Skip to main content

Profitability · Illinois

Most Efficient US Banks (Lowest Efficiency Ratio) in Illinois

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

#1 US Banks (Lowest Efficiency Ratio): NORTHBROOK BANK & TRUST COMPANY, NATIONAL ASSOCIATION — 28.76% . The efficiency ratio measures non-interest operating expense against net revenue — a lower ratio means the bank converts more of each revenue dollar into pre-tax income.

Ranked: 280 banks with reported data Showing: Top 100 Source: FFIEC call reports (Q1 2026) What is this metric? See the Most Efficient US … glossary entry Go deeper: What Is the Bank Efficiency Ratio? Formula, Benchmarks, and What Moves It
# Bank HQ Most Efficient US … Total Assets
1 Northbrook Bank & Trust Company, N.A. Northbrook , IL 28.76% $6.81B
2 Village Bank & Trust, N.A. Arlington Heights , IL 30.34% $3.47B
3 Wheaton Bank & Trust Company, N.A. Wheaton , IL 33.38% $4.46B
4 Schaumburg Bank & Trust Company, N.A. Schaumburg , IL 33.68% $2.39B
5 Libertyville Bank & Trust Company, N.A. Libertyville , IL 33.69% $3.15B
6 Germantown Trust & Savings Bank Breese , IL 34.32% $519.0M
7 Crystal Lake Bank & Trust Company, N.A. Crystal Lake , IL 34.58% $2.15B
8 Municipal Trust and Savings Bank Bourbonnais , IL 35.84% $363.0M
9 Hinsdale Bank & Trust Company, N.A. Hinsdale , IL 35.99% $6.50B
10 Cibc Bank USA Chicago , IL 36.35% $65.13B
Full financials, 24-year trends & peer benchmarks on every institution — free. Start free →
11 State Bank of the Lakes, N.A. Antioch , IL 37.76% $2.69B
12 ST. Charles Bank & Trust Company, N.A. Saint Charles , IL 38.34% $3.54B
13 Union National Bank Elgin , IL 39.70% $409.1M
14 First Eagle Bank Chicago , IL 40.13% $623.5M
15 Bank of Rantoul Rantoul , IL 40.58% $283.6M
16 Teutopolis State Bank Teutopolis , IL 40.77% $357.1M
17 Central State Bank Clayton , IL 41.11% $178.1M
18 First Trust and Savings Bank of Watseka, the Watseka , IL 41.89% $333.4M
19 Bank of O'fallon O'Fallon , IL 42.06% $377.3M
20 Town and Country Bank Midwest Quincy , IL 42.17% $286.6M
21 Grundy Bank Morris , IL 42.73% $374.7M
22 Peoples State Bank of Newton, Illinois, the Newton , IL 43.06% $728.5M
23 Lake Forest Bank & Trust Company, N.A. Lake Forest , IL 43.35% $9.00B
24 Vermilion Valley Bank Piper City , IL 43.36% $193.7M
25 Wintrust Bank, N.A. Chicago , IL 43.61% $9.28B
26 Signature Bank Rosemont , IL 43.70% $1.95B
27 Community Bank Winslow , IL 44.11% $304.1M
28 Peoples Bank & Trust Pana , IL 45.32% $611.5M
29 First National Bank of Brookfield Brookfield , IL 45.71% $428.0M
30 Goodfield State Bank Goodfield , IL 45.73% $284.2M
31 First National Bank of Pana Pana , IL 46.00% $405.1M
32 First State Bank of Beecher City Beecher City , IL 46.18% $113.5M
33 Parkway Bank and Trust Company Harwood Heights , IL 46.24% $3.67B
34 Farmers National Bank Prophetstown , IL 46.82% $913.9M
35 Nashville Savings Bank Nashville , IL 47.19% $108.9M
36 Byline Bank Chicago , IL 47.48% $9.89B
37 Old Plank Trail Community Bank, N.A. New Lenox , IL 47.55% $3.32B
38 American Community Bank & Trust Woodstock , IL 48.01% $1.17B
39 Anderson State Bank Oneida , IL 48.13% $107.4M
40 Community Bank of Trenton Trenton , IL 48.23% $125.9M
41 Time Bank Park Ridge , IL 48.31% $730.6M
42 Byron Bank Byron , IL 48.48% $368.0M
43 Bank of Pontiac Pontiac , IL 48.74% $1.20B
44 Farmers State Bank & Trust CO. Mount Sterling , IL 48.88% $131.0M
45 Morton Community Bank Morton , IL 48.91% $5.28B
46 Liberty Bank Liberty , IL 49.03% $192.4M
47 The Gifford State Bank Gifford , IL 49.23% $189.6M
48 Blackhawk Bank & Trust Milan , IL 49.26% $1.96B
49 Crossroads Bank Effingham , IL 49.35% $239.8M
50 Frederick Community Bank, the Paxton , IL 49.56% $197.6M
51 Old Second National Bank Aurora , IL 49.56% $6.85B
52 Rushville State Bank Rushville , IL 50.29% $132.9M
53 American Commercial Bank & Trust, N.A. Ottawa , IL 50.61% $2.04B
54 Citizens National Bank of Albion Albion , IL 50.76% $353.4M
55 Longview Bank Ogden , IL 50.85% $680.4M
56 Bank of Gibson City Gibson City , IL 50.91% $146.5M
57 State Bank Freeport , IL 51.09% $385.9M
58 Belmont Bank & Trust Company Chicago , IL 51.19% $1.03B
59 Bradford National Bank of Greenville, the Greenville , IL 51.38% $740.2M
60 Central Bank Illinois Geneseo , IL 51.62% $1.47B
61 First Trust Bank of Illinois Kankakee , IL 51.63% $394.3M
62 Burling Bank Chicago , IL 51.73% $237.8M
63 Fcb Banks Collinsville , IL 51.85% $2.61B
64 Providence Bank & Trust South Holland , IL 51.86% $1.56B
65 Iroquois Farmers State Bank Iroquois , IL 52.01% $167.5M
66 First National Bank of Steeleville Steeleville , IL 52.11% $279.4M
67 First National Bank in Taylorville Taylorville , IL 52.12% $201.0M
68 Princeville State Bank Princeville , IL 52.23% $120.4M
69 Constitution Bank, N.A. Hillsboro , IL 52.31% $678.9M
70 First State Bank of Campbell Hill Campbell Hill , IL 53.19% $161.0M
71 Apple River State Bank Apple River , IL 53.21% $630.2M
72 BMO Bank N.A. Chicago , IL 53.29% $251.96B
73 Southerntrust Bank Marion , IL 53.58% $282.7M
74 First Nations Bank Chicago , IL 53.60% $544.2M
75 Illini State Bank Tonica , IL 53.68% $171.4M
76 Havana National Bank, the Havana , IL 53.80% $341.1M
77 Beverly Bank & Trust Company, N.A. Chicago , IL 53.87% $2.66B
78 Casey State Bank Casey , IL 53.94% $506.4M
79 Shelby County State Bank Shelbyville , IL 54.08% $361.1M
80 Grand Ridge National Bank Wheaton , IL 54.09% $427.5M
81 Community First Bank of the Heartland Mount Vernon , IL 54.22% $270.1M
82 First Southern Bank Marion , IL 54.23% $1.05B
83 Clay City Banking CO., the Clay City , IL 54.37% $256.2M
84 Lakeside Bank Chicago , IL 54.44% $2.86B
85 First Mid Bank & Trust, N.A. Mattoon , IL 54.60% $8.20B
86 Citizens State Bank Lena , IL 54.86% $449.2M
87 State Street Bank and Trust Company Quincy , IL 55.01% $351.9M
88 First Community Bank and Trust Beecher , IL 55.47% $202.5M
89 First National Bank and Trust Company Clinton , IL 55.90% $383.8M
90 Streator Home Savings Bank Streator , IL 55.97% $137.0M
91 Buena Vista National Bank Chester , IL 55.99% $336.5M
92 United Community Bank Chatham , IL 56.15% $4.17B
93 First National Bank of Arenzville, the Arenzville , IL 56.22% $157.6M
94 Milledgeville State Bank Milledgeville , IL 56.50% $212.7M
95 1nb Bank Carlyle , IL 57.34% $308.5M
96 International Bank of Chicago Chicago , IL 57.35% $986.6M
97 Great Rivers Bank Barry , IL 57.37% $196.2M
98 Bank & Trust Company Litchfield , IL 57.52% $644.6M
99 Chester National Bank Chester , IL 57.56% $120.1M
100 Exchange State Bank Lanark , IL 57.78% $112.3M

More Profitability 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. This leaderboard excludes banks with total assets under $100,000K to filter out anomalous micro-bank ratios. See /data-updates/ for the current data freshness window.

Explore more: all rankings · glossary · browse all banks