US Bank Directory
Banks in Storm Lake, IA
4 FDIC-insured banks operate 8 offices in Storm Lake, Iowa, and 1 credit union has 1 office.
Source: FDIC BankFind, data as of September 5, 2026; NCUA call report as of March 31, 2026.
Bank branch map: Storm Lake
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 9 locations in Storm Lake, according to the FDIC and the NCUA. 9 of them have coordinates on record and are on the map. 1 publish opening hours.
Branches: FDIC, NCUA. Streets: loading.
9 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 Storm Lake
Sorted by number of local branches. Each branch shows where its hours and phone number come from.
Short answer: Central Bank has the most locations in Storm Lake, with 3. It is followed by Security Trust & Savings Bank (2), The Citizens First National Bank of Storm Lake (2). 1 bank has 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.
Central Bank Bank · 3
Central Bank has 3 branches in Storm Lake, 17 across Iowa and 23 nationwide. FDIC records list its main office in Storm Lake, IA and show it operating since 1879. With $2.29 billion in total assets on June 30, 2026, it ranks No. 544 of 4,232 U.S. banks by total assets. In FDIC branch records, its longest-running Storm Lake location is its main office at 600 Lake Ave, dating to 1879; the newest, at 811 Lake Ave, to 2022. It does not publish hours in the sources this page uses; check its site before you go.
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Main Office main office600 Lake Ave, 50588
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Drive-In Branch1237 Lake Ave, 50588
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Storm Lake Branch 2 - 811 N Lake Ave811 Lake Ave, 50588
Security Trust & Savings Bank Bank · 2
Security Trust & Savings Bank has 2 branches in Storm Lake, 3 across Iowa and 3 nationwide. FDIC records list its main office in Storm Lake, IA and show it operating since 1908. With $266.4 million in total assets on June 30, 2026, it ranks No. 2,645 of 4,232 U.S. banks by total assets. In FDIC branch records, its longest-running Storm Lake location is its main office at 601 Lake Street, dating to 1908; the newest, at 300 West 5th Street, to 1961. It does not publish hours in the sources this page uses; check its site before you go.
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Main Office main office601 Lake Street, 50588
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Auto Branch300 West 5th Street, 50588
The Citizens First National Bank of Storm Lake Bank · 2
The Citizens First National Bank of Storm Lake has 2 branches in Storm Lake, 3 across Iowa and 3 nationwide. FDIC records list its main office in Storm Lake, IA and show it operating since 1902. With $256.5 million in total assets on June 30, 2026, it ranks No. 2,691 of 4,232 U.S. banks by total assets. In FDIC branch records, its longest-running Storm Lake location is its main office at East 5th And Lake Avenue, dating to 1902; the newest, at 1821 Lake Ave, to 2004. It does not publish hours in the sources this page uses; check its site before you go.
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Main Office main officeEast 5th And Lake Avenue, 50588
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North Branch1821 Lake Ave, 50588
Citizens Community Credit Union Credit union · 1
Citizens Community Credit Union has 1 office in Storm Lake, 8 across Iowa. It is based in Fort Dodge, IA and $253.6 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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Citizens Community Credit Union609 Flindt Dr, 50588
All hours
Mon to Thu 9 am to 5 pm; Fri 9 am to 6 pm; Sat to Sun not published
Hours: NCUA, March 31, 2026
United Bank of Iowa Bank · 1
United Bank of Iowa has 1 branch in Storm Lake, 38 across Iowa and 38 nationwide. FDIC records list its main office in Ida Grove, IA and show it operating since 1932. With $2.50 billion in total assets on June 30, 2026, it ranks No. 503 of 4,232 U.S. banks by total assets. The Storm Lake Branch at 1270 Lake Ave 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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Storm Lake Branch1270 Lake Ave, 50588
Join a credit union in Storm Lake
1 credit union has 1 office here: Citizens Community 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 Storm Lake page has every office in the state's directory.
Banking in Storm Lake: the local picture
Short answer: 4 banks run 8 branches in Storm Lake 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 4 banks, 3 have their main office in Storm Lake, 1 elsewhere in Iowa, according to the FDIC.
The bank with the longest record here is Central Bank, operating since 1879 according to the FDIC. In FDIC branch records, the longest-running branch is Central Bank's office at 600 Lake Ave, dating to 1879; the newest is Central Bank's at 811 Lake Ave, from 2022.
The only credit union with an office here is Citizens Community Credit Union.
Of the 1 location with published hours. None open on Saturday. 8 locations have no published hours in these sources.
Saturday hours in Storm Lake
Short answer: None of the 1 Storm Lake location 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 9 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 Storm Lake, and where the nearest one is if they do not.
Short answer: No branches in Storm Lake: Chase (nearest in Ames, 92 mi), Wells Fargo (nearest in Denison, 44 mi), Bank of America (nearest in Urbandale, 102 mi), PNC Bank, U.S. Bank (nearest in Spencer, 34 mi), Truist, Fifth Third Bank, Huntington, Regions Bank (nearest in Urbandale, 103 mi), TD Bank, BMO (nearest in Carroll, 44 mi).
| Bank | In Storm Lake | Nearest branch if none here |
|---|---|---|
| Chase | None | Ames, 92 miles away |
| Wells Fargo | None | Denison, 44 miles away |
| Bank of America | None | Urbandale, 102 miles away |
| PNC Bank | None | none in Iowa |
| U.S. Bank | None | Spencer, 34 miles away |
| Truist | None | none in Iowa |
| Fifth Third Bank | None | none in Iowa |
| Huntington | None | none in Iowa |
| Regions Bank | None | Urbandale, 103 miles away |
| TD Bank | None | none in Iowa |
| BMO | None | Carroll, 44 miles away |
Branch counts from FDIC BankFind as of September 5, 2026. Distances are straight-line miles from the center of Storm Lake to the nearest branch in Iowa.
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 Storm Lake residents like anyone else.
Banks near Storm Lake
Nearby cities with at least two banks, by straight-line distance. Counts from FDIC BankFind.
Short answer: The closest towns with more choice are Aurelia (13 miles) and Sac City (19 miles). Sac City, 19 miles away, has the most banks nearby: 3.
| City | Distance | Banks | Branches |
|---|---|---|---|
| Banks in Aurelia, IA | 13 mi | 2 | 2 |
| Banks in Sac City, IA | 19 mi | 3 | 3 |
| Banks in Cherokee, IA | 19 mi | 3 | 3 |
| Banks in Holstein, IA | 21 mi | 3 | 3 |
| Banks in Laurens, IA | 22 mi | 2 | 2 |
| Banks in Odebolt, IA | 23 mi | 3 | 3 |
| Banks in Lake View, IA | 25 mi | 3 | 3 |
| Banks in Ida Grove, IA | 25 mi | 2 | 3 |
Bank branch openings and closings in Storm Lake
FDIC branch records, between September 5, 2025 and September 5, 2026.
Short answer: FDIC branch records show no bank branch openings in Storm Lake 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 Storm Lake
Short answer: 3 institutions have their main office in Storm Lake: Central Bank, Security Trust & Savings Bank and The Citizens First National Bank of Storm Lake.
| Institution | Type | Total assets, June 30, 2026 | Offices here |
|---|---|---|---|
| Central Bank | Bank | $2.29 billion | 3 |
| Security Trust & Savings Bank | Bank | $266.4 million | 2 |
| The Citizens First National Bank of Storm Lake | Bank | $256.5 million | 2 |
Banks: FDIC BankFind (community-bank flag and assets). Credit unions: NCUA call report.
Largest banks in Storm Lake by total assets
Ranked by each bank's total assets on its FDIC balance sheet, which covers the whole bank, not only its Storm Lake offices.
Short answer: United Bank of Iowa is the largest bank with offices in Storm Lake, with $2.50 billion in total assets on June 30, 2026, No. 503 among U.S. banks by total assets. Central Bank is second with $2.29 billion. 3 of the 4 banks are headquartered here. Local deposit shares will follow once the FDIC Summary of Deposits is imported.
| Bank | Total assets | Rank | Offices here | Main office |
|---|---|---|---|---|
| United Bank of Iowa | $2.50 billion | No. 503 | 1 | Ida Grove, IA |
| Central Bank | $2.29 billion | No. 544 | 3 | Storm Lake, IA |
| Security Trust & Savings Bank | $266.4 million | No. 2,645 | 2 | Storm Lake, IA |
| The Citizens First National Bank of Storm Lake | $256.5 million | No. 2,691 | 2 | Storm Lake, IA |
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 Storm Lake: FAQ
How many banks are in Storm Lake, IA?
Storm Lake has 4 banks with 8 branches and 1 credit union with 1 office, according to FDIC data as of September 5, 2026 and NCUA data as of March 31, 2026.
Which bank has the most branches in Storm Lake?
Central Bank, with 3. Security Trust & Savings Bank has 2 and The Citizens First National Bank of Storm Lake has 2.
Is there a Central Bank in Storm Lake, IA?
Yes. FDIC data lists 3 Central Bank branches in Storm Lake as of September 5, 2026, the main office at 600 Lake Ave. Its branches are listed under Central Bank above, with the address and directions for each.
Is there a Security Trust & Savings Bank in Storm Lake, IA?
Yes. FDIC data lists 2 Security Trust & Savings Bank branches in Storm Lake as of September 5, 2026, the main office at 601 Lake Street. Its branches are listed under Security Trust & Savings Bank above, with the address and directions for each.
Is there a Chase in Storm Lake, IA?
No. FDIC data lists no Chase branch in Storm Lake as of September 5, 2026. The nearest is in Ames, about 92 miles away in a straight line.
Which banks in Storm Lake are open on Saturday?
None of the 1 location with published hours lists Saturday hours. 8 locations do not publish hours in our sources; call ahead.
Which banks are headquartered in Storm Lake?
Central Bank, Security Trust & Savings Bank and The Citizens First National Bank of Storm Lake have their main office in Storm Lake, according to the FDIC.
What is the oldest bank in Storm Lake?
Central Bank has the longest record among banks with a branch here: the FDIC shows it operating since 1879.
Which credit unions can I join in Storm Lake?
Citizens Community Credit Union has an office in Storm Lake. Check each credit union's membership rules before you apply.
Did any bank branches open or close in Storm Lake 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 Storm Lake?
Nearby cities with more banks include Aurelia, Sac City, Cherokee. Aurelia is 13 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 1 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 |
| 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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