Banks in Story City, IA

Bank branch map: Story City

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: 4 banks and credit unions operate 5 locations in Story City, according to the FDIC. 5 of them have coordinates on record and are on the map. 1 publish opening hours.

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 in Story City

Sorted by number of local branches. Each branch shows where its hours and phone number come from.

Short answer: GNB Bank has the most locations in Story City, with 2. The other 3 each 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.

GNB Bank 2 branches · main office Grundy Center, IA Bank · 2

GNB Bank has 2 branches in Story City, 10 across Iowa and 10 nationwide. FDIC records list its main office in Grundy Center, IA and show it operating since 1934. With $621.3 million in total assets on June 30, 2026, it ranks No. 1,527 of 4,232 U.S. banks by total assets. In FDIC branch records, its longest-running Story City location is the Story City Office at 629 Broad St, dating to 2004; the newest, at 725 Timberland Dr, to 2008. It does not publish hours in the sources this page uses; check its site before you go.

• Story City Office

  629 Broad St, 50248

  Hours: see the bank's site
  DirectionsWebsite
• Timberland Village Branch

  725 Timberland Dr, 50248

  Hours: see the bank's site
  DirectionsWebsite

GNB Bank: profile, branches and contacts

First Interstate Bank 1 branch · main office Billings, MT Bank · 1

First Interstate Bank has 1 branch in Story City, 45 across Iowa 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 Story City Branch at 423 Broad St dates to 1985 in FDIC branch records. Its published hours do not list Saturday.

• Story City Branch

  423 Broad St, 50248

  (515) 733-4322Today 9 am to 5 pm

  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

  DirectionsBranch page

First Interstate Bank: profile, branches and contacts

Reliance State Bank 1 branch · main office Story City, IA Bank · 1

Reliance State Bank has 1 branch in Story City, 2 across Iowa and 2 nationwide. FDIC records list its main office in Story City, IA and show it operating since 1928. With $276.8 million in total assets on June 30, 2026, it ranks No. 2,597 of 4,232 U.S. banks by total assets. Its main office at 606 Broad St dates to 1928 in FDIC branch records. It does not publish hours in the sources this page uses; check its site before you go.

• Main Office main office

  606 Broad St, 50248

  Hours: see the bank's site
  DirectionsWebsite

Reliance State Bank: profile, branches and contacts

Security State Bank 1 branch · main office Radcliffe, IA Bank · 1

Security State Bank has 1 branch in Story City, 4 across Iowa and 4 nationwide. FDIC records list its main office in Radcliffe, IA and show it operating since 1914. With $119.0 million in total assets on June 30, 2026, it ranks No. 3,556 of 4,232 U.S. banks by total assets. The Security State Bank - Story City Branch at 339 Factory Outlet Dr dates to 2004 in FDIC branch records. It does not publish hours in the sources this page uses; check its site before you go.

• Security State Bank - Story City Branch

  339 Factory Outlet Dr, 50248

  Hours: see the bank's site
  DirectionsWebsite

Security State Bank: profile, branches and contacts

Banking in Story City: the local picture

Short answer: 4 banks run 5 branches in Story City 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, 1 has its main office in Story City, 2 elsewhere in Iowa and 1 out of state, according to the FDIC.

The bank with the longest record here is Security State Bank, operating since 1914 according to the FDIC. In FDIC branch records, the longest-running branch is Reliance State Bank's office at 606 Broad St, dating to 1928; the newest is GNB Bank's at 725 Timberland Dr, from 2008.

Of the 1 location with published hours. None open on Saturday. 4 locations have no published hours in these sources.

Saturday hours in Story City

Short answer: None of the 1 Story City location with published hours lists Saturday hours. 4 locations do not publish hours in these sources; call ahead.

Bank branches show hours only where the bank publishes them in a source this page uses; 4 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 Story City, and where the nearest one is if they do not.

Short answer: No branches in Story City: Chase (nearest in Ames, 12 mi), Wells Fargo (nearest in Ames, 11 mi), Bank of America (nearest in Urbandale, 38 mi), PNC Bank, U.S. Bank (nearest in Ames, 11 mi), Truist, Fifth Third Bank, Huntington, Regions Bank (nearest in Urbandale, 40 mi), TD Bank, BMO (nearest in Ames, 11 mi).

Branch counts from FDIC BankFind as of September 5, 2026. Distances are straight-line miles from the center of Story City 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%.

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 Story City residents like anyone else.

Banks near Story City

Nearby cities with at least two banks, by straight-line distance. Counts from FDIC BankFind.

Short answer: The closest towns with more choice are Jewell (9 miles) and Ames (11 miles). Ames, 11 miles away, has the most banks nearby: 16.

Bank branch openings and closings in Story City

FDIC branch records, between September 5, 2025 and September 5, 2026.

Short answer: FDIC branch records show no bank branch openings in Story City 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 Story City

Short answer: 1 institution has its main office in Story City: Reliance State Bank.

Banks: FDIC BankFind (community-bank flag and assets). Credit unions: NCUA call report.

Largest banks in Story City by total assets

Ranked by each bank's total assets on its FDIC balance sheet, which covers the whole bank, not only its Story City offices.

Short answer: First Interstate Bank is the largest bank with offices in Story City, with $25.79 billion in total assets on June 30, 2026, No. 83 among U.S. banks by total assets. GNB Bank is second with $621.3 million. 1 of the 4 bank is headquartered here. Local deposit shares will follow once the FDIC Summary of Deposits is imported.

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 Story City: FAQ

How we build this page

Every figure above comes from one of these sources. Nothing is typed by hand, nothing is estimated.