Washington County Population

1790–2026

142.82K

2026 projection

7.2% since 2020 (increase)

050K100K150K200K18001850190019502000

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.
2026142,824+1,6251.15%
2025141,199+1,6251.16%
2024139,574+1,1200.81%
2023138,454+2,1811.60%
2022136,273+2,8122.11%
2021133,461+2500.19%
2020133,211+3,5412.73%
2019129,670+6450.50%
2018129,025+1,1560.90%
2017127,869+4300.34%

Showing 10 of 38 years.

Washington County Demographics

40.2median age

Median age

Female41.1 yrs
Male38.9 yrs

Adults

110,815
25,751 seniors (65+) · 23% of adults85,064 other adults

Sex

Female 50.8% · 69,189Male 49.2% · 67,072

Population by age

MaleFemale85+ years, male: 1,04585+ years, female: 1,76780–84 years, male: 1,43080–84 years, female: 1,83675–79 years, male: 2,04575–79 years, female: 2,34570–74 years, male: 3,62470–74 years, female: 3,71965–69 years, male: 3,67765–69 years, female: 4,26360–64 years, male: 4,88460–64 years, female: 4,59655–59 years, male: 3,98655–59 years, female: 4,57450–54 years, male: 4,27350–54 years, female: 4,65045–49 years, male: 4,20045–49 years, female: 3,90440–44 years, male: 3,73840–44 years, female: 3,98235–39 years, male: 4,25835–39 years, female: 3,73830–34 years, male: 4,36630–34 years, female: 4,07825–29 years, male: 4,82825–29 years, female: 4,48220–24 years, male: 5,49820–24 years, female: 6,62615–19 years, male: 4,61215–19 years, female: 4,72310–14 years, male: 3,56210–14 years, female: 3,0965–9 years, male: 3,8065–9 years, female: 3,8070–4 years, male: 3,2400–4 years, female: 3,00385+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 1,363 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

$62,809median household income

Median household income

$62,809

Half of households earn more, half earn less

Median earnings

$45,000

Typical yearly pay for a worker 25 or older.

Poverty rate

15.5%

About 1 in 6 residents

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

Washington County Marital Status

48% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married48%50%46%
Never married33%34%31%
Divorced12%11%13%
Widowed6%3%9%
Separated2%2%2%

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

Sources

8 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year