Washington County Population

1860–2026

218.91K

2026 projection

20.3% since 2020 (increase)

050K100K150K200K250K186018801900192019401960198020002020

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.
2026218,909+5,2392.45%
2025213,670+5,2392.51%
2024208,431+5,4782.70%
2023202,953+5,0172.53%
2022197,936+6,4173.35%
2021191,519+9,5175.23%
2020182,002+4,0642.28%
2019177,938+5,8873.42%
2018172,051+5,8563.52%
2017166,195+6,6584.17%

Showing 10 of 31 years.

Washington County Demographics

39.1median age

Median age

Female39.9 yrs
Male38.4 yrs

Adults

148,410
43,803 seniors (65+) · 30% of adults104,607 other adults

Sex

Female 50.2% · 98,557Male 49.8% · 97,874

Population by age

MaleFemale85+ years, male: 2,35885+ years, female: 2,36680–84 years, male: 2,97880–84 years, female: 2,62475–79 years, male: 4,23275–79 years, female: 5,04470–74 years, male: 5,53470–74 years, female: 6,21065–69 years, male: 6,01365–69 years, female: 6,44460–64 years, male: 4,83760–64 years, female: 5,50355–59 years, male: 4,55955–59 years, female: 5,27250–54 years, male: 4,75150–54 years, female: 4,62445–49 years, male: 5,30545–49 years, female: 5,24240–44 years, male: 6,42840–44 years, female: 5,84635–39 years, male: 5,29535–39 years, female: 5,91630–34 years, male: 5,56430–34 years, female: 5,35025–29 years, male: 6,16125–29 years, female: 5,84220–24 years, male: 6,34220–24 years, female: 6,07415–19 years, male: 7,45215–19 years, female: 7,30410–14 years, male: 7,59910–14 years, female: 6,6035–9 years, male: 6,5965–9 years, female: 6,4310–4 years, male: 5,8700–4 years, female: 5,86285+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 1,964 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

$80,632median household income

Median household income

$80,632

Half of households earn more, half earn less

Median earnings

$46,150

Typical yearly pay for a worker 25 or older.

Poverty rate

9.8%

About 1 in 10 residents

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

Washington County Marital Status

60% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married60%62%58%
Never married25%27%23%
Divorced9%7%10%
Widowed5%3%7%
Separated1%1%1%

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