Marion County, Alabama Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 38th-largest in Alabama
The population of Marion County, Alabama is 29,190 as of the 2023 American Community Survey, making it the 38th-largest county in Alabama. The median household income is $50,714, the median home value is $104,300, and the median age is 43.8.
The population of Marion County has declined 4.9% since 2010 (30,822 → 29,323), a -0.36% annualized rate.
29,190
Population
-0.36%
Annual growth
39
People / sq mi
$50,714
Median Income
$104,300
Median Home Value
Marion County covers 742 sq mi of land at 39.3 people per square mile.
About Marion County, AL
Marion County is a county in Alabama with a population of 29,190. It ranks #38 among counties in Alabama by population. The median age is 43.8, older than the national median. The population is 49.4% male and 50.6% female.
The median household income in Marion County is $50,714, below the US median of $74,580. 11.7% of residents live below the federal poverty level. Home values sit at a median of $104,300, with monthly rent averaging $583. The homeownership rate of 75.2% is higher than the national rate of 64.8%.
Educational attainment in Marion County reflects 12.8% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 3.2% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 26.4 minutes each way.
Marion County Population History (2010-2024)
The county of Marion County had a population of 30,822 in 2010 and 29,323 in 2024, a -4.9% growth over 14 years. The peak was 30,822 in 2010. Average annual growth rate: -0.35%.
29,323
Population (2024)
30,822
Population (2010)
30,822
Peak (2010)
-0.35%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 30,822 |
| 2011 | 30,661 |
| 2012 | 30,495 |
| 2013 | 30,236 |
| 2014 | 30,215 |
| 2015 | 30,137 |
| 2016 | 29,958 |
| 2017 | 29,825 |
| 2018 | 29,776 |
| 2019 | 29,826 |
| 2020 | 29,175 |
| 2021 | 28,972 |
| 2022 | 29,171 |
| 2023 | 29,279 |
| 2024 | 29,323 |
Race & Ethnicity
| White | 91.4% |
| Black or African American | 3.6% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.7% |
| Two or More Races | 0.0% |
Age & Sex
43.8
Median Age
50.6%
Female
49.4%
Male
21.1%
Age 65+
Age Distribution
Children (under 15): 16.8% · Seniors (65+): 21.1%
Income & Poverty
| Median household income | $50,714$-11,313 vs state |
| Mean household income | $66,253 |
| Per-capita income | $26,555 |
| Poverty rate | 11.7%+0.4% vs state |
| Unemployment rate | 3.1% |
| Employment-to-population | 47.6% |
Top Industries by Employment
The largest employment sector in Marion County is professional & business services, accounting for 24.3% of workers.
How residents commute
0.0%
Drive alone
0.8%
Carpool
88.7%
Public transit
3.2%
Work from home
26.4 min
Avg commute
Housing
$104,300$-90,800 vs state
Median home value
$583
Median rent
75.2%
Homeownership rate
14,156
Total housing units
76.8%
Occupied
23.2%
Vacant
24.8%
Renter-occupied
Social & access
89.8%
With health insurance
87.4%
With broadband internet
29.2%
Foreign-born
6.7%
Veterans (18+)
26.8%
With a disability
98.1%
Speak language other than English at home
Education
82.1%
High School+
12.8%
Bachelor's+
Largest cities in Alabama
Other counties in Alabama
Part of Alabama
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County rankings
Frequently Asked Questions
Marion County, Alabama has a population of 29,190 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 38th-largest county in Alabama. Population density is 39 people per square mile.
The population of Marion County has declined 4.9% since 2010 (30,822 → 29,323), a -0.36% annualized rate.
The median household income in Marion County, Alabama is $50,714, with mean (average) household income of $66,253 and per-capita income of $26,555. 11.7% of residents live below the federal poverty level.
In Marion County, the largest racial and ethnic groups are White (91.4%), Black or African American (3.6%), Hispanic or Latino (1.7%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Marion County, Alabama is 43.8 years. Residents are 50.6% female and 49.4% male.
The median home value in Marion County is $104,300 and median monthly rent is $583. 75.2% of occupied housing units are owner-occupied. The county has 14,156 total housing units, 23.2% of which are vacant.
The largest employment sector in Marion County, Alabama is professional, scientific, and management services, employing 24.3% of workers. The unemployment rate is 3.1%.
Huntsville is among the largest cities associated with Marion County, Alabama, with a population of 218,814.
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Statewide data for Alabama
Population, race, income, age, and trends across Alabama
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.