Washington County Population

1790–2026

31,202

2026 projection

0.4% since 2020 (increase)

010K20K30K40K50K18001850190019502000

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.
202631,202-1320.42%
202531,334-1320.42%
202431,466-50.02%
202331,471-110.03%
202231,482+2820.90%
202131,200+1090.35%
202031,091-1950.62%
201931,286+1340.43%
201831,152-2180.69%
201731,370-2380.75%

Showing 10 of 38 years.

Washington County Demographics

48.6median age

Median age

Female49.8 yrs
Male47.7 yrs

Adults

25,522
8,253 seniors (65+) · 32% of adults17,269 other adults

Sex

Female 50.7% · 15,882Male 49.3% · 15,449

Population by age

MaleFemale85+ years, male: 24485+ years, female: 55980–84 years, male: 49880–84 years, female: 53575–79 years, male: 71475–79 years, female: 72370–74 years, male: 1,14170–74 years, female: 1,08165–69 years, male: 1,31665–69 years, female: 1,44260–64 years, male: 1,28560–64 years, female: 1,49155–59 years, male: 1,11555–59 years, female: 1,09150–54 years, male: 97650–54 years, female: 98245–49 years, male: 83945–49 years, female: 84840–44 years, male: 73640–44 years, female: 97135–39 years, male: 89835–39 years, female: 79330–34 years, male: 76730–34 years, female: 72725–29 years, male: 76425–29 years, female: 75820–24 years, male: 80520–24 years, female: 68515–19 years, male: 89615–19 years, female: 96310–14 years, male: 82910–14 years, female: 7935–9 years, male: 8255–9 years, female: 7920–4 years, male: 8010–4 years, female: 64885+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 313 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

$56,024median household income

Median household income

$56,024

Half of households earn more, half earn less

Median earnings

$40,145

Typical yearly pay for a worker 25 or older.

Poverty rate

17.1%

About 1 in 6 residents

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

Washington County Marital Status

50% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married50%52%48%
Never married27%29%24%
Divorced14%13%15%
Widowed9%4%13%
Separated1%2%<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