Marion County, Georgia Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 142nd-largest in Georgia
The population of Marion County, Georgia is 7,474 as of the 2023 American Community Survey, making it the 142nd-largest county in Georgia. The median household income is $50,484, the median home value is $122,100, and the median age is 43.9.
The population of Marion County has declined 12.7% since 2010 (8,741 → 7,635), a -0.96% annualized rate.
7,474
Population
-0.96%
Annual growth
20
People / sq mi
$50,484
Median Income
$122,100
Median Home Value
Marion County covers 366 sq mi of land at 20.4 people per square mile.
About Marion County, GA
Marion County is defined demographically by education — 13.6% of adults hold a bachelor’s degree, below the national average. With 7,474 residents, Marion County is a county in Georgia.
The typical household earns $50,484, below the US median of $78,538. Roughly 12.5% of residents fall below the poverty line, close to the national 12.4%. Homes are comparatively cheap — a median value of $122,100, with typical rent around $717.
Four-year-degree attainment is near the bottom of the range for US counties, 13.6%, below the national 35.0%. Around 6.8% of workers work from home, below the national 14.0%, and the average commute runs about 33 minutes each way.
Marion County Population History (2010-2024)
The county of Marion County had a population of 8,741 in 2010 and 7,635 in 2024, a -12.7% growth over 14 years. The peak was 8,741 in 2010. Average annual growth rate: -0.92%.
7,635
Population (2024)
8,741
Population (2010)
8,741
Peak (2010)
-0.92%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 8,741 |
| 2011 | 8,699 |
| 2012 | 8,672 |
| 2013 | 8,581 |
| 2014 | 8,636 |
| 2015 | 8,561 |
| 2016 | 8,490 |
| 2017 | 8,438 |
| 2018 | 8,392 |
| 2019 | 8,413 |
| 2020 | 7,528 |
| 2021 | 7,431 |
| 2022 | 7,464 |
| 2023 | 7,485 |
| 2024 | 7,635 |
Race & Ethnicity
| White | 59.1% |
| Black or African American | 28.8% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.9% |
| Two or More Races | 0.0% |
Age & Sex
43.9
Median Age
52.0%
Female
48.0%
Male
21.3%
Age 65+
Age Distribution
Children (under 15): 17.8% · Seniors (65+): 21.3%
Income & Poverty
| Median household income | $50,484$-24,180 vs state |
| Mean household income | $65,397 |
| Per-capita income | $27,096 |
| Poverty rate | 12.5%+2.6% vs state |
| Unemployment rate | 2.2% |
| Employment-to-population | 49.8% |
Top Industries by Employment
The largest employment sector in Marion County is manufacturing, accounting for 19.5% of workers.
How residents commute
0.4%
Drive alone
0.3%
Carpool
75.4%
Public transit
6.8%
Work from home
33.1 min
Avg commute
Housing
$122,100$-150,800 vs state
Median home value
$717
Median rent
77.1%
Homeownership rate
3,541
Total housing units
83.3%
Occupied
16.7%
Vacant
22.9%
Renter-occupied
Social & access
82.4%
With health insurance
84.8%
With broadband internet
23.9%
Foreign-born
10.2%
Veterans (18+)
22.0%
With a disability
91.3%
Speak language other than English at home
Education
76.2%
High School+
13.6%
Bachelor's+
Largest cities in Georgia
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County rankings
Frequently Asked Questions
Marion County, Georgia has a population of 7,474 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 142nd-largest county in Georgia. Population density is 20 people per square mile.
The population of Marion County has declined 12.7% since 2010 (8,741 → 7,635), a -0.96% annualized rate.
The median household income in Marion County, Georgia is $50,484, with mean (average) household income of $65,397 and per-capita income of $27,096. 12.5% of residents live below the federal poverty level.
In Marion County, the largest racial and ethnic groups are White (59.1%), Black or African American (28.8%), Hispanic or Latino (1.9%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Marion County, Georgia is 43.9 years. Residents are 52.0% female and 48.0% male.
The median home value in Marion County is $122,100 and median monthly rent is $717. 77.1% of occupied housing units are owner-occupied. The county has 3,541 total housing units, 16.7% of which are vacant.
The largest employment sector in Marion County, Georgia is manufacturing, employing 19.5% of workers. The unemployment rate is 2.2%.
Atlanta is among the largest cities associated with Marion County, Georgia, with a population of 499,287.
Marion County, GA Climate
Marion County, GA has an average annual temperature of 17.4°C (63°F) and receives about 1260 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
17.4°C
Avg Temp
1260
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 7° / 45° | 125 mm |
| February | 9° / 49° | 123 mm |
| March | 13° / 56° | 141 mm |
| April | 17° / 63° | 98 mm |
| May | 21° / 70° | 93 mm |
| June | 25° / 77° | 104 mm |
| July | 27° / 80° | 128 mm |
| August | 26° / 79° | 105 mm |
| September | 24° / 74° | 79 mm |
| October | 18° / 64° | 59 mm |
| November | 13° / 56° | 88 mm |
| December | 9° / 48° | 117 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Marion County, GA
The most comfortable months to visit Marion County, GA are typically May, October and September, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 33°C high). The coldest is January (near 1°C low). March is usually the wettest month.
Where to stay near Marion County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.