Decatur Population

1880–2026

9,431

2026 projection

41.5% since 2020 (increase)

02K4K6K8K10K18801900192019401960198020002020

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. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20269,431+4024.45%
20259,029+7569.14%
20248,273+2673.33%
20238,006+80611.19%
20227,200+2774.00%
20216,923+2593.89%
20206,664-4376.15%
20197,101+1692.44%
20186,932+2523.77%
20176,680+1191.81%

Showing 10 of 30 years.

Decatur Demographics

40.5median age

Median age

Female42.3 yrs
Male38.2 yrs

Adults

5,740
1,623 seniors · 28%4,117 other adults

Sex

Female 54.7% · 4,064Male 45.3% · 3,362

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 74 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 Income

$73,179median household income

Median household income

$73,179

Half of households earn more, half earn less

Median earnings

$50,028

Typical yearly pay for a worker 25 or older.

Poverty rate

8%

About 1 in 13 residents

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

Decatur Marital Status

44% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married44%51%39%
Never married28%33%24%
Divorced14%10%17%
Widowed13%5%19%
Separated2%<1%2%

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