Union County, Georgia Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 76th-largest in Georgia
The population of Union County, Georgia is 25,598 as of the 2023 American Community Survey, making it the 76th-largest county in Georgia. The median household income is $65,697, the median home value is $272,600, and the median age is 55.9.
The population of Union County has grown 29.1% since 2010 (21,384 → 27,601), a +1.84% annualized rate.
25,598
Population
+1.84%
Annual growth
79
People / sq mi
$65,697
Median Income
$272,600
Median Home Value
Union County covers 322 sq mi of land at 79.5 people per square mile.
About Union County, GA
Union County skews on age — the median resident is 55.9, older than the national median. With 25,598 residents, Union County is a county in Georgia.
The typical household here earns about $65,697, below the US median of $78,538. About 7.3% of residents live below the federal poverty level, below the national 12.4%. A typical home is worth $272,600, with typical rent around $842.
Degree attainment is mid-range for US counties: 25.7% of adults hold a four-year degree, below the national 35.0%. About 9.9% of the workforce is home-based, below the national 14.0%, and the average commute runs about 22 minutes each way.
The age structure shapes everything downstream in Union County — from housing demand to the mix of working-age earners reflected in the income figures above.
Union County Population History (2010-2024)
The county of Union County had a population of 21,384 in 2010 and 27,601 in 2024, a 29.1% growth over 14 years. The peak was 27,601 in 2024. Average annual growth rate: 1.85%.
27,601
Population (2024)
21,384
Population (2010)
27,601
Peak (2024)
1.85%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 21,384 |
| 2011 | 21,265 |
| 2012 | 21,342 |
| 2013 | 21,440 |
| 2014 | 21,782 |
| 2015 | 22,029 |
| 2016 | 22,664 |
| 2017 | 23,406 |
| 2018 | 23,961 |
| 2019 | 24,606 |
| 2020 | 24,801 |
| 2021 | 25,605 |
| 2022 | 26,400 |
| 2023 | 27,115 |
| 2024 | 27,601 |
Race & Ethnicity
| White | 93.5% |
| Black or African American | 0.9% |
| Asian | 0.1% |
| Hispanic or Latino (any race) | 1.9% |
| Two or More Races | 0.0% |
Age & Sex
55.9
Median Age
50.4%
Female
49.6%
Male
33.9%
Age 65+
Age Distribution
Children (under 15): 12.5% · Seniors (65+): 33.9%
Income & Poverty
| Median household income | $65,697$-8,967 vs state |
| Mean household income | $93,705 |
| Per-capita income | $40,312 |
| Poverty rate | 7.3%-2.6% vs state |
| Unemployment rate | 1.6% |
| Employment-to-population | 43.7% |
Top Industries by Employment
The largest employment sector in Union County is professional & business services, accounting for 23.6% of workers.
How residents commute
0.5%
Drive alone
0.5%
Carpool
80.0%
Public transit
9.9%
Work from home
22.2 min
Avg commute
Housing
$272,600$-300 vs state
Median home value
$842
Median rent
82.7%
Homeownership rate
14,952
Total housing units
73.6%
Occupied
26.4%
Vacant
17.3%
Renter-occupied
Social & access
87.3%
With health insurance
91.5%
With broadband internet
55.5%
Foreign-born
11.4%
Veterans (18+)
21.0%
With a disability
96.3%
Speak language other than English at home
Education
88.8%
High School+
25.7%
Bachelor's+
Largest cities in Georgia
Other counties in Georgia
Part of Georgia
Metro areas in Georgia
County rankings
Frequently Asked Questions
Union County, Georgia has a population of 25,598 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 76th-largest county in Georgia. Population density is 79 people per square mile.
The population of Union County has grown 29.1% since 2010 (21,384 → 27,601), a +1.84% annualized rate.
The median household income in Union County, Georgia is $65,697, with mean (average) household income of $93,705 and per-capita income of $40,312. 7.3% of residents live below the federal poverty level.
In Union County, the largest racial and ethnic groups are White (93.5%), Hispanic or Latino (1.9%), Black or African American (0.9%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Union County, Georgia is 55.9 years. Residents are 50.4% female and 49.6% male.
The median home value in Union County is $272,600 and median monthly rent is $842. 82.7% of occupied housing units are owner-occupied. The county has 14,952 total housing units, 26.4% of which are vacant.
The largest employment sector in Union County, Georgia is professional, scientific, and management services, employing 23.6% of workers. The unemployment rate is 1.6%.
Atlanta is among the largest cities associated with Union County, Georgia, with a population of 499,287.
Union County, GA Climate
Union County, GA has an average annual temperature of 12.4°C (54°F) and receives about 1670 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
12.4°C
Avg Temp
1670
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 2° / 36° | 157 mm |
| February | 4° / 39° | 148 mm |
| March | 8° / 46° | 178 mm |
| April | 12° / 54° | 134 mm |
| May | 16° / 61° | 142 mm |
| June | 20° / 68° | 126 mm |
| July | 22° / 71° | 140 mm |
| August | 21° / 71° | 130 mm |
| September | 19° / 65° | 124 mm |
| October | 13° / 55° | 110 mm |
| November | 8° / 47° | 136 mm |
| December | 4° / 39° | 145 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 Union County, GA
The most comfortable months to visit Union County, GA are typically August, June and July, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 28°C high). The coldest is January (near -3°C low). March is usually the wettest month.
Where to stay near Union County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.