Decatur township Population

2010–2026

3,488

2026 projection

2.1% since 2020 (decrease)

01K2K3K4K201020122014201620182020202220242026

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 Decatur township. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20263,488-150.43%
20253,503-150.43%
20243,518-90.26%
20233,527-50.14%
20223,532-220.62%
20213,554-100.28%
20203,564-461.27%
20193,610-50.14%
20183,615-110.30%
20173,626-90.25%

Showing 10 of 17 years.

Decatur township Demographics

41.3median age

Median age

Female43.3 yrs
Male38.8 yrs

Adults

2,759
447 seniors · 16%2,312 other adults

Sex

Female 49.4% · 1,748Male 50.6% · 1,789

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 35 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

Decatur township Income

$67,917median household income

Median household income

$67,917

Half of households earn more, half earn less

Median earnings

$47,619

Typical yearly pay for a worker 25 or older.

Poverty rate

18.2%

About 1 in 6 residents

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

Decatur township Marital Status

46% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married46%45%47%
Never married34%39%29%
Divorced11%10%12%
Widowed8%4%12%
Separated1%2%<1%

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