Learn more about Decatur’s population, neighborhoods, and economy. Scroll down to find quick facts, including median income, population size, and age.

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What Are Demographics?

The word “demographics” comes from Greek roots meaning “measurement of people.” It includes data such as age, race, employment, household size, and marital status. These facts help city leaders make informed decisions and maintain Decatur’s quality of life.

Census Information

The census is a nationwide count of every person living in the United States. It takes place every 10 years and helps determine how federal funds are distributed and how voting districts are drawn, and it supports programs such as Head Start, SNAP, school meals, and unemployment benefits. 

Decatur’s 2020 Census

According to the American Community Survey in 2024: 

  • Decatur’s population was 57,361 residents. 
  • The median age was 39.7 years. 
  • Median household income was $61,563. 
  • Per capita income stood at $34,685. 
  • Racial and ethnic composition included approximately 56% White, 23% Black or African American, and 16% Hispanic or Latino (of any race). 
  • There were 23,722 households with an average size of 2.4 persons. 
  • The poverty rate was 13.1%.