Decatur Population

2010–2026

1,637

2026 projection

3.3% since 2020 (decrease)

05001K1.5K2K201020122014201620182020202220242026

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.
20261,637-90.55%
20251,646-120.72%
20241,658-90.54%
20231,667-60.36%
20221,673-100.59%
20211,683-90.53%
20201,692-372.14%
20191,729-60.35%
20181,735-90.52%
20171,744-80.46%

Showing 10 of 17 years.

Decatur Demographics

33.3median age

Median age

Female36.4 yrs
Male29.9 yrs

Adults

1,431
245 seniors · 17%1,186 other adults

Sex

Female 49.6% · 910Male 50.4% · 925

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 18 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

$61,806median household income

Median household income

$61,806

Half of households earn more, half earn less

Median earnings

$41,552

Typical yearly pay for a worker 25 or older.

Poverty rate

19.7%

About 1 in 5 residents

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

Decatur Marital Status

39% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married39%36%41%
Never married40%42%37%
Divorced12%11%14%
Widowed7%7%8%
Separated2%4%<1%

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