US Bank Directory
Banks in Custer, SD
2 FDIC-insured banks operate 2 offices in Custer, 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: Custer
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: 5 banks and credit unions operate 5 locations in Custer, according to the FDIC and the NCUA. 5 of them have coordinates on record and are on the map. 4 publish opening hours.
Branches: FDIC, NCUA. Streets: loading.
5 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 Custer
Sorted by number of local branches. Each branch shows where its hours and phone number come from.
Short answer: First Interstate Bank and Dacotah Bank have the most locations in Custer, with 1 each. 2 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.
Black Hills Credit Union Credit union · 1
Black Hills Credit Union has 1 office in Custer, 19 across South Dakota. It is based in Rapid City, SD and $2.37 billion in assets on March 31, 2026, according to its NCUA call report. It opens on Saturday.
Who can join: see the credit union's site.
-
Custer Member Service Center1135 Mount Rushmore Rd, 57730
All hours
Mon to Fri 9 am to 6 pm; Sat 9 am to 12 pm; Sun not published
Hours: NCUA, March 31, 2026
Dacotah Bank Bank · 1
Dacotah Bank has 1 branch in Custer, 21 across South Dakota and 32 nationwide. FDIC records list its main office in Aberdeen, SD and show it operating since 1955. With $4.92 billion in total assets on June 30, 2026, it ranks No. 292 of 4,232 U.S. banks by total assets. The Dacotah Bank Custer Branch at 35 S 6th St dates to 2008 in FDIC branch records. It does not publish hours in the sources this page uses; check its site before you go.
-
Dacotah Bank Custer Branch35 S 6th St, 57730
First Interstate Bank Bank · 1
First Interstate Bank has 1 branch in Custer, 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 Custer Branch at 648 Mount Rushmore Rd dates to 1906 in FDIC branch records. Its published hours do not list Saturday.
-
Custer Branch648 Mount Rushmore Rd, 57730
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
Highmark Credit Union Credit union · 1
Highmark Credit Union has 1 office in Custer, 4 across South Dakota. It is based in Rapid City, SD and $260.1 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.
-
Custer Branch302 Mount Rushmore Rd, 57730
All hours
Mon to Fri 9 am to 4 pm; Sat to Sun not published
Hours: NCUA, March 31, 2026
Sentinel Credit Union Credit union · 1
Sentinel Credit Union has 1 office in Custer, 8 across South Dakota. It is based in Box Elder, SD and $197.0 million in assets on March 31, 2026, according to its NCUA call report. It opens on Saturday.
Who can join: see the credit union's site.
-
Custer Office18 Mount Rushmore Rd, 57730
All hours
Mon to Thu 9 am to 5 pm; Fri 8 am to 5:30 pm; Sat 9 am to 12 pm; Sun not published
Hours: NCUA, March 31, 2026
Join a credit union in Custer
3 credit unions have 3 offices here: Black Hills Credit Union, Highmark Credit Union and Sentinel 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 Custer page has every office in the state's directory.
Banking in Custer: the local picture
Short answer: 2 banks run 2 branches in Custer 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 2 banks, 0 have their main office in Custer, 1 elsewhere in South Dakota and 1 out of state, according to the FDIC.
The bank with the longest record here is First Interstate Bank, operating since 1916 according to the FDIC. In FDIC branch records, the longest-running branch is First Interstate Bank's office at 648 Mount Rushmore Rd, dating to 1906; the newest is Dacotah Bank's at 35 S 6th St, from 2008.
3 credit unions have 3 offices in Custer, according to the NCUA. Who can join each one is on the credit unions page.
Of the 4 locations with published hours. 2 open on Saturday. 1 location has no published hours in these sources.
Credit unions open on Saturday in Custer
Short answer: 2 of the 4 Custer locations with published hours open on Saturday, run by 2 institutions.
- Black Hills Credit Union: 1 of 1 office (1135 Mount Rushmore Rd: Saturday 9 am to 12 pm)
- Sentinel Credit Union: 1 of 1 office (18 Mount Rushmore Rd: Saturday 9 am to 12 pm)
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; 1 of the 5 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 Custer, and where the nearest one is if they do not.
Short answer: No branches in Custer: Chase (nearest in Sioux Falls, 341 mi), Wells Fargo (nearest in Hot Springs, 24 mi), Bank of America, PNC Bank, U.S. Bank (nearest in Rapid City, 28 mi), Truist, Fifth Third Bank, Huntington, Regions Bank, TD Bank, BMO (nearest in Lemmon, 166 mi).
| Bank | In Custer | Nearest branch if none here |
|---|---|---|
| Chase | None | Sioux Falls, 341 miles away |
| Wells Fargo | None | Hot Springs, 24 miles away |
| Bank of America | None | none in South Dakota |
| PNC Bank | None | none in South Dakota |
| U.S. Bank | None | Rapid City, 28 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 | Lemmon, 166 miles away |
Branch counts from FDIC BankFind as of September 5, 2026. Distances are straight-line miles from the center of Custer 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 Custer residents like anyone else.
Banks near Custer
Nearby cities with at least two banks, by straight-line distance. Counts from FDIC BankFind.
Short answer: The closest towns with more choice are Hot Springs (24 miles) and Rapid City (28 miles). Rapid City, 28 miles away, has the most banks nearby: 10.
| City | Distance | Banks | Branches |
|---|---|---|---|
| Banks in Hot Springs, SD | 24 mi | 2 | 2 |
| Banks in Rapid City, SD | 28 mi | 10 | 20 |
| Banks in Lead, SD | 41 mi | 2 | 2 |
| Banks in Sturgis, SD | 45 mi | 4 | 4 |
| Banks in Spearfish, SD | 52 mi | 9 | 11 |
| Banks in Belle Fourche, SD | 64 mi | 2 | 2 |
| Banks in Murdo, SD | 144 mi | 2 | 2 |
| Banks in Fort Pierre, SD | 165 mi | 2 | 2 |
Bank branch openings and closings in Custer
FDIC branch records, between September 5, 2025 and September 5, 2026.
Short answer: FDIC branch records show no bank branch openings in Custer between September 5, 2025 and September 5, 2026. Closings and relocations are not tracked by the sources this page uses yet.
Largest banks in Custer by total assets
Ranked by each bank's total assets on its FDIC balance sheet, which covers the whole bank, not only its Custer offices.
Short answer: First Interstate Bank is the largest bank with offices in Custer, with $25.79 billion in total assets on June 30, 2026, No. 83 among U.S. banks by total assets. Dacotah Bank is second with $4.92 billion. Local deposit shares will follow once the FDIC Summary of Deposits is imported.
| Bank | Total assets | Rank | Offices here | Main office |
|---|---|---|---|---|
| First Interstate Bank | $25.79 billion | No. 83 | 1 | Billings, MT |
| Dacotah Bank | $4.92 billion | No. 292 | 1 | Aberdeen, SD |
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 Custer: FAQ
How many banks are in Custer, SD?
Custer has 2 banks with 2 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 Custer?
First Interstate Bank, with 1. Dacotah Bank has 1.
Is there a First Interstate Bank in Custer, SD?
Yes. FDIC data lists 1 First Interstate Bank branch in Custer as of September 5, 2026. The address and directions are under First Interstate Bank above.
Is there a Dacotah Bank in Custer, SD?
Yes. FDIC data lists 1 Dacotah Bank branch in Custer as of September 5, 2026. The address and directions are under Dacotah Bank above.
Is there a Chase in Custer, SD?
No. FDIC data lists no Chase branch in Custer as of September 5, 2026. The nearest is in Sioux Falls, about 341 miles away in a straight line.
Which banks in Custer are open on Saturday?
Black Hills Credit Union and Sentinel Credit Union publish Saturday hours for one or more Custer locations. The Saturday section above lists each one with its hours. 1 of the 5 locations here do not publish hours in the sources this page uses; call ahead.
What is the oldest bank in Custer?
First Interstate Bank has the longest record among banks with a branch here: the FDIC shows it operating since 1916.
Which credit unions can I join in Custer?
Black Hills Credit Union, Highmark Credit Union and Sentinel Credit Union have offices in Custer. Check each credit union's membership rules before you apply.
Did any bank branches open or close in Custer 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 Custer?
Nearby cities with more banks include Hot Springs, Rapid City, Lead. Hot Springs is 24 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 (1 of 2 branches: First Interstate Bank) | 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 |
See your odds before you apply
Banrox shows how likely a card or loan is for your profile, from your own data, without a hard pull. Platform live; card in early access; no card issued.
Check your odds