Foster township Population

2010–2026

3,840

2026 projection

5% since 2020 (decrease)

01K2K3K4K5K201020122014201620182020202220242026

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 Foster township. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20263,840-280.72%
20253,868-280.72%
20243,896-180.46%
20233,914-310.79%
20223,945-631.57%
20214,008-340.84%
20204,042+30.07%
20194,039-400.98%
20184,079-431.04%
20174,122-90.22%

Showing 10 of 17 years.

Foster township Demographics

48.4median age

Median age

Female51.4 yrs
Male45.4 yrs

Adults

3,164
911 seniors · 29%2,253 other adults

Sex

Female 49.9% · 1,973Male 50.1% · 1,983

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 40 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

Foster township Income

$70,362median household income

Median household income

$70,362

Half of households earn more, half earn less

Median earnings

$44,091

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

Foster township Marital Status

52% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married52%50%53%
Never married25%32%16%
Divorced15%12%18%
Widowed9%5%13%
Separated<1%1%<1%

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