Bainbridge Island Population

1950–2026

24,621

2026 projection

0.8% since 2020 (decrease)

05K10K15K20K25K19501960197019801990200020102020

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Bainbridge Island. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202624,621-700.28%
202524,691+1340.55%
202424,557+1870.77%
202324,370-2260.92%
202224,596-1260.51%
202124,722-1030.41%
202024,825-240.10%
201924,849+4401.80%
201824,409+2220.92%
201724,187+3381.42%

Showing 10 of 23 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Bainbridge Island has a population change lower than Kitsap County, Washington, and the U.S.

  • Washington+3.5%
  • United States+3.1%
  • Kitsap County+2.7%
  • Bainbridge Island−0.6%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Bainbridge Island Demographics

49median age

Median age

Female50.3 yrs
Male48.4 yrs

Adults

19,672
6,744 seniors (65+) · 34% of adults12,928 other adults

Sex

Female 50.8% · 12,515Male 49.2% · 12,116

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 246 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Bainbridge Island Income

$172,188median household income

Median household income

$172,188

Half of households earn more, half earn less

Median earnings

$104,634

Typical yearly pay for a worker 25 or older.

Poverty rate

3.5%

About 1 in 29 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Bainbridge Island Marital Status

68% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married68%71%65%
Never married19%21%17%
Divorced8%5%12%
Widowed4%2%6%
Separated1%1%<1%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201