Washington County Population

1790–2026

210.97K

2026 projection

0.7% since 2020 (increase)

050K100K150K200K250K18001850190019502000

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.
2026210,969+1670.08%
2025210,802+1670.08%
2024210,635+1930.09%
2023210,442+4610.22%
2022209,981-1350.06%
2021210,116+7030.34%
2020209,413+2,5471.23%
2019206,866-2480.12%
2018207,114-380.02%
2017207,152-3170.15%

Showing 10 of 38 years.

Washington County Demographics

44.2median age

Median age

Female45.5 yrs
Male42.7 yrs

Adults

168,972
46,167 seniors (65+) · 27% of adults122,805 other adults

Sex

Female 50.5% · 106,148Male 49.5% · 103,894

Population by age

MaleFemale85+ years, male: 1,96385+ years, female: 3,85280–84 years, male: 2,22880–84 years, female: 2,65475–79 years, male: 3,63575–79 years, female: 4,42870–74 years, male: 5,85870–74 years, female: 6,59565–69 years, male: 7,28565–69 years, female: 7,66960–64 years, male: 8,01760–64 years, female: 7,95355–59 years, male: 7,34155–59 years, female: 7,80650–54 years, male: 6,84150–54 years, female: 6,82345–49 years, male: 6,27245–49 years, female: 5,99940–44 years, male: 6,41740–44 years, female: 5,92935–39 years, male: 6,64235–39 years, female: 6,73130–34 years, male: 6,33930–34 years, female: 6,17825–29 years, male: 5,74025–29 years, female: 5,38820–24 years, male: 5,96820–24 years, female: 5,57515–19 years, male: 6,14515–19 years, female: 6,11910–14 years, male: 5,82710–14 years, female: 5,3125–9 years, male: 6,1695–9 years, female: 6,0900–4 years, male: 5,2070–4 years, female: 5,04785+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–42K2K4K4K6K6K

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 2,100 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

$78,958median household income

Median household income

$78,958

Half of households earn more, half earn less

Median earnings

$54,389

Typical yearly pay for a worker 25 or older.

Poverty rate

9.6%

About 1 in 10 residents

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

Washington County Marital Status

52% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married52%54%51%
Never married28%32%25%
Divorced11%10%12%
Widowed7%4%11%
Separated1%1%1%

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