Decatur demographics profile

Population density (sq mi)1,0259291
Median age38.638.637.7
Male/Female ratio0.9:10.9:11.0:1
Married (15yrs & older)57%57%55%
Families w/ Kids under 1846%40%43%
Speak English88%95%79%
Speak Spanish11%3%13%
Decatur, AL has a population of 55,419 and is the 722nd largest city in the United States. The population density is 1,025 per sq mi which is 1014% higher than the Alabama average and 1031% higher than the national average. The median age in Decatur is 39 which is approximately equal to the Alabama average of 39. In Decatur, 57% of the population over 15 years of age are married, 88% speak English and 11% speak Spanish. 65% of Decatur residents were born in Alabama, 27% were born out of state, 1% were born outside of the United States and 7% were foreign born.
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Did you know?

  • The population density in Decatur is 1014% higher than Alabama.
  • The median age in Decatur is equal to Alabama.
  • In Decatur 70.54% of the population is White.
  • In Decatur 21.52% of the population is Black or African American.
  • In Decatur 0.63% of the population is Asian.

Compare Decatur, AL Demographics To Other Cities

Decatur population breakdown by race

Black or African American21.52%26.48%12.63%
American Indian0.78%0.49%0.82%
Native Hawaiian0.00%0.04%0.18%
Mixed race3.13%1.76%3.06%
Other race3.40%1.28%4.75%
In Decatur, 12.7% of people are of Hispanic or Latino origin.
Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

Decatur age breakdown

Marital status

Age of children in married couples

Source: The Decatur, AL demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).
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