Washington County Population

1830–2026

39,674

2026 projection

11.1% since 2020 (decrease)

020K40K60K80K1850190019502000

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.
202639,674-7721.91%
202540,446-7721.87%
202441,218-7101.69%
202341,928-5721.35%
202242,500-1,1182.56%
202143,618-1,0212.29%
202044,639+6661.51%
201943,973-1,1242.49%
201845,097-1,1412.47%
201746,238-9762.07%

Showing 10 of 34 years.

Washington County Demographics

38median age

Median age

Female40 yrs
Male36 yrs

Adults

31,804
7,621 seniors (65+) · 24% of adults24,183 other adults

Sex

Female 53.4% · 22,822Male 46.6% · 19,943

Population by age

MaleFemale85+ years, male: 16185+ years, female: 57280–84 years, male: 36980–84 years, female: 33875–79 years, male: 47575–79 years, female: 77170–74 years, male: 89270–74 years, female: 1,24865–69 years, male: 1,31465–69 years, female: 1,48160–64 years, male: 1,26960–64 years, female: 1,60755–59 years, male: 1,28555–59 years, female: 1,45750–54 years, male: 1,13850–54 years, female: 1,38545–49 years, male: 1,01445–49 years, female: 1,30340–44 years, male: 1,02740–44 years, female: 1,26335–39 years, male: 1,31235–39 years, female: 1,39830–34 years, male: 1,14830–34 years, female: 1,30225–29 years, male: 1,28325–29 years, female: 1,39520–24 years, male: 1,29720–24 years, female: 1,29315–19 years, male: 1,42715–19 years, female: 1,50210–14 years, male: 1,54110–14 years, female: 2,0125–9 years, male: 1,5145–9 years, female: 1,0820–4 years, male: 1,4770–4 years, female: 1,41385+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K1.5K1.5K

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 428 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

$42,165median household income

Median household income

$42,165

Half of households earn more, half earn less

Median earnings

$39,231

Typical yearly pay for a worker 25 or older.

Poverty rate

26.5%

About 1 in 4 residents

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

Washington County Marital Status

35% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married35%39%32%
Never married44%47%41%
Divorced10%8%12%
Widowed8%4%12%
Separated3%3%4%

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