3rd most populous of 67
With 412,339 residents in 2024, Mobile County ranks 3rd by population among Alabama's 67 counties and is home to 8.0% of the state's residents.

Mobile County has the 3rd largest economy in Alabama ($30.1 billion GDP) and the 12th highest share of college graduates (26.0% of adults).
Mobile County is home to 412,339 people (2024 estimate) on 1,229 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.
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U.S. Census Bureau: intercensal estimates 2000–2009, Vintage 2020 (2010–2019) and Vintage 2024 (2020–2024), July 1.
| Indicator | Value | Year and source |
|---|---|---|
| Population estimate | 412,339 | 2024 · U.S. Census Bureau |
| Population, 2010 Census | 412,992 | 2010 · U.S. Census Bureau |
| Population, 2000 | 400,073 | July 1, 2000 · Census intercensal |
| Change since 2000 | +3.1% | 2000–2024 · Census |
| International migration | +762 | 2024 · Census Vintage 2024 |
| Domestic migration | −516 | 2024 · Census Vintage 2024 |
| Birth rate | 12.1 per 1,000 | 2024 · calculated |
| Death rate | 11.2 per 1,000 | 2024 · calculated |
| Population rank in Alabama | 3rd of 67 | 2024 · calculated |
| Per capita personal income | $53,901 | BEA, 2024 · official |
| Gross domestic product | $30.1 billion | BEA, current dollars, 2024 · official |
| Median household income | $58,880 | ACS 2020–2024 5-year · official |
| Poverty rate | 16.2% | ACS 2020–2024 5-year · official |
| Bachelor’s degree or higher | 26.0% | Age 25+, ACS 2020–2024 5-year · official |
| Foreign-born residents | 3.4% | ACS 2020–2024 5-year · official |
| Median home value | $190,700 | ACS 2020–2024 5-year · official |
| Median gross rent | $1,052/month | ACS 2020–2024 5-year · official |
| Median age | 38.5 years | ACS 2020–2024 5-year · official |
| Households | 161,665 | ACS 2020–2024 5-year · official |
| Owner-occupied homes | 66.0% | ACS 2020–2024 5-year · official |
Comparable indicators for Mobile County, Alabama and the United States.
| Indicator | County | Alabama | U.S. | Reference |
|---|---|---|---|---|
| Population change 2020–2024 | −0.6% | +2.6% | +2.6% | Census Vintage 2024 |
| Birth rate (per 1,000) | 12.1 | 11.2 | 10.6 | 2024 |
| Death rate (per 1,000) | 11.2 | 11.5 | 9.1 | 2024 |
| Net migration rate (per 1,000) | 0.6 | 8.1 | 8.2 | 2024 |
| Population density (/mi²) | 335.4 | 101.8 | 96.3 | 2024 |
| Per capita personal income | $53,901 | $57,311 | $73,204 | BEA, 2024 |
| Median household income | $58,880 | $63,999 | $80,734 | ACS 2020–2024 5-year |
| Poverty rate | 16.2% | 15.6% | 12.5% | ACS 2020–2024 5-year |
| Bachelor’s degree or higher | 26.0% | 28.4% | 35.7% | Age 25+, ACS 2020–2024 5-year |
| Foreign-born residents | 3.4% | 4.0% | 14.1% | ACS 2020–2024 5-year |
| Median home value | $190,700 | $209,900 | $332,700 | ACS 2020–2024 5-year |
| Median gross rent | $1,052/month | $1,007/month | $1,413/month | ACS 2020–2024 5-year |
| Median age | 38.5 years | 39.3 years | 38.9 years | ACS 2020–2024 5-year |
| Owner-occupied homes | 66.0% | 70.2% | 65.2% | ACS 2020–2024 5-year |
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With 412,339 residents in 2024, Mobile County ranks 3rd by population among Alabama's 67 counties and is home to 8.0% of the state's residents.
Its population went from 400,073 in 2000 to 412,339 in 2024, a change of +3.1%, compared with +15.8% for Alabama as a whole.
In the year to July 2024 the county recorded 4,981 births and 4,626 deaths, so births outnumbered deaths by 355.
Annual Census estimates since 2000 put the county's highest population at 415,169 in 2016. The 2024 figure is 2,830 lower.
Mobile County has about 335.4 residents per square mile of land, ranking 3rd of 67 counties; Alabama averages 101.8.
With a median household income of $58,880 (ACS 2020–2024 5-year), the county ranks 24th of 67 Alabama counties; the state median is $63,999.
Its economy produced $30.1 billion of GDP in 2024 (BEA), 3rd largest among 67 Alabama counties.
Real GDP grew 4.1% in 2024, adjusted for inflation (BEA, chained 2017 dollars).