Credit union
Summit Credit Union
Madison, Wisconsin, Dane County, WI
$8.5B in total assets and 281,962 members, the 46th largest of 4,298 US credit unions and 1st of 98 headquartered in Wisconsin.
- NCUA charter
- 67190
- Charter
- State chartered (WI)
- Chartered
- 1935
- NCUA insured since
- 1987
At a glance
Compared with 14 federally insured credit unions in Wisconsin with $1 billion to $10 billion in assets, as of June 30, 2026.
| Measure | This credit union | Percentile | Peer range, middle 90% | Peer median |
|---|---|---|---|---|
| Total assets | $8.5B | 98% | $3.7B | |
| Loans | $6.9B | 98% | $2.8B | |
| Deposits (shares) | $6.9B | 98% | $3.0B | |
| Members | 281,962 | 71% | 163,724 | |
| Return on assets | 1.29% | 64% | 1.19% | |
| Net interest income to assets | 2.97% | 7% | 3.48% | |
| Efficiency ratio | 60.4% | 21% | 65.8% | |
| Net worth ratio | 10.34% | 29% | 11.55% | |
| Loans to shares | 101% | 79% | 94% | |
| Cost of deposits | 2.25% | 79% | 2.07% |
Ratios are annualized from year-to-date figures. Return on assets uses average assets, as NCUA does. Cost of deposits includes dividends on shares.
Growth
Total assets grew 12.7% a year over 10 years and 12.8% a year over the last 5, including 4 mergers in the last 10 years. Membership grew 5.4% a year over 5 years, to 281,962.
Dashed lines mark larger mergers, listed below.
Mergers and acquisitions
| Closed | Absorbed | Assets at last filing |
|---|---|---|
| Oct 2022 | Commerce State Bank Bank, West Bend, WI | $847M |
| Apr 2019 | Star Credit Union Credit union, Madison, WI | $16K |
| Jul 2018 | W. S. P. Credit Union Credit union, Waupun, WI | $2M |
| Oct 2017 | Baraboo Municipal Employees Credit Union Credit union, Baraboo, WI | $2M |
| Jul 2015 | Educational Employees Credit Union Credit union, Janesville, WI | $14M |
| Dec 2013 | Greater Milwaukee Credit Union Credit union, West Allis, WI | $14M |
| Sep 2013 | Veterans Administration Credit Union Credit union, Milwaukee, WI | $15M |
| Apr 2011 | SAUK County Employees Credit Union Credit union, Baraboo, WI | $462K |
Where they operate
57 branches in 17 counties.
1 of 57 branch locations are approximate (ZIP code centers).
Largest counties by branches
| County | Branches | Share of all branches | Rank |
|---|---|---|---|
| Dane County, WI | 25 | 12.8% | 1 of 47 |
| Milwaukee County, WI | 8 | 3.0% | 13 of 44 |
| Waukesha County, WI | 7 | 3.7% | 9 of 48 |
| Brown County, WI | 2 | 2.1% | 12 of 27 |
| Jefferson County, WI | 2 | 5.7% | 5 of 17 |
| Washington County, WI | 2 | 4.3% | 10 of 17 |
| Columbia County, WI | 1 | 4.5% | 7 of 11 |
| Dodge County, WI | 1 | 2.9% | 9 of 13 |
Credit unions do not report deposits by branch, so these are branch counts: this credit union's branches against every bank and credit union branch in the county. Rank is among all banks and credit unions with a branch there.
Branches by year
| Year end | Branches | Change |
|---|---|---|
| 2016 | 34 | |
| 2017 | 34 | 0 |
| 2018 | 36 | +2 |
| 2019 | 43 | +7 |
| 2020 | 45 | +2 |
| 2021 | 50 | +5 |
| 2022 | 53 | +3 |
| 2023 | 60 | +7 |
| 2024 | 60 | 0 |
| 2025 | 57 | −3 |
| Jun 2026 | 57 | 0 |
Member-serving offices as listed in NCUA call reports. Changes include branches gained in mergers.
Earnings and credit
Return on assets
Year to date, annualized, with the peer median.
Credit and capital
| This credit union | Peer median | |
|---|---|---|
| Delinquent loans, 60+ days | 0.65% | 0.56% |
| Net worth ratio | 10.34% | 11.55% |
| Loans to shares | 101% | 94% |
Delinquent loans are two or more months past due. Net worth is NCUA's capital measure for credit unions.
Related
Credit unions of similar size in Wisconsin
Most branches in Dane County, WI
Figures as of June 30, 2026 from the credit union's NCUA call report (Form 5300), NCUA's credit union locator and FFIEC merger records.