$65.4B
total assets, June 30, 2026
Columbia Bank is a state nonmember bank based in Roseburg, OR, owned by Columbia Banking System, Inc. (COLB). As of June 30, 2026 it held $65.4 billion in assets and $52.2 billion in deposits; assets were up 26.0% from a year before. It has 360 branches in 8 states.
Updated Oct 11, 2026 · numbers as of June 30, 2026
Total assets
$65.4B
+26.0% in a year · -1.0% in a quarter
Deposits
$52.2B
+24.8% in a year · -2.7% in a quarter
Loans
$47.2B
+25.3% in a year · -1.2% in a quarter
Profit so far
$413M
Jan 1 to Jun 30, 2026 · +63.3% in a year
Capital ratio
9.68%
+0.49 pts in a year
Return on assets
1.25%
+0.27 pts in a year
Facts
- Type
- State nonmember bank
- Head office
- 445 Se Main St, Roseburg, OR, 97470
- County
- Douglas
- Holding company
- Columbia Banking System, Inc. (COLB)
- Established
- Nov 9, 1953
- Employees
- 5,590
- Branches
- 360 in 8 states
- Website
- www.columbiabank.com
- Id
- b17266
Quarter by quarter
March 31, 1984 to June 30, 2026
Assets, deposits and loans
Each quarter end, US dollars
Profit by quarter
Net income of each quarter, the last 12
Ratios
Percent. Return on assets and net interest margin are yearly rates.
Branches
360 offices as of June 30, 2026, holding $52.2 billion in deposits
Branch map
Every branch, sized by its deposits
| State | Branches | Deposits | Share |
|---|---|---|---|
| Oregon | 109 | $19.4B | 37.1% |
| Washington | 106 | $15.7B | 30.0% |
| California | 104 | $14.4B | 27.6% |
| Idaho | 25 | $1.5B | 2.9% |
| Nevada | 6 | $583M | 1.1% |
| Arizona | 7 | $468M | 0.9% |
| Colorado | 2 | $178M | 0.3% |
| Utah | 1 | $31.7M | 0.1% |
| Largest branches | Place | Deposits |
|---|---|---|
| Columbia Bank (main office) | Roseburg, OR | $7.6B |
| 1301 A Street Branch | Tacoma, WA | $4.1B |
| 3Rd & Seneca Branch | Seattle, WA | $930M |
| Encino Branch | Encino, CA | $734M |
| Irvine Financialhub Branch | Irvine, CA | $618M |
| Roseville Main Branch | Roseville, CA | $605M |
| Vancouver Branch | Vancouver, WA | $528M |
| Bellevue 112Th Branch | Bellevue, WA | $509M |
| Olive Branch | Eugene, OR | $481M |
| Pacific Premier Bank Branch | Irvine, CA | $420M |
Related pages
Questions and answers
How big is Columbia Bank?
$65.4 billion in total assets and $52.2 billion in deposits as of June 30, 2026, with assets up 26.0% from a year before. Its loans were $47.2 billion.
How many branches does Columbia Bank have?
360 branches in 8 states as of June 30, 2026. The most deposits are in Oregon ($19.4 billion).
Is Columbia Bank profitable?
Yes: it earned $412.6 million from January 1 to June 30, 2026 (up 63.3% from the same months a year before). Its return on assets was 1.25% a year; about 1% is typical.
Who owns Columbia Bank?
Columbia Bank is owned by Columbia Banking System, Inc., its holding company, which is listed as COLB.
Official public data from the reports every insured bank files each quarter. Profit so far runs from January 1 to the quarter end. Branch deposits are counted once a year, as of June 30. New quarters appear about two months after the quarter ends.