Skip to main content

Size · Wisconsin

Largest US Banks by Assets in Wisconsin

Ranked among banks headquartered in Wisconsin. Re-ranked 1-100 within the state from the same national ranking population.

#1 US Banks by Assets: ASSOCIATED BANK, NATIONAL ASSOCIATION — $45.54B . The largest US bank by total assets is the bank at the top of this list, updated quarterly from FFIEC call report filings.

Ranked: 160 banks with reported data Showing: Top 100 Source: FFIEC call reports (Q1 2026)
# Bank HQ Value
1 Associated Bank, N.A. Green Bay , WI $45.54B
2 Nicolet National Bank Green Bay , WI $15.55B
3 Johnson Bank Racine , WI $7.01B
4 Bank First, N.A. Manitowoc , WI $6.06B
5 Town Bank, N.A. Hartland , WI $4.52B
6 First Business Bank Madison , WI $4.32B
7 John Deere Financial, F.S.B. Middleton , WI $4.11B
8 Lake Ridge Bank Middleton , WI $3.33B
9 National Exchange Bank and Trust Fond Du Lac , WI $2.93B
10 Bank Five Nine Oconomowoc , WI $2.61B
Full financials, 24-year trends & peer benchmarks on every institution — free. Start free →
11 North Shore Bank Brookfield , WI $2.59B
12 One Community Bank Oregon , WI $2.55B
13 Waterstone Bank Wauwatosa , WI $2.25B
14 National Bank of Commerce Superior , WI $2.21B
15 Incrediblebank Wausau , WI $2.06B
16 Tri City National Bank Oak Creek , WI $1.97B
17 Ccfbank N.A. Altoona , WI $1.82B
18 Horicon Bank Horicon , WI $1.68B
19 Waukesha State Bank Waukesha , WI $1.63B
20 The First National Bank and Trust Company Beloit , WI $1.59B
21 Park Bank, the Madison , WI $1.53B
22 Peoples State Bank Wausau , WI $1.49B
23 Bankers' Bank Madison , WI $1.45B
24 Forward Bank Marshfield , WI $1.21B
25 Citizens Bank Mukwonago , WI $1.17B
26 Bank of Wisconsin Dells Wisconsin Dells , WI $1.07B
27 Great Midwest Bank, State Savings Bank Brookfield , WI $1.06B
28 River Bank Stoddard , WI $1.05B
29 Security Financial Bank Durand , WI $1.02B
30 Prevail Bank Medford , WI $1.01B
31 Port Washington State Bank, the Port Washington , WI $1.00B
32 Peoples State Bank Prairie Du Chien , WI $973.3M
33 Ixonia Bank Ixonia , WI $959.9M
34 Farmers & Merchants Bank, the Berlin , WI $949.0M
35 Farmers & Merchants Union Bank Columbus , WI $903.8M
36 Bank Cmg Madison , WI $899.8M
37 Dmb Community Bank Madison , WI $830.9M
38 Bank of New Glarus, the New Glarus , WI $824.2M
39 Royal Bank Elroy , WI $808.6M
40 Westbury Bank Waukesha , WI $780.2M
41 Hiawatha National Bank Hager City , WI $773.1M
42 Bank of Prairie Du Sac Prairie Du Sac , WI $755.3M
43 Dairy State Bank Rice Lake , WI $749.6M
44 Chippewa Valley Bank Hayward , WI $735.5M
45 Bank of Luxemburg Luxemburg , WI $724.9M
46 Fortifi Bank Berlin , WI $723.0M
47 Bank of Sun Prairie Sun Prairie , WI $716.6M
48 Northwestern Bank, the Chippewa Falls , WI $712.0M
49 Woodtrust Bank Wisconsin Rapids , WI $707.5M
50 Stephenson National Bank and Trust, the Marinette , WI $684.1M
51 Citizens State Bank - La Crosse La Crosse , WI $653.0M
52 Community State Bank Union Grove , WI $651.9M
53 Abbybank Abbotsford , WI $650.7M
54 Community First Bank Boscobel , WI $637.6M
55 Pyramax Bank, F.S.B. Greenfield , WI $595.2M
56 Capitol Bank Madison , WI $589.4M
57 Unity Bank Augusta , WI $587.6M
58 Premierbank Fort Atkinson , WI $586.0M
59 Baraboo State Bank Baraboo , WI $575.2M
60 Premier Community Bank Marion , WI $562.2M
61 First State Bank New London , WI $553.6M
62 Mound City Bank Platteville , WI $545.9M
63 State Bank Financial La Crosse , WI $537.1M
64 Bank of Lake Mills Lake Mills , WI $530.1M
65 Coulee Bank La Crosse , WI $524.3M
66 Northwestern Mutual Wealth Management Company Milwaukee , WI $521.3M
67 State Bank of Chilton Chilton , WI $512.5M
68 First Citizens State Bank Whitewater , WI $511.4M
69 Woodford State Bank Monroe , WI $509.6M
70 Citizens State Bank Hudson , WI $488.1M
71 Blc Community Bank Little Chute , WI $475.4M
72 Oak Bank Fitchburg , WI $462.1M
73 Farmers Savings Bank Mineral Point , WI $457.9M
74 Spring Bank Brookfield , WI $441.9M
75 American National Bank-fox Cities Appleton , WI $434.4M
76 Oostburg State Bank Oostburg , WI $429.9M
77 Bank of Mauston Mauston , WI $419.8M
78 Bank of Brodhead, the Brodhead , WI $416.7M
79 Forte Bank Hartford , WI $407.4M
80 Peoples Community Bank, the Mazomanie , WI $393.8M
81 Fox Valley Savings Bank Fond Du Lac , WI $383.9M
82 Wolf River Community Bank Hortonville , WI $378.1M
83 West Pointe Bank Oshkosh , WI $374.1M
84 First National Bank of Bangor, the Bangor , WI $359.4M
85 Shell Lake State Bank Shell Lake , WI $357.5M
86 Sterling Bank Barron , WI $355.8M
87 Waumandee State Bank Waumandee , WI $350.6M
88 Citizens First Bank Viroqua , WI $344.2M
89 Clare Bank, N.A. Platteville , WI $342.8M
90 Bank of Alma Alma , WI $339.3M
91 First National Community Bank New Richmond , WI $336.8M
92 State Bank of Newburg Newburg , WI $330.9M
93 Northern State Bank Ashland , WI $328.8M
94 Cumberland Federal Bank, FSB Cumberland , WI $328.6M
95 Equitable Bank, S.S.B., the Wauwatosa , WI $326.9M
96 First National Bank of River Falls, the River Falls , WI $325.9M
97 Bay Bank Green Bay , WI $312.7M
98 Citizens State Bank of Loyal Loyal , WI $307.3M
99 Peshtigo National Bank Peshtigo , WI $299.4M
100 Laona State Bank Laona , WI $289.7M

More Size rankings

Go past the leaderboard — open any bank for its full financials, 24-year trends, and peer percentiles. Free, no card required.

Start free — no card required

All data sourced from the most recent FFIEC call report filings, refreshed each quarter as new filings are processed. See /data-updates/ for the current data freshness window.

Explore more: all rankings · glossary · browse all banks