Washington County Population

1830–2026

26,932

2026 projection

6.3% since 2020 (increase)

05K10K15K20K25K30K1850190019502000

Source: U.S. Census Bureau decennial counts and annual 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 Washington County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202626,932+2370.89%
202526,695+2370.90%
202426,458+9453.70%
202325,513+1010.40%
202225,412+5582.25%
202124,854-4701.86%
202025,324-3231.26%
201925,647+8023.23%
201824,845+2681.09%
201724,577+1080.44%

Showing 10 of 34 years.

Washington County Demographics

41.7median age

Median age

Female45.6 yrs
Male40 yrs

Adults

20,419
4,803 seniors (65+) · 24% of adults15,616 other adults

Sex

Female 46.9% · 11,976Male 53.1% · 13,553

Population by age

MaleFemale85+ years, male: 23085+ years, female: 37080–84 years, male: 20880–84 years, female: 28875–79 years, male: 39275–79 years, female: 45270–74 years, male: 65370–74 years, female: 64865–69 years, male: 67765–69 years, female: 88560–64 years, male: 72660–64 years, female: 84955–59 years, male: 1,10455–59 years, female: 88050–54 years, male: 88450–54 years, female: 79245–49 years, male: 96945–49 years, female: 85140–44 years, male: 94640–44 years, female: 80035–39 years, male: 85835–39 years, female: 74630–34 years, male: 1,25430–34 years, female: 69325–29 years, male: 92425–29 years, female: 60320–24 years, male: 71920–24 years, female: 48315–19 years, male: 79515–19 years, female: 65410–14 years, male: 88210–14 years, female: 7695–9 years, male: 6885–9 years, female: 6270–4 years, male: 6440–4 years, female: 58685+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

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 255 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

Washington County Income

$58,210median household income

Median household income

$58,210

Half of households earn more, half earn less

Median earnings

$39,360

Typical yearly pay for a worker 25 or older.

Poverty rate

17.3%

About 1 in 6 residents

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

Washington County Marital Status

46% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married46%44%49%
Never married30%37%23%
Divorced13%14%12%
Widowed8%3%14%
Separated2%2%1%

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