Population
793,345
2025
+3.5% since 2020
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. Resident population, July 1 estimate.
Cobb County, GA: population growth, jobs and income
Cobb County gained 4,466 residents between 2024 and 2025 (+0.6%).
Cobb County had an estimated 793,345 residents in 2025, up 3.5% (26,960 more people) since 2020. That is slower than Georgia as a whole (+5.3%), and the 75th fastest growth of 159 counties in Georgia.
Data as of 2025 · updated
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In the Cobb County report
One-time $99 PDF: everything on this page for Cobb County, ranked against Georgia and the U.S., plus these figures that are not on the free page:
- Median gross rent$1,730/mo2020–24
- Vacant homes, incl. seasonal and second homes5.9%2020–24
- New homes permitted, last 12 months2,0652025-10/2026-09
- Rent growth, 5 yearsIn the report
- Permits in 5+ unit buildingsIn the report
- IRS income moving in (net AGI)In the report
- Neighbouring-county comparison tableIn the report
What's inside: 5 pages
- 1 Summary, headline numbers and ranks (free preview)
- 2 Ranks and the neighbouring-county table
- 3 Migration, with IRS mover and income flows
- 4 Rent, vacant homes, permits and employers
- 5 Every source and the methods
Headline numbers
Net domestic migration
−4,260
2025
−5.4 per 1,000 residents
−18,165 in total, 2021–2025
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2025), 2025. People moving in from other U.S. counties minus people moving out.
Unemployment rate
3.2%
2025
+0.0 pts since 2019
Source: U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics, 2025. Annual average unemployment rate.
New homes permitted
1,787
2025
−45.0% since 2021
2.3 per 1,000 residents
Source: U.S. Census Bureau, Building Permits Survey, 2025. Housing units authorized by building permits in the year.
Median household income
$102,738
2020–24
+27.1% since 2016–20
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2020–24. American Community Survey 5-year estimate.
Private-sector employment
376,117
2023
+6.1% since 2018
Source: U.S. Census Bureau, County Business Patterns, 2023. Paid employees of private employers in mid-March (County Business Patterns).
What the numbers say
Net domestic migration was negative in 2025: 4,260 more people moved out to other U.S. counties than moved in.
Private employers had 376,117 paid employees in mid-March 2023, +6.1% since 2018 (County Business Patterns).
Unemployment averaged 3.2% in 2025.
Builders were authorized to start 1,787 new homes in 2025, or 2.3 per 1,000 residents.
Median household income was $102,738 in the 2020–24 American Community Survey, +27.1% since 2016–20.
Across the 3,107 U.S. counties with a comparable estimate, its population growth ranks 866th.
Part of the Atlanta-Sandy Springs-Roswell, GA metro area.
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Cobb County population by year
| Year | Population | Change |
|---|---|---|
| 2025 | 793,345 | +4,466 |
| 2024 | 788,879 | +7,444 |
| 2023 | 781,435 | +6,954 |
| 2022 | 774,481 | +7,445 |
| 2021 | 767,036 | +651 |
| 2020 | 766,385 | – |
Census Bureau population estimates, July 1 of each year.
What drove the change in Cobb County
Cobb County grew by 26,960 people since 2020 even though 18,165 more residents moved to other U.S. counties than came from them: births outnumbered deaths by 17,568, and net international migration added 27,656.
| Component | 2025 | 2020–25 | Share |
|---|---|---|---|
| Natural changebirths minus deaths | +3,710 | +17,568 | |
| International migrationfrom and to other countries | +4,965 | +27,656 | |
| Domestic migrationfrom and to other U.S. counties | −4,260 | −18,165 | |
| Census adjustmentbalancing residual | +51 | −99 | |
| Total change | +4,466 | +26,960 |
Census Bureau population estimates, components of change, each year July 1 to June 30. The components add up to the change in the estimate; the Census adjustment is the small balancing figure the Bureau publishes.
How it ranks
| Measure | In Georgia | Among U.S. counties |
|---|---|---|
| Population growth | 75th of 159 | 866th of 3,107 |
| Net domestic migration per 1,000 residents | 142nd of 159 | 2,589th of 3,108 |
| Private-sector job growth | 95th of 158 | 1,079th of 3,092 |
| Median household income | 6th of 159 | 148th of 3,107 |
| Lowest unemployment rate | 38th of 159 | 546th of 3,108 |
| New homes permitted per 1,000 residents | 106th of 156 | 1,422nd of 3,005 |
1st = highest (lowest for unemployment). Counties are ranked only against others with a figure for the same period.
Get the county report — $99
The County Growth and Demographics Report for Cobb County, GA as a PDF, from federal data: population and migration, housing and rents, permits, private employers and jobs, unemployment, ranks in the state and the country, and neighbouring counties, with a source next to every number. Pay once, no subscription.
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Neighbouring counties
Over 2020–25, Cobb County's population change (+3.5%) was ahead of 1 of its 5 neighbouring counties and behind 4.
Only Cherokee County had a higher median household income (2020–24) among its 5 neighbouring counties; Cobb County's was $102,738.
| County | Population2025 | Population change2020–25 | Net domestic migration per 1,000 residents2025 | Homes permitted per 1,000 residents2025 | Median household income2020–24 |
|---|---|---|---|---|---|
| Cobb County, GA This county | 793,345 | +3.5% | −5.4 | 2.3 | $102,738 |
| Fulton County, GA | 1,098,791 | +2.7% | −2.8 | 8.8 | $95,292 |
| Douglas County, GA | 154,293 | +6.6% | 9.5 | 5.2 | $82,984 |
| Paulding County, GA | 190,996 | +12.7% | 10.3 | 6.9 | $98,031 |
| Cherokee County, GA | 299,273 | +11.6% | 11.0 | 5.1 | $108,115 |
| Bartow County, GA | 120,800 | +10.5% | 21.0 | 8.5 | $82,243 |
Census Bureau population estimates and building permits, American Community Survey 5-year income. Rates per 1,000 residents. – means no figure, or a base too small for a change or rate (it would swing on a few people). A figure from another period shows its year and is left out of the comparison.
Questions
Is Cobb County growing?
Yes. Its population grew 3.5% between 2020 and 2025, about 26,960 more people (Census Bureau population estimates). Georgia as a whole changed +5.3% over the same years. That ranks 75th of 159 counties in Georgia for population growth.
How many people moved to Cobb County?
On net, none in 2025: about 4,260 more people moved out to other U.S. counties than moved in (Census Bureau net domestic migration estimate).
What is the unemployment rate in Cobb County?
It averaged 3.2% in 2025 (BLS Local Area Unemployment Statistics, annual average).
What is the population of Cobb County?
About 793,345 people, according to the U.S. Census Bureau's population estimate for July 1, 2025.
How many jobs are in Cobb County?
Private employers there had 376,117 paid employees in mid-March 2023, +6.1% since 2018 (Census Bureau County Business Patterns; government jobs and the self-employed are not counted).
What Beacon CRE covers in Georgia
Map, parcel and listing layers cover North and South Carolina only for now. This page and the other Georgia county pages carry the public federal growth figures.
Cobb County data alerts
Email me when Cobb County gets new Census numbers: population, building permits, jobs and income. About 4 emails a year, one click to stop.
Sources and method
- U.S. Census Bureau, Population Estimates Program (Vintage 2025)
- U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics
- U.S. Census Bureau, Building Permits Survey
- U.S. Census Bureau, American Community Survey 5-year estimates
- U.S. Census Bureau, County Business Patterns
Each number shows its own period. Changes compare the latest period with five years earlier (or the earliest period available). Beacon CRE last refreshed these figures on 2026-11-05. Figures come from public federal statistics and are informational only, not investment advice. Check the source before relying on a number. Methodology: how we compute every number. More on every layer: data sources and licences.
Jobs outside North and South Carolina use County Business Patterns (paid private-sector employees in mid-March); wages and government jobs are not included.