Census tracts · Decatur, AL

Census tracts in Decatur, Alabama

15 census tracts lie mostly within Decatur, and 7 more reach into it, by the 2020 census blocks they share. Median household income runs from $34,938 in Tract 7 to $102,010 in Tract 51.08, against $61,563 for Decatur as a whole (ACS 2020-2024 5-year estimates).

Which census tracts of Decatur earn the most and the least?

The five tracts with the highest and the lowest median household income among those mostly within Decatur and with a reliable estimate.

Tract 51.08 $102,010
Tract 51.05 $100,455
Tract 2 $90,913
Tract 51.07 $83,484
Tract 51.03 $70,469
Tract 51.06 $54,224
Tract 3 $51,429
Tract 9 $46,692
Tract 1 $42,426
Tract 7 $34,938

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

Every census tract in Decatur

Sort by any column; the share column is how much of each tract's land (by 2020 census blocks) lies inside Decatur.

Census tracts in or partly in Decatur, ACS 2020-2024 5-year estimates. Distance and direction from the Census Bureau's internal point of Decatur (2024 Gazetteer), which is not always its downtown

Tract 301103000300	1.1 mi east	Morgan County	2,930±463	$51,429	$175,200	$917	100%
Tract 401103000400	2.5 mi north	Morgan County	3,921±425	$57,548	$210,500	$969	100%
Tract 801103000800	0.7 mi northwest	Morgan County	3,322±554	$68,850	$116,600	$830	100%
Tract 901103000900	at the center point	Morgan County	6,182±776	$46,692	$166,300	$907	100%
Tract 51.0801103005108	1.7 mi southwest	Morgan County	4,307±845	$102,010	$240,100	$1,028	100%
Tract 201103000200	2.8 mi east	Morgan County	3,610±381	$90,913	$270,400	$1,593	97%
Tract 51.0901103005109	1.8 mi southeast	Morgan County	4,198±841	$59,925	$141,000	$853	96%
Tract 101103000100	2.4 mi northeast	Morgan County	4,893±716	$42,426	$107,700	$893	95%
Tract 601103000600	3.1 mi northwest	Morgan County	3,047±442	$18,786	$68,300	$790	92%
Tract 51.0601103005106	2.9 mi west	Morgan County	6,959±959	$54,224	$263,300	$1,011	92%
Tract 1001103001000	1.3 mi northwest	Morgan County	3,744±495	$58,775	$168,500	$1,260	90%
Tract 701103000700	2.1 mi northwest	Morgan County	3,674±634	$34,938	$131,100	$849	87%
Tract 51.0301103005103	4.0 mi south	Morgan County	824±128	$70,469	$168,800	$1,162	62%
Tract 51.0501103005105	3.1 mi south	Morgan County	2,342±286	$100,455	$284,800	not published	58%
Tract 51.0701103005107	4.7 mi southwest	Morgan County	4,628±761	$83,484	$223,200	$731	55%
Tract 53.0601103005306	5.6 mi southeast	Morgan County	3,717±605	$98,547	$318,700	$1,196	33%
Tract 51.0101103005101	5.0 mi northwest	Morgan County	4,863±581	$105,000	$247,400	$1,027	28%
Tract 54.0401103005404	8.2 mi east	Morgan County	5,500±649	$106,857	$271,400	$681	15%
Tract 212.0301083021203	8.2 mi east	Limestone County	6,524±861	$139,242	$398,100	$1,484	11%
Tract 211.0101083021101	8.1 mi north	Limestone County	4,021±936	$72,500	$258,300	$721	6%
Tract 53.0201103005302	8.4 mi south	Morgan County	4,064±494	$79,911	$226,300	$700	2%
Tract 53.0501103005305	8.4 mi southeast	Morgan County	5,939±679	$62,772	$232,900	$708	1%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files · Census block assignment files

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections