Cobb County, Georgia: Diversifying Metro county. In 2024, voted D+15%. Democratic peak: D+86 in 1932.
Key facts
- 2024 presidential margin
- D+15MIT Election Lab
- Political typology
- Diversifying MetroAkashic typology
- Population
- 775,2082024 5-year
- Median household income
- $102,7382024 5-year
- White (non-Hispanic)
- 49.0%2024 5-year
- Black
- 26.7%2024 5-year
- Hispanic / Latino
- 15.1%2024 5-year
- Peak Democratic margin
- D+86 in 1932MIT Election Lab
- Peak Republican margin
- R+70 in 1972MIT Election Lab
- Most similar
- Gwinnett County, GA · similarity 0.99
2024 results by precinct
2024 precinct map of Cobb CountyPrecinct-level 2024 presidential results for Cobb County, with each precinct boundary colored by Democratic-vs-Republican margin.
—
Margin—
Turnout—
Harris +50Trump +50
Real precinct boundaries. Hover for vote totals.
presidential history
Presidential margin, 1876–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1876 | No data |
| 1880 | No data |
| 1884 | No data |
| 1888 | No data |
| 1892 | +42.8% |
| 1896 | +28.1% |
| 1900 | +53.6% |
| 1904 | +55.5% |
| 1908 | +20.9% |
| 1912 | +73.7% |
| 1916 | +69.5% |
| 1920 | +4.9% |
| 1924 | +52.3% |
| 1928 | −9.1% |
| 1932 | +86.1% |
| 1936 | +59.6% |
| 1940 | +63.4% |
| 1944 | +57.5% |
| 1948 | +45.7% |
| 1952 | +42.0% |
| 1956 | +26.5% |
| 1960 | +22.1% |
| 1964 | −11.2% |
| 1968 | −21.9% |
| 1972 | −70.2% |
| 1976 | +13.5% |
| 1980 | −13.4% |
| 1984 | −54.8% |
| 1988 | −45.9% |
| 1992 | −20.2% |
| 1996 | −20.2% |
| 2000 | −22.9% |
| 2004 | −24.8% |
| 2008 | −9.4% |
| 2012 | −12.4% |
| 2016 | +2.2% |
| 2020 | +14.3% |
| 2024 | +14.8% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 228,404 | 168,679 | 404,859 | ||
| D | 221,846 | 165,459 | 393,746 | ||
| D | 160,121 | 152,912 | 334,058 | ||
| R | 133,124 | 171,722 | 310,835 | ||
| R | 141,216 | 170,957 | 315,444 | ||
| R | 103,955 | 173,467 | 280,061 | ||
| R | 86,676 | 140,494 | 235,027 | ||
| R | 73,750 | 114,188 | 200,573 | ||
| R | 63,960 | 103,734 | 197,131 | ||
| R | 39,297 | 106,621 | 146,658 | ||
| R | 28,414 | 97,429 | 125,843 | ||
| R | 39,157 | 51,977 | 95,816 | ||
| D | 45,002 | 34,324 | 79,326 | ||
| R | 7,688 | 43,977 | 51,665 | ||
| R | 8,755 | 18,649 | 45,209 | ||
| R | 16,647 | 20,863 | 37,511 | ||
| D | 12,906 | 8,240 | 21,146 | ||
| D | 11,696 | 6,798 | 18,494 | ||
| D | 10,182 | 4,163 | 14,345 | ||
| D | 4,766 | 1,524 | 7,098 | ||
| D | 5,000 | 1,349 | 6,349 | ||
| D | 4,447 | 992 | 5,448 | ||
| D | 2,802 | 707 | 3,515 | ||
| D | 3,079 | 218 | 3,321 | ||
| R | 1,426 | 1,711 | 3,137 | ||
| D | 1,360 | 362 | 1,910 | ||
| D | 1,208 | 1,095 | 2,303 | ||
| D | 1,750 | 137 | 2,321 | ||
| D | 1,519 | 41 | 2,005 | ||
| D | 889 | 548 | 1,630 | ||
| D | 1,171 | 220 | 1,712 | ||
| D | 1,156 | 311 | 1,576 | ||
| D | 1,387 | 758 | 2,238 | ||
| D | 1,794 | 564 | 2,873 | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
English
12.4%
German
8.0%
Irish
7.8%
American
4.3%
Italian
3.5%
Scottish
2.1%
Polish
1.5%
African American
21.4%
Multiple ancestry combinations reported; no single grouping above 1%.
American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
2024 ACS
Age distribution by sex
Median age: 37.5 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Median household income
Inflation-adjusted dollars
$102,738
Cobb County ranks in the top 5% of US counties.
Cobb County$102,738
Georgia$77,353
United States$80,734
Cobb County ranks in the top 5% of US counties by median household income.
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
8.7%
Child poverty is below the national average.
Children under 1811.0%
Working age (18–64)8.0%
Seniors (65+)9.9%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
78.1%
speak English only
Spanish12.1%
Other Indo-European5.3%
Asian & Pacific Islander2.7%
Other languages1.8%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 44.8% of residents not counted as adherents by any reporting body.
Cobb County, once a reliably Republican anchor of metro Atlanta, recorded a 14.9-point Democratic margin in 2024, reflecting a college-educated suburban realignment that has reshaped Georgia's competitive statewide map.
The Democratic margin here reached eighty-six points in 1932. The 2024 margin was fifteen points.
A population of 775,208, a 49% non-Hispanic-white share, and a median household income of $102,738 describe the county. The county's voting pattern over the last decade is most similar to that of Gwinnett County and Frederick County.
Most similar counties
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Cobb County, Georgia. Akashic. https://akashic.app/county/13067/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More diversifying metro counties
Frequently asked questions
How did Cobb County, Georgia vote in 2024?
In 2024, Cobb County, Georgia voted Democratic by 14.8 points (D+15), carried by the Democratic candidate. Out of 404,859 votes cast, 228,404 went Democratic and 168,679 went Republican.
What is Cobb County, Georgia's political typology?
Akashic places Cobb County, Georgia in the "Diversifying Metro" typology — Mid-size metropolitan counties growing more diverse and trending Democratic. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 38 elections in the dataset, the county has voted Democratic 21 times, Republican 13 times, and other 0 times.
When did Cobb County, Georgia last vote Republican?
The most recent presidential election in which Cobb County, Georgia voted Republican was 2012.
How many people live in Cobb County, Georgia?
Cobb County, Georgia has a population of 775,208 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Cobb County, Georgia?
Median household income in Cobb County, Georgia is $102,738 — above the national median of $80,734. The Georgia state median is $77,353.
What is the political history of Cobb County, Georgia?
Akashic tracks 38 presidential elections in Cobb County, Georgia from 1876 to 2024. Of those, 21 went Democratic and 13 went Republican. The county's typology — "Diversifying Metro" — captures where that record, its demographics, and its recent swing place it among American communities.