Washington township Population

2010–2026

18,363

2026 projection

1.4% since 2020 (increase)

05K10K15K20K201020122014201620182020202220242026

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 township. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202618,363+540.29%
202518,309+540.30%
202418,255+80.04%
202318,247+1020.56%
202218,145-10.01%
202118,146+400.22%
202018,106-340.19%
201918,140-2141.17%
201818,354-1570.85%
201718,511-110.06%

Showing 10 of 17 years.

Washington township Demographics

46.2median age

Median age

Female47.2 yrs
Male44.6 yrs

Adults

13,841
3,550 seniors · 26%10,291 other adults

Sex

Female 50.5% · 9,218Male 49.5% · 9,047

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 183 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 township Income

$165,651median household income

Median household income

$165,651

Half of households earn more, half earn less

Median earnings

$92,816

Typical yearly pay for a worker 25 or older.

Poverty rate

2.5%

About 1 in 40 residents

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

Washington township Marital Status

64% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married64%67%62%
Never married25%27%23%
Divorced5%4%6%
Widowed6%2%10%
Separated<1%<1%<1%

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