US Bank Directory
Banks in Yankton, SD
7 FDIC-insured banks operate 9 offices in Yankton, South Dakota, and 3 credit unions have 3 offices.
Source: FDIC BankFind, data as of September 5, 2026; NCUA call report as of March 31, 2026; hours checked October 10, 2026.
Bank branch map: Yankton
Banks sit at the coordinates in their FDIC record; credit union offices at their NCUA address, located with the U.S. Census Bureau Geocoder. Point at a marker for today's hours, tap it for the address, directions and the bank's site.
Short answer: 10 banks and credit unions operate 12 locations in Yankton, according to the FDIC and the NCUA. 12 of them have coordinates on record and are on the map. 4 publish opening hours.
Branches: FDIC, NCUA. Streets: loading.
12 locations on the map
Tap a cluster to zoom in
Positions are the regulators' own coordinates, or the Census Geocoder's point for the address, and can sit a few hundred feet from the door. Streets, buildings and parks come from OpenStreetMap through OpenFreeMap, with every street named as you zoom in; if that map cannot load, a simpler map drawn from the Census Bureau's TIGER/Line files takes its place. ATMs will follow with the Overture Maps import.
All banks and credit unions in Yankton
Sorted by number of local branches. Each branch shows where its hours and phone number come from.
Short answer: First Dakota National Bank and CorTrust Bank have the most locations in Yankton, with 2 each. 5 banks have a single office in the city. Open any bank to see each address, today's hours where the bank publishes them and the phone number.
CorTrust Bank Bank · 2
CorTrust Bank has 2 branches in Yankton, 22 across South Dakota and 37 nationwide. FDIC records list its main office in Mitchell, SD and show it operating since 1930. With $1.56 billion in total assets on June 30, 2026, it ranks No. 719 of 4,232 U.S. banks by total assets. In FDIC branch records, its longest-running Yankton location is the Yankton Branch at 110 Cedar St, dating to 1979; the newest, at 2405 Broadway Ave, to 1998. It does not publish hours in the sources this page uses; check its site before you go.
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Yankton Branch110 Cedar St, 57078
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Yankton Branch2405 Broadway Ave, 57078
First Dakota National Bank Bank · 2
First Dakota National Bank has 2 branches in Yankton, 17 across South Dakota and 17 nationwide. FDIC records list its main office in Yankton, SD and show it operating since 1872. With $3.39 billion in total assets on June 30, 2026, it ranks No. 381 of 4,232 U.S. banks by total assets. In FDIC branch records, its longest-running Yankton location is its main office at 225 Cedar St, dating to 1872; the newest, at 2105 Broadway Ave, to 1970. It does not publish hours in the sources this page uses; check its site before you go.
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Main Office main office225 Cedar St, 57078
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First Dakota North Branch2105 Broadway Ave, 57078
Elkhorn Valley Bank & Trust Bank · 1
Elkhorn Valley Bank & Trust has 1 branch in Yankton, 1 across South Dakota and 8 nationwide. FDIC records list its main office in Norfolk, NE and show it operating since 1943. With $1.49 billion in total assets on June 30, 2026, it ranks No. 745 of 4,232 U.S. banks by total assets. The Yankton Branch at 114 Douglas Ave dates to 2021 in FDIC branch records. It does not publish hours in the sources this page uses; check its site before you go.
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Yankton Branch114 Douglas Ave, 57078
Explorers Credit Union Credit union · 1
Explorers Credit Union has 1 office in Yankton, 4 across South Dakota. It is based in Yankton, SD and $112.6 million in assets on March 31, 2026, according to its NCUA call report. Its published hours do not list Saturday.
Who can join: see the credit union's site.
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Main Office main office609 W 21St St, 57078
All hours
Mon to Thu 8:30 am to 5 pm; Fri 8:30 am to 5:30 pm; Sat to Sun not published
Hours: NCUA, March 31, 2026
Farmers and Merchants State Bank, Bloomfield, Nebraska Bank · 1
Farmers and Merchants State Bank, Bloomfield, Nebraska has 1 branch in Yankton, 1 across South Dakota and 6 nationwide. FDIC records list its main office in Bloomfield, NE and show it operating since 1895. With $232.9 million in total assets on June 30, 2026, it ranks No. 2,809 of 4,232 U.S. banks by total assets. The Yankton Branch at 89821 Hwy 81 S dates to 2007 in FDIC branch records. It does not publish hours in the sources this page uses; check its site before you go.
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Yankton Branch89821 Hwy 81 S, 57078
First Interstate Bank Bank · 1
First Interstate Bank has 1 branch in Yankton, 46 across South Dakota and 274 nationwide. FDIC records list its main office in Billings, MT and show it operating since 1916. With $25.79 billion in total assets on June 30, 2026, it ranks No. 83 of 4,232 U.S. banks by total assets. The Yankton Branch at 2408 Broadway Ave dates to 2006 in FDIC branch records. Its published hours do not list Saturday.
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Yankton Branch2408 Broadway Ave, 57078
All hours
Mon closed; Tue to Fri 9 am to 5 pm; Sat to Sun closed
Hours: First Interstate Bank branch locator (All The Places), checked Oct 10, 2026
FNBO Bank · 1
FNBO has 1 branch in Yankton, 3 across South Dakota and 139 nationwide. FDIC records list its main office in Omaha, NE and show it operating since 1857. With $34.20 billion in total assets on June 30, 2026, it ranks No. 64 of 4,232 U.S. banks by total assets. The First National Bank Of South Dakota Branch at 332 Broadway Ave dates to 1962 in FDIC branch records. It does not publish hours in the sources this page uses; check its site before you go.
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First National Bank Of South Dakota Branch332 Broadway Ave, 57078
San Diego Firefighters Credit Union Credit union · 1
San Diego Firefighters Credit Union has 1 office in Yankton, 1 across South Dakota. It is based in San Diego, CA and $151.7 million in assets on March 31, 2026, according to its NCUA call report. Its published hours do not list Saturday.
Who can join: see the credit union's site.
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Cu*South/Site Four608 Goeden Dr, 57078
All hours
Mon to Fri 9 am to 5 pm; Sat to Sun not published
Hours: NCUA, March 31, 2026
Sisseton-wahpeton Credit Union Credit union · 1
Sisseton-wahpeton Credit Union has 1 office in Yankton, 3 across South Dakota. It is based in Agency Village, SD and $5.1 million in assets on March 31, 2026, according to its NCUA call report. It does not publish hours in the sources this page uses; check its site before you go.
Who can join: see the credit union's site.
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Vital Records609 W 21St St, 57078
Wells Fargo Bank · 1
Wells Fargo has 1 branch in Yankton, 30 across South Dakota and 4,161 nationwide. FDIC records list its main office in Sioux Falls, SD and show it operating since 1870. With $1.91 trillion in total assets on June 30, 2026, it ranks No. 4 of 4,232 U.S. banks by total assets. The Yankton North Branch at 3100 Broadway Ave dates to 1990 in FDIC branch records. Its published hours do not list Saturday.
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Yankton North Branch3100 Broadway Ave, 57078
All hours
Mon to Fri 9 am to 5 pm; Sat to Sun not published
Hours: Wells Fargo branch locator (All The Places), checked Oct 10, 2026
Join a credit union in Yankton
3 credit unions have 3 offices here: San Diego Firefighters Credit Union, Explorers Credit Union and Sisseton-wahpeton Credit Union. Each office is listed above with the phone and the hours it filed with the NCUA (call report as of March 31, 2026). Who can join each one is on its own site; the credit unions in Yankton page has every office in the state's directory.
Banking in Yankton: the local picture
Short answer: 7 banks run 9 branches in Yankton according to the FDIC. A population estimate for this place is not available from the Census Bureau, so branches per resident are not shown.
Of the 7 banks, 1 has its main office in Yankton, 2 elsewhere in South Dakota and 4 out of state, according to the FDIC.
The bank with the longest record here is FNBO, operating since 1857 according to the FDIC. In FDIC branch records, the longest-running branch is First Dakota National Bank's office at 225 Cedar St, dating to 1872; the newest is Elkhorn Valley Bank & Trust's at 114 Douglas Ave, from 2021.
3 credit unions have 3 offices in Yankton, according to the NCUA. Who can join each one is on the credit unions page.
Of the 4 locations with published hours. None open on Saturday. 8 locations have no published hours in these sources.
Saturday hours in Yankton
Short answer: None of the 4 Yankton locations with published hours lists Saturday hours. 8 locations do not publish hours in these sources; call ahead.
Credit union hours are the text each credit union filed with the NCUA, call report as of March 31, 2026; a day the filing does not mention is shown as not published, never as closed. Bank branches show hours only where the bank publishes them in a source this page uses; 8 of the 12 locations here have no published hours yet. The source and date sit under each office. Banks and credit unions often close on Federal Reserve holidays; call ahead.
Chase, Bank of America and other national banks
Which big national banks have branches in Yankton, and where the nearest one is if they do not.
Short answer: In Yankton: Wells Fargo (1). No branches in Yankton: Chase (nearest in Sioux Falls, 53 mi), Bank of America, PNC Bank, U.S. Bank (nearest in Sioux Falls, 52 mi), Truist, Fifth Third Bank, Huntington, Regions Bank, TD Bank, BMO (nearest in Vermillion, 25 mi).
| Bank | In Yankton | Nearest branch if none here |
|---|---|---|
| Wells Fargo | 1 branch | here |
| Chase | None | Sioux Falls, 53 miles away |
| Bank of America | None | none in South Dakota |
| PNC Bank | None | none in South Dakota |
| U.S. Bank | None | Sioux Falls, 52 miles away |
| Truist | None | none in South Dakota |
| Fifth Third Bank | None | none in South Dakota |
| Huntington | None | none in South Dakota |
| Regions Bank | None | none in South Dakota |
| TD Bank | None | none in South Dakota |
| BMO | None | Vermillion, 25 miles away |
Branch counts from FDIC BankFind as of September 5, 2026. Distances are straight-line miles from the center of Yankton to the nearest branch in South Dakota.
What your savings could earn
National benchmarks and the best published offers, from the Banrox Bank Rates tracker. Enter your own balance and rate to compare.
Short answer: At the national average savings rate of 0.38%, $10,000 kept in savings for a year earns about $38. The best published savings rate in the tracker, 3.75% at CIT Bank, earns about $375. The national average 12-month CD pays 1.71%.
| Offer | Bank | APY | Term | Minimum |
|---|---|---|---|---|
| Savings | CIT Bank | 3.75% | none | $5,000 |
| Savings | Barclays | 3.50% | none | $0 |
| Savings | Marcus by Goldman Sachs | 3.40% | none | $0 |
| CD | Synchrony Bank | 4.35% | 60 Months | $0 |
| CD | Marcus by Goldman Sachs | 4.35% | 24 Months | $500 |
| CD | American Express National Bank | 4.25% | 10 Months | $0 |
Rates are the banks' published APYs as tracked on the Banrox Bank Rates page, with the date next to each benchmark; they are not offers from Banrox and can change daily. Interest is before tax. The best offers are mostly online banks and are open to Yankton residents like anyone else.
Banks near Yankton
Nearby cities with at least two banks, by straight-line distance. Counts from FDIC BankFind.
Short answer: The closest towns with more choice are Viborg (25 miles) and Vermillion (25 miles). Vermillion, 25 miles away, has the most banks nearby: 5.
| City | Distance | Banks | Branches |
|---|---|---|---|
| Banks in Viborg, SD | 25 mi | 2 | 2 |
| Banks in Vermillion, SD | 25 mi | 5 | 5 |
| Banks in Freeman, SD | 32 mi | 3 | 3 |
| Banks in Beresford, SD | 34 mi | 2 | 2 |
| Banks in Parker, SD | 37 mi | 2 | 2 |
| Banks in Elk Point, SD | 39 mi | 2 | 3 |
| Banks in Lennox, SD | 41 mi | 3 | 3 |
| Banks in Parkston, SD | 46 mi | 2 | 2 |
Bank branch openings and closings in Yankton
FDIC branch records, between September 5, 2025 and September 5, 2026.
Short answer: FDIC branch records show no bank branch openings in Yankton between September 5, 2025 and September 5, 2026. Closings and relocations are not tracked by the sources this page uses yet.
Banks and credit unions based in Yankton
Short answer: 2 institutions have their main office in Yankton: First Dakota National Bank and Explorers Credit Union.
| Institution | Type | Total assets, June 30, 2026 | Offices here |
|---|---|---|---|
| First Dakota National Bank | Bank | $3.39 billion | 2 |
| Explorers Credit Union | Credit union | $112.6 million | 1 |
Banks: FDIC BankFind (community-bank flag and assets). Credit unions: NCUA call report.
Largest banks in Yankton by total assets
Ranked by each bank's total assets on its FDIC balance sheet, which covers the whole bank, not only its Yankton offices.
Short answer: Wells Fargo is the largest bank with offices in Yankton, with $1.91 trillion in total assets on June 30, 2026, No. 4 among U.S. banks by total assets. FNBO is second with $34.20 billion. 1 of the 7 bank is headquartered here. Local deposit shares will follow once the FDIC Summary of Deposits is imported.
| Bank | Total assets | Rank | Offices here | Main office |
|---|---|---|---|---|
| Wells Fargo | $1.91 trillion | No. 4 | 1 | Sioux Falls, SD |
| FNBO | $34.20 billion | No. 64 | 1 | Omaha, NE |
| First Interstate Bank | $25.79 billion | No. 83 | 1 | Billings, MT |
| First Dakota National Bank | $3.39 billion | No. 381 | 2 | Yankton, SD |
| CorTrust Bank | $1.56 billion | No. 719 | 2 | Mitchell, SD |
| Elkhorn Valley Bank & Trust | $1.49 billion | No. 745 | 1 | Norfolk, NE |
| Farmers and Merchants State Bank, Bloomfield, Nebraska | $232.9 million | No. 2,809 | 1 | Bloomfield, NE |
Total assets and ranks from FDIC BankFind as of June 30, 2026. Rank is among active banks that report total assets to the FDIC.
Banks in Yankton: FAQ
How many banks are in Yankton, SD?
Yankton has 7 banks with 9 branches and 3 credit unions with 3 offices, according to FDIC data as of September 5, 2026 and NCUA data as of March 31, 2026.
Which bank has the most branches in Yankton?
First Dakota National Bank, with 2. CorTrust Bank has 2 and Wells Fargo has 1.
Is there a First Dakota National Bank in Yankton, SD?
Yes. FDIC data lists 2 First Dakota National Bank branches in Yankton as of September 5, 2026, the main office at 225 Cedar St. Its branches are listed under First Dakota National Bank above, with the address and directions for each.
Is there a CorTrust Bank in Yankton, SD?
Yes. FDIC data lists 2 CorTrust Bank branches in Yankton as of September 5, 2026. Its branches are listed under CorTrust Bank above, with the address and directions for each.
Is there a Wells Fargo in Yankton, SD?
Yes. FDIC data lists 1 Wells Fargo branch in Yankton as of September 5, 2026. The address and directions are under Wells Fargo above.
Is there a Chase in Yankton, SD?
No. FDIC data lists no Chase branch in Yankton as of September 5, 2026. The nearest is in Sioux Falls, about 53 miles away in a straight line.
Which banks in Yankton are open on Saturday?
None of the 4 locations with published hours lists Saturday hours. 8 locations do not publish hours in our sources; call ahead.
Which banks are headquartered in Yankton?
First Dakota National Bank and Explorers Credit Union have their main office in Yankton, according to the FDIC and the NCUA.
What is the oldest bank in Yankton?
FNBO has the longest record among banks with a branch here: the FDIC shows it operating since 1857.
Which credit unions can I join in Yankton?
San Diego Firefighters Credit Union, Explorers Credit Union and Sisseton-wahpeton Credit Union have offices in Yankton. Check each credit union's membership rules before you apply.
Did any bank branches open or close in Yankton in the past year?
FDIC branch records show no branch openings between September 5, 2025 and September 5, 2026. Closings and relocations are not tracked by the sources this page uses yet.
Where can I find more banks near Yankton?
Nearby cities with more banks include Viborg, Vermillion, Freeman. Viborg is 25 miles away with 2 banks.
How we build this page
Every figure above comes from one of these sources. Nothing is typed by hand, nothing is estimated.
| Data | Source | License | Updated | Data as of |
|---|---|---|---|---|
| FDIC-insured banks: branches, main offices, total assets, dates established | FDIC BankFind Suite API | Public data (U.S. government) | Monthly import | Sep 5, 2026 |
| Credit union offices, phones and hours as filed with the NCUA, total assets | NCUA call report data | Public data (U.S. government) | Quarterly import | Mar 31, 2026 |
| Map coordinates of 3 credit union offices whose NCUA record has none, from the office address | U.S. Census Bureau Geocoder | Public data (U.S. government) | With each NCUA import | Oct 19, 2026 |
| Bank branch hours, phones and branch pages (2 of 9 branches: First Interstate Bank, Wells Fargo) | The banks' own branch locators, collected by All The Places | CC0 (All The Places data); each bank's locator is the primary source | Weekly spider run, monthly refresh here | Oct 10, 2026 |
| Savings and CD rates, national averages | Banrox Bank Rates | Banrox, from the banks' own rate pages and FDIC national rates | Weekly | see each rate |
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