Decatur Population

1850–2026

58,291

2026 projection

2% since 2020 (increase)

010K20K30K40K50K60K186018801900192019401960198020002020

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.
202658,291+2350.40%
202558,056-170.03%
202458,073+3040.53%
202357,769+5230.91%
202257,246+3900.69%
202156,856-2750.48%
202057,131+2,7285.01%
201954,403+500.09%
201854,353-740.14%
201754,427-3220.59%

Showing 10 of 32 years.

Decatur Demographics

39.7median age

Median age

Female41.3 yrs
Male37.7 yrs

Adults

43,697
10,356 seniors · 24%33,341 other adults

Sex

Female 49.9% · 28,646Male 50.1% · 28,715

Population by age

MaleFemale85+ years, male: 34985+ years, female: 67980–84 years, male: 52580–84 years, female: 75675–79 years, male: 74775–79 years, female: 98170–74 years, male: 1,32470–74 years, female: 1,65665–69 years, male: 1,58365–69 years, female: 1,75660–64 years, male: 2,13860–64 years, female: 2,10155–59 years, male: 1,81555–59 years, female: 2,03650–54 years, male: 1,67250–54 years, female: 1,44045–49 years, male: 1,67345–49 years, female: 1,53940–44 years, male: 1,84340–44 years, female: 1,83235–39 years, male: 1,73735–39 years, female: 1,88830–34 years, male: 1,94930–34 years, female: 1,46625–29 years, male: 2,05125–29 years, female: 1,68620–24 years, male: 1,80420–24 years, female: 1,57615–19 years, male: 1,85715–19 years, female: 1,82310–14 years, male: 2,06310–14 years, female: 1,6155–9 years, male: 1,6335–9 years, female: 2,0760–4 years, male: 1,9520–4 years, female: 1,74085+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–41K1K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

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 574 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

$61,563median household income

Median household income

$61,563

Half of households earn more, half earn less

Median earnings

$43,566

Typical yearly pay for a worker 25 or older.

Poverty rate

13.1%

About 1 in 8 residents

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

Decatur Marital Status

45% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married45%48%43%
Never married31%36%26%
Divorced13%11%15%
Widowed8%3%13%
Separated3%2%3%

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

Sources

10 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year