- county
- FIPS 01073
- Largest town: Birmingham
Jefferson County, Alabama
Jefferson County had 664,744 residents in the Census Vintage 2024 estimate, on 1,111.6 square miles of land. It is the most populous of Alabama's 67 county-equivalents.
- Population
- 664,744
- #1 of 67 in Alabama · #107 in US
- Area
- 1,111.6 sq mi
- #5 of 67 in Alabama · #568 in US
- Density
- 598 / sq mi
- #1 of 67 in Alabama · #238 in US
- Median household income
- $64,726
- #11 of 67 in Alabama · #1,398 in US
Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area
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Jefferson County population, land area and income
Jefferson County had 664,744 residents in the Census Vintage 2024 estimate, on 1,111.6 square miles of land. It is the most populous of Alabama's 67 county-equivalents. That works out to 598.0 people per square mile, 6.2 times the US average of 96.3, and in the top tenth nationally.
The median county-equivalent in Alabama has 33,813 residents, so Jefferson County is 19.7 times that size.
Its SAIPE 2023 median household income of $64,726 is above the national county median among 3,143 counties with an estimate.
National rank among 3,144
Population
664,744
107th of 3,144 (US)
Land area
1,112 sq mi
568th of 3,144 (US)
Density
598.0 / sq mi
238th of 3,144 (US)
Median household income
$64,726
1398th of 3,143 (US)
Rank within Alabama (67)
Population
664,744
1st of 67 (AL)
Land area
1,112 sq mi
5th of 67 (AL)
Density
598.0 / sq mi
1st of 67 (AL)
Median household income
$64,726
11th of 67 (AL)
How Jefferson County's population changed since 2020
Jefferson County lost 9,983 residents between the July 2020 and July 2024 estimates, a drop of 1.5%. That ranks 47th of 67 in Alabama for growth. The median Alabama county changed by +0.2%, and the state as a whole by +2.5%.
Since the April 2020 estimates base, Jefferson County recorded 33,381 births and 35,114 deaths, a natural change of -1,733. Net international migration added +5,936 and net domestic migration, people moving to or from other US counties, came to -13,900. The largest single component was domestic migration, which removed 13,900 people.
Components of change, April 2020 to July 2024
- Births
- 33,381
- Deaths
- 35,114
- Net international migration
- +5,936
- Net domestic migration
- -13,900
- Change, July 2023 to July 2024
- +660
Where Jefferson County is
The Census internal point of Jefferson County is at 33.553400, -86.896500. It sits in UTM zone 16N. The map shades Alabama's 67 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Jefferson County outlined. Dots are towns of 1,000+ people with residents in it.
- < -3.2%
- < -0.5%
- < +1.6%
- < +4.3%
- ≥ +4.3%
Orange pin: Jefferson County internal point. Dark pin: Montgomery.
Internal point
- Decimal
- 33.553400, -86.896500
- DMS
- 33°33'12.24"N 86°53'47.40"W
- UTM
- 16N 509607.7E 3712644.4N
- Geohash
- djfnys5ys
- Plus code
- 865MH433+9C
Towns in Jefferson County
32 incorporated places of 1,000+ people have residents in Jefferson County, 553,161 people together, or 83% of the county. Each figure counts only the part of the town inside Jefferson County; towns marked "part" extend into another county. The largest is Birmingham with 194,407.
- 01Birmingham (part)194,407
- 02Hoover (part)65,423
- 03Vestavia Hills (part)38,117
- 04Homewood27,919
- 05Bessemer25,079
- 06Trussville (part)24,944
- 07Mountain Brook21,701
- 08Gardendale16,444
- 09Hueytown16,185
- 10Center Point15,603
- 11Irondale13,545
- 12Leeds (part)10,309
- 13Clay (part)10,239
- 14Fairfield9,524
- 15Pleasant Grove9,375
Counties bordering Jefferson County
The Census 2024 county adjacency file lists 6 neighbors for Jefferson County. The most populous is Tuscaloosa County, AL, with 241,212 residents. Distances run between Census internal points in a straight line.
Distance to Montgomery and the nearest big city
Montgomery is 88.3 miles SSE of Jefferson County's internal point in a straight line. The nearest place of 100,000 or more is Birmingham, AL (population 196,357), 6.0 miles away.
Jefferson County FIPS code
The FIPS code of Jefferson County is 01073: state code 01 for Alabama plus county code 073. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $64,726.
Questions people ask
What is the population of Jefferson County, Alabama?
The Census Vintage 2024 estimate for July 1, 2024 is 664,744. That is down 9,983 people (1.5%) from the July 2020 estimate of 674,727.
What is the FIPS code of Jefferson County?
01073. The first two digits (01) are Alabama; the last three (073) identify the county.
What is the largest town in Jefferson County?
Birmingham, with 194,407 residents inside Jefferson County in 2024 (196,357 across all 2 counties it spans).
Which counties border Jefferson County?
6 county-equivalents border it in the Census 2024 adjacency file: Tuscaloosa County, AL; Shelby County, AL; St. Clair County, AL; Walker County, AL; Blount County, AL; Bibb County, AL.
Sources and data as of
Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.
- 01Census Vintage 2024 county population estimates
- 02Census 2024 Gazetteer, counties
- 03Census SAIPE 2023 state and county estimates
- 04Census Vintage 2024 subcounty population estimates
- 05Census 2024 county adjacency file
- 06Census 2024 cartographic boundary file, counties (1:5,000,000)
How every number is computed: methodology. Spotted a wrong figure? Report an error.