Cobb County, GA demographics:
population, income, and more

Total population
775,208
0.8% year-over-year change
Median household income
$102,738/yr
4.1% year-over-year change
Housing units
314,104
0.8% year-over-year change

Cobb County population

How many people live in Cobb County

Cobb County is home to 775,208 residents, according to the most recent Census data. Gender-wise, 48.8% of Cobb County locals are male, and 51.2% are female.

Total population
775,208
0.8% year-over-year change
Gender ratio
Male
48.8%
377,929
Female
51.2%
397,279
Value Percent YoY change
Male 377,929 48.8% 0.8%
Female 397,279 51.2% 0.7%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Cobb County is 38, with the population distributed as follows: about 18.3% are children under 15, then 13.3% are in the 15 to 24 age group. Adults between 25 and 44 make up 28.8% of the population, while another 25.9% fall into the 45 to 64 bracket. Finally, around 13.6% are 65 or older.

Median age
37.5
Age breakdown
Under 15
18.3%
15 to 24
13.3%
25 to 44
28.8%
45 to 64
25.9%
Over 65
13.6%
Value Percent YoY change
Under 15 142,166 18.3% -0.9%
15 to 24 103,202 13.3% 1.1%
25 to 44 223,010 28.8% 0.9%
45 to 64 201,012 25.9% 0.1%
Over 65 105,818 13.6% 3.9%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Cobb County, 81.8% of the population are US-born citizens, while 9.7% have gained naturalized citizenship. At the same time, 8.6% of residents are non-citizens. As for race, 49% of locals are Caucasian, 26.7% are African American and 5.5% have Asian roots. There’s also a share of 10.4% that includes residents with two or more races.

Citizenship
U.S.-born citizens
81.8%
Non-U.S.-born citizens
9.7%
Non-citizens
8.6%
Value Percent YoY change
U.S.-born citizens 633,753 81.8% 0.7%
Non-U.S.-born citizens 75,102 9.7% 2.9%
Non-citizens 66,353 8.6% -0.7%
Racial breakdown
White
49%
Black or African American
26.7%
American Indian and Alaska Native
0.5%
Asian
5.5%
Native Hawaiian and other Pacific Islander
0%
Two or more races
10.4%
Other
7.8%
Value Percent
White 379,724 49%
Black or African American 207,116 26.7%
American Indian and Alaska Native 3,827 0.5%
Asian 42,571 5.5%
Native Hawaiian and other Pacific Islander 396 0%
Two or more races 80,882 10.4%
Other 60,692 7.8%

Households in Cobb County

A peek inside Cobb County households

Cobb County has 295,714 households, with an average of 3 members in each. Of these, 66.3% are families, while the remaining 33.7% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
295,714
0.8% year-over-year change
Average people per household
3
Non-family households
99,595
Family households
196,119
Value Percent YoY change
Non-family households 99,595 33.7% 0.6%
Family households 196,119 66.3% 0.9%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Cobb County

The housing landscape of Cobb County

Cobb County's housing consists of 314,104 units, with 65.1% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 9.1% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 0.9% of the housing landscape.

Housing units
314,104
0.8% year-over-year change
Housing types
Value Percent
1 unit, detached 204,364 65.1%
1 unit, attached 28,661 9.1%
2 units 1,850 0.6%
3 or 4 units 6,389 2%
5 to 9 units 14,245 4.5%
10 to 19 units 23,875 7.6%
20 to 49 units 14,164 4.5%
50 or more units 17,393 5.5%
Mobile home 2,906 0.9%
Boat, RV, van, etc. 257 0.1%
Homes built since 2020
5,838
63.3% year-over-year change

The age of buildings in Cobb County

In Cobb County, the median construction year is 1990. About 0.8% of homes were built before the 1940s, with another 0.7% going up by 1949. Most development happened in the second half of the 20th century. Then, 18.3% of homes were added from 2000 to 2009, 10.8% between 2010 and 2019, and 1.9% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 2,465 0.8% -7.0%
Built between 1940 and 1949 2,314 0.7% -8.7%
Built between 1950 and 1959 12,069 3.8% -2.4%
Built between 1960 and 1969 23,320 7.4% -0.8%
Built between 1970 and 1979 44,727 14.2% -3.0%
Built between 1980 and 1989 74,972 23.9% -0.7%
Built between 1990 and 1999 57,072 18.2% -3.1%
Built between 2000 and 2009 57,503 18.3% 1.9%
Built between 2010 and 2019 33,824 10.8% 12.9%
Built in 2020 or later 5,838 1.9% 63.3%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Cobb County occupancy rates

Out of the 295,714 occupied housing units in Cobb County, 67% are owner-occupied, while 33% are lived in by tenants. Meanwhile, 5.9% of all homes on the local market sit vacant.

Occupied housing units
295,714
0.8% year-over-year change
Occupancy breakdown
Renter occupied
97,524
Owner occupied
198,190
Value Percent YoY
change
Renter occupied 97,524 33% 0.7%
Owner occupied 198,190 67% 0.8%
Unoccupied housing units
5.9%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Cobb County housing costs

Housing costs in Cobb County come to a median of $1,692 per month, while tenants specifically pay a median gross rent of $1,730.

Median housing costs per month
$1,692/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Cobb County
$1,730/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Cobb County

Cobb County education at a glance

About 23.3% of the population in Cobb County went to high school, while 19.7% pursued college studies. Another 6.8% earned an associate degree and 29.8% hold a bachelor’s. Meanwhile, 16.9% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 21,305 3.6% -1.1%
High school diploma 139,857 23.3% 1.4%
College diploma 117,992 19.7% -0.6%
Associate degree 40,628 6.8% 1.4%
Bachelor's degree 178,918 29.8% 1.3%
Graduate degree 101,541 16.9% 3.4%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Cobb County

How much people earn in Cobb County

The average annual household income in Cobb County was $136,477 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +3.4% change from the previous year. At the same time, the median income stood at $102,738, reflecting a +4.1% shift over the same period.

Average household income in Cobb County
$136,477/year
3.4% year-over-year change
Median household income in Cobb County
$102,738/year
4.1% year-over-year change

Cobb County income by age

In Cobb County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $111,306. Those with someone between 45 and 64 in charge, often well established professionally, earn $125,012 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $54,643, while those led by someone over 65, many of whom may be retired, have about $71,145 in earnings. Overall, 91.3% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $54,643 5.4%
25 - 44 $111,306 6.6%
45 - 64 $125,012 5.3%
Over 65 $71,145 -0.4%
Above poverty level
690,291
Below poverty level
66,137
Value Percent YoY
change
Above poverty level 690,291 91.3% 0.7%
Below poverty level 66,137 8.7% 3.5%

Employment in Cobb County

Workforce and job types in Cobb County

The job market in Cobb County is powered by 417,388 working residents, spread across a range of industries and roles. 83.1% of the working population are employed in professional or administrative positions, while 16.9% are in hands-on or service-based jobs. Also, 11.2% run their own businesses, 70.9% are employed by private companies, and 10.3% work in the public sector.

Workforce demographics

Working population
417,388
1.1% year-over-year change
White collar
346,817
Blue collar
70,571
Value Percent YoY change
White collar 346,817 83.1% 1.4%
Blue collar 70,571 16.9% -0.7%
Employer type
Self employees
11.2%
Private companies
70.9%
Governmental workers
10.3%
Not for profit companies
7.6%
Value Percent YoY change
Self employees 46,802 11.2% 2.8%
Private companies 295,916 70.9% 0.2%
Governmental workers 43,065 10.3% 4.1%
Not for profit companies 31,605 7.6% 2.9%
Unemployment rate
4.5%
0.8% year-over-year change

Available workforce

The unemployment rate in Cobb County stands at 4.5%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Cobb County

How people get around in Cobb County

In Cobb County, the average commute time is 29 minutes. Commuting methods vary: 72.4% of residents travel by personal vehicle and 1.1% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
29 min
-0.3% year-over-year change
Means of transportation
Value Percent YoY change
Car 296,030 72.4% -2.2%
Taxicab 2,811 0.7% -6.0%
Bus or trolleybus 1,890 0.5% -6.2%
Subway or elevated 155 0% N/A
Railroad 116 0% 6.4%
Ferryboat 87 0% 171.9%
Motorcycle 400 0.1% 12.0%
Bicycle 171 0% 40.2%
Walk 4,448 1.1% -5.5%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Cobb County by zipcode?

Zipcode Population Number of households Median income Average income
30008 35,547 11,705 $74,877 $89,342
30060 38,499 12,963 $67,510 $93,612
30062 62,284 23,211 $132,631 $165,219
30064 52,125 18,771 $122,195 $155,567
30066 61,761 22,852 $116,074 $144,009
30067 47,271 19,463 $83,568 $132,098
30068 33,882 12,849 $150,101 $192,679
30075 56,263 21,548 $157,335 $202,109
30080 53,316 24,950 $91,957 $127,616
30082 27,296 11,050 $120,372 $163,660

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FAQs about Cobb County demographics 

What is the total population of Cobb County?

Cobb County has a total population of 775,208 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +0.8% compared to a year ago.

What is the gender ratio in Cobb County?

The gender ratio in Cobb County is as follows:
  • 48.8% males (377,929 residents)
  • 51.2% females (397,279 residents)

What is the median age in Cobb County?

The median age in Cobb County is 37.5.

What is the age distribution of the population in Cobb County?

The age distribution in Cobb County is as follows:
  • Under 15: 18.3% (142,166 residents)
  • Ages 15-24: 13.3% (103,202 residents)
  • Ages 25-44: 28.8% (223,010 residents)
  • Ages 45-64: 25.9% (201,012 residents)
  • Over 65: 13.6% (105,818 residents)

What is the racial and ethnic makeup of Cobb County?

The racial and ethnic makeup of Cobb County is as follows:
  • White: 49% (379,724 residents)
  • Black or African American: 26.7% (207,116 residents)
  • American Indian and Alaska Native: 0.5% (3,827 residents)
  • Asian: 5.5% (42,571 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (396 residents)
  • Two or More Races: 10.4% (80,882 residents)
  • Other: 7.8% (60,692 residents)

What percentage of the population in Cobb County are U.S.-born citizens?

U.S.-born citizens represent 81.8% of the population in Cobb County.

How many housing units are there in Cobb County?

There are 314,104 housing units in Cobb County, reflecting a +0.8% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Cobb County and what is the average household size?

Cobb County has a total of 295,714 households, with an average of 3 people in each.

What is the median household income in Cobb County?

Cobb County has a median household income of $102,738, representing a +4.1% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Cobb County?

The employment rate is 95.5% in Cobb County, with a workforce of 417,388 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 83.1% (346,817 residents)
  • Blue-collar workers: 16.9% (70,571 residents)

Places of employment:
  • Self-employed: 11.2% (46,802 residents)
  • Private companies: 70.9% (295,916 residents)
  • Governmental workers: 10.3% (43,065 residents)
  • Not-for-profit companies: 7.6% (31,605 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025