Decatur Population 2026
Decatur has a population of 55,437, making it the #764 biggest city in 🇺🇸 United States, located in Alabama. It is about 159× smaller than New York City, the country's biggest city.
Population (city proper)
55,437
Rank in United States
#764
Coordinates
34.61°N, 86.98°W
~171 m elevation · America/Chicago
Distance to capital (Washington)
1,006 km
625 miles, straight line
Other big cities in Alabama
| City | Population | Rank in United States |
|---|---|---|
| Huntsville | 215,006 | #108 |
| Birmingham | 196,357 | #129 |
| Montgomery | 195,287 | #130 |
| Mobile | 183,289 | #141 |
| Tuscaloosa | 111,338 | #273 |
| Hoover | 84,848 | #421 |
| Dothan | 68,567 | #561 |
| Auburn | 62,059 | #651 |
Cities near Decatur
- Athens24,966 people · ~22 km away
- Madison46,962 people · ~24 km away
- Huntsville215,006 people · ~39 km away
- Cullman15,350 people · ~50 km away
- East Florence35,733 people · ~65 km away
- Florence40,026 people · ~67 km away
FAQ
What is the population of Decatur?
Decatur has a population of 55,437 (city proper, latest official figure via GeoNames), making it the #764 biggest city in United States.
What state is Decatur in?
Decatur is located in Alabama, United States.
Is Decatur the capital of United States?
No, the capital of United States is Washington D.C., about 1,006 km away.
Sources & notes
Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.
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