Banks in St. Louis County, Missouri

FDIC-insured institutions in St. Louis County held $48.5 billion in deposits as of June 30, 2026, according to the FDIC.

53 FDIC-insured institutions held $48.5 billion in deposits in 303 offices in St. Louis County at June 30, 2026; Commerce Bank held the most, 12.4% of the county's.

St. Louis County, June 30, 2026

$48.5 billion
Deposits in the county: $48,505,533,000; At June 30, 2026, against $46.0 billion a year before, each year's own dollars.; 53
Institutions with deposits: FDIC-insured banks and savings institutions with an office here that reported deposits.; 303
Offices: Every office the survey lists here, against 300 in 2025.; 12.4%
The largest share: Commerce Bank, with $6.0 billion in 22 offices.

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FDIC-insured institutions with an office in St. Louis County, Missouri, by deposits there at June 30, 2026, each with its share of the county's $48.5 billion
Rank	Institution	Offices	Deposits	Share	Deposits, 2025
1	Commerce Bank	22	$6.0 billion	12.4%	$5.8 billion
2	Bank of America, National Association	19	$6.0 billion	12.4%	$6.0 billion
3	U.S. Bank National Association	31	$5.9 billion	12.2%	$5.8 billion
4	Enterprise Bank & Trust	7	$4.4 billion	9.2%	$4.2 billion
5	Regions Bank	22	$2.9 billion	5.9%	$2.3 billion
6	PNC Bank, National Association	14	$2.7 billion	5.5%	$2.3 billion
7	First Bank	17	$2.3 billion	4.7%	$2.2 billion
8	Midwest BankCentre	9	$1.8 billion	3.7%	$1.7 billion
9	The Central Trust Bank	10	$1.5 billion	3.1%	$1.4 billion
10	Cass Commercial Bank	2	$1.1 billion	2.2%	$1.0 billion
11	The Bank of Missouri	3	$1.1 billion	2.2%	No office
12	St. Louis Bank	1	$922.0 million	1.9%	$847.6 million
13	CIBC Bank USA	1	$898.5 million	1.9%	$671.9 million
14	Triad Bank	2	$896.7 million	1.8%	$776.1 million
15	Parkside Financial Bank & Trust	1	$890.2 million	1.8%	$895.6 million
16	Simmons Bank	13	$890.2 million	1.8%	$926.2 million
17	Busey Bank	4	$799.9 million	1.6%	$786.1 million
18	Carrollton Bank	3	$795.5 million	1.6%	$726.2 million
19	BMO Bank National Association	7	$620.3 million	1.3%	$723.2 million
20	JPMorgan Chase Bank, National Association	16	$619.9 million	1.3%	$522.1 million
21	CNB St Louis Bank	4	$599.6 million	1.2%	$627.4 million
22	Sterling Bank	2	$458.0 million	0.9%	$445.5 million
23	Midwest Regional Bank	4	$383.5 million	0.8%	$369.9 million
24	Royal Banks of Missouri	9	$375.9 million	0.8%	$396.8 million
25	Great Southern Bank	11	$357.4 million	0.7%	$360.7 million
26	First Mid Bank & Trust, National Association	4	$353.1 million	0.7%	$366.7 million
27	UMB Bank, National Association	7	$349.4 million	0.7%	$346.7 million
28	Montgomery Bank	7	$318.0 million	0.7%	$321.5 million
29	Lindell Bank & Trust Company	8	$312.2 million	0.6%	$307.1 million
30	Midland States Bank	7	$283.2 million	0.6%	$272.5 million
31	Commercial Bank	4	$246.5 million	0.5%	$250.2 million
32	American Bank of Freedom	2	$189.8 million	0.4%	$186.1 million
33	St. Johns Bank and Trust Company	2	$184.6 million	0.4%	$198.2 million
34	FCB Banks	3	$181.9 million	0.4%	$160.1 million
35	Peoples National Bank , N.A.	2	$131.8 million	0.3%	$93.9 million
36	SULLIVAN BANK	1	$119.1 million	0.2%	$105.7 million
37	The Northern Trust Company	1	$93.0 million	0.2%	$61.5 million
38	Southern Bank	2	$89.8 million	0.2%	$81.0 million
39	Paramount Bank	1	$74.7 million	0.2%	$73.7 million
40	Academy Bank, National Association	3	$68.6 million	0.1%	$62.6 million
41	Bank of Washington	1	$55.6 million	0.1%	$13.9 million
42	State Bank	1	$50.0 million	0.1%	$46.2 million
43	Farmers and Merchants Bank of St. Clair	1	$47.3 million	0.1%	$46.0 million
44	The Huntington National Bank	1	$45.8 million	0.1%	No office
45	Bank of Springfield	1	$41.3 million	0.1%	$34.1 million
46	Associated Bank, National Association	1	$25.4 million	0.1%	$8.5 million
47	FCNB Bank	1	$18.8 million	< 0.1%	$18.9 million
48	First State Bank of St. Charles, Missouri	1	$18.0 million	< 0.1%	$19.7 million
49	Heartland Bank and Trust Company	1	$16.1 million	< 0.1%	No office
50	Bank Star	1	$10.2 million	< 0.1%	$8.5 million
51	Bank of Franklin County	1	$8.9 million	< 0.1%	$4.4 million
52	The Bank of Houston	1	$5.0 million	< 0.1%	$5.0 million
53	Edward Jones Trust Company	1	$500.0 thousand	< 0.1%	$500.0 thousand
54	Stifel Bank and Trust	1	$0	0.0%	$0
54	CIBC National Trust Company	1	$0	0.0%	$0

An institution with no office in the county in 2025 shows none for that year; a name is the survey’s for 2026, and one without a link has no page because it did not file a Call Report for the newest quarter.

Sources

FDIC Summary of Deposits — every office's deposits at June 30, 1994 to the newest survey — Federal Deposit Insurance Corporation · Public domain — U.S. Government work · retrieved September 27, 2026

Compiled automatically from FDIC Summary of Deposits — every office's deposits at June 30, 1994 to the newest survey by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 30, 2026

St. Louis County, June 30, 2026

Each institution’s share of the county’s deposits

Sources