Birmingham skyline from Vulcan Park
County in Alabama

Jefferson County

Jefferson County has the largest economy in Alabama ($65.5 billion GDP) and the 4th highest share of college graduates (36.2% of adults).

Jefferson County is home to 664,744 people (2024 estimate) on 1,112 square miles of land. This page brings together official U.S. Census Bureau population estimates since 2000, the components of change—births, deaths and migration—American Community Survey indicators on income, housing, poverty and education, BEA economic accounts and BLS unemployment.

Key indicators

Population
664,744
July 1, 2024 estimate
2020 Census base
674,311
April 1, 2020
Change since 2020
−1.4%
2020–2024
Land area
1,112 mi²
2,879 km²
Population density
598.0 /mi²
2024 estimate ÷ land area
Births
7,828
Year to July 1, 2024
Deaths
7,620
Year to July 1, 2024
Natural change
+208
Births minus deaths, 2024
Net migration
+453
Domestic + international, 2024
Per capita personal income
$75,312
BEA, 2024
Gross domestic product
$65.5 billion
BEA, current dollars, 2024
Median household income
$66,388
ACS 2020–2024 5-year
Poverty rate
15.7%
ACS 2020–2024 5-year
Bachelor’s degree or higher
36.2%
Age 25+, ACS 2020–2024 5-year
Foreign-born residents
4.9%
ACS 2020–2024 5-year
Median home value
$240,000
ACS 2020–2024 5-year
Unemployment rate
3.0%
BLS annual average, 2024

Historical data

Pick an indicator to see its long-run evolution.

Population

2000–2024
664,744▲ 0%

U.S. Census Bureau: intercensal estimates 2000–2009, Vintage 2020 (2010–2019) and Vintage 2024 (2020–2024), July 1.

Data summary

IndicatorValueYear and source
Population estimate664,7442024 · U.S. Census Bureau
Population, 2010 Census658,4662010 · U.S. Census Bureau
Population, 2000662,033July 1, 2000 · Census intercensal
Change since 2000+0.4%2000–2024 · Census
International migration+2,3922024 · Census Vintage 2024
Domestic migration−1,9392024 · Census Vintage 2024
Birth rate11.8 per 1,0002024 · calculated
Death rate11.5 per 1,0002024 · calculated
Population rank in Alabama1st of 672024 · calculated
Per capita personal income$75,312BEA, 2024 · official
Gross domestic product$65.5 billionBEA, current dollars, 2024 · official
Median household income$66,388ACS 2020–2024 5-year · official
Poverty rate15.7%ACS 2020–2024 5-year · official
Bachelor’s degree or higher36.2%Age 25+, ACS 2020–2024 5-year · official
Foreign-born residents4.9%ACS 2020–2024 5-year · official
Median home value$240,000ACS 2020–2024 5-year · official
Median gross rent$1,193/monthACS 2020–2024 5-year · official
Median age37.7 yearsACS 2020–2024 5-year · official
Households269,883ACS 2020–2024 5-year · official
Owner-occupied homes63.9%ACS 2020–2024 5-year · official

Jefferson County in context

Comparable indicators for Jefferson County, Alabama and the United States.

IndicatorCountyAlabamaU.S.Reference
Population change 2020–2024−1.4%+2.6%+2.6%Census Vintage 2024
Birth rate (per 1,000)11.811.210.62024
Death rate (per 1,000)11.511.59.12024
Net migration rate (per 1,000)0.78.18.22024
Population density (/mi²)598.0101.896.32024
Per capita personal income$75,312$57,311$73,204BEA, 2024
Median household income$66,388$63,999$80,734ACS 2020–2024 5-year
Poverty rate15.7%15.6%12.5%ACS 2020–2024 5-year
Bachelor’s degree or higher36.2%28.4%35.7%Age 25+, ACS 2020–2024 5-year
Foreign-born residents4.9%4.0%14.1%ACS 2020–2024 5-year
Median home value$240,000$209,900$332,700ACS 2020–2024 5-year
Median gross rent$1,193/month$1,007/month$1,413/monthACS 2020–2024 5-year
Median age37.7 years39.3 years38.9 yearsACS 2020–2024 5-year
Owner-occupied homes63.9%70.2%65.2%ACS 2020–2024 5-year

Cities & towns

2 cities · choose how to order them

Did you know? Jefferson County

1st most populous of 67

With 664,744 residents in 2024, Jefferson County ranks 1st by population among Alabama's 67 counties and is home to 12.9% of the state's residents.

A quarter century of change

Its population went from 662,033 in 2000 to 664,744 in 2024, a change of +0.4%, compared with +15.8% for Alabama as a whole.

Births and deaths

In the year to July 2024 the county recorded 7,828 births and 7,620 deaths, so births outnumbered deaths by 208.

Peak population in 2020

Annual Census estimates since 2000 put the county's highest population at 674,727 in 2020. The 2024 figure is 9,983 lower.

1st in density

Jefferson County has about 598.0 residents per square mile of land, ranking 1st of 67 counties; Alabama averages 101.8.

Household income rank

With a median household income of $66,388 (ACS 2020–2024 5-year), the county ranks 10th of 67 Alabama counties; the state median is $63,999.

Size of the economy

Its economy produced $65.5 billion of GDP in 2024 (BEA), 1st largest among 67 Alabama counties.

Latest economic growth

Real GDP grew 1.4% in 2024, adjusted for inflation (BEA, chained 2017 dollars).

Sources and methodology