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Atlanta-Sandy Springs-Roswell, GA

Cost of living in Cobb County, GA

Part of the Atlanta Metro Area

Estimated monthly cost
$3,879/mo
for a single person, all categories combined

Population 769,152 · Last updated May 21, 2026

Cost breakdown

Single person, by category, per month.

Rent $1,653 43%
Federal tax $677 17%
Healthcare $480 12%
Groceries $324 8%
Transport $250 6%
State tax $235 6%
Energy $205 5%
Water $55 1%

Rent in Cobb County

Fair Market Rents by bedroom count.

Studio
$1,591
per month
1 bedroom
$1,653
per month
2 bedroom
$1,830
per month
3 bedroom
$2,205
per month
4 bedroom
$2,653
per month

Source: HUD FMR FY2025

Income and earnings in Cobb County

Annual earnings figures from the Census ACS.

Household income
$98,712
per year
Individual earnings
$51,440
per year
Per capita
$50,975
per year

Source: ACS 2019-2023 5-Year.

Home values in Cobb County

Average values reported by homeowners.

Average home value
$373,700
Annual property tax
$2,560

Source: ACS 2019-2023 5-Year

Energy costs in Cobb County

Estimated monthly electricity and gas costs.

Electricity
$163
per month · 14.8¢/kWh
Natural gas
$42
per month
Annual total
$2,460
per year

Source: EIA

Healthcare in Cobb County

Insurance premiums and coverage rates.

Individual premium
$480
per month
Family premium
$1,350
per month
Uninsured rate
12.2%

Source: ACS + national avg. Marketplace benchmark premiums are second-lowest Silver plan estimates and do not reflect employer plans, subsidies, or out-of-pocket costs. This is not healthcare advice.

Taxes in Cobb County

State and local tax rates for Georgia.

State income tax
5.5%
Flat rate
State sales tax
4.0%
Combined sales tax
7.4%
incl. average local

Tax rates change. Consult a qualified tax professional for advice on your specific situation. This is not tax advice.

Transportation in Cobb County

Commute patterns and estimated costs.

Average commute
29.5 min
Drive alone
67.4%
Public transit
0.6%
Work from home
21.1%

Source: ACS

Monthly cost estimates for Cobb County

What it costs to live in Cobb County each month.

Single person
$3,879
per month
  • Rent $1,653
  • Energy $205
  • Water $55
  • Groceries $324
  • Transport $250
  • Healthcare $480
  • Federal tax $677
  • State tax $235
Couple
$5,630
per month
  • Rent $1,830
  • Energy $246
  • Water $65
  • Groceries $537
  • Transport $350
  • Healthcare $864
  • Federal tax $1,286
  • State tax $452
Family
$8,141
per month
  • Rent $2,205
  • Energy $308
  • Water $75
  • Groceries $815
  • Transport $450
  • Healthcare $1,350
  • Childcare $1,200
  • Federal tax $1,286
  • State tax $452

Frequently asked questions about Cobb County

Common questions about cost of living, rent and salary.

What is the average rent in Cobb County?

In Cobb County, GA, a one-bedroom apartment averages $1,653 per month, a two-bedroom averages $1,830 per month, a three-bedroom averages $2,205 per month, according to HUD Fair Market Rent data.

What is the average salary in Cobb County?

In Cobb County, GA, the average household income is $98,712 per year and individual earnings for full-time workers average $51,440 per year, according to U.S. Census Bureau data.

What is the cost of living in Cobb County?

The estimated cost of living in Cobb County, GA is approximately $3,879 per month for a single person, $5,630 for a couple, $8,141 for a family. This includes rent, utilities, groceries, transportation, healthcare, and taxes.

What is the sales tax rate in Cobb County?

The combined sales tax rate in Cobb County, GA is 7.38%, which includes the Georgia state rate of 4.00% plus an average local rate of 3.38%.

Is Cobb County an affordable place to live?

Based on the data, a single person in Cobb County, GA would need approximately $3,879 per month to cover rent, utilities, food, transport, healthcare, and taxes. The average household income is $98,712 per year ($8,226 per month). Cobb County is relatively affordable compared to the national average.

How much does healthcare cost in Cobb County?

The ACA marketplace benchmark premium in Cobb County, GA is approximately $480 per month for an individual. Approximately 12.2% of residents are uninsured. Actual costs vary based on employer coverage, plan type, and individual circumstances.

What are house prices in Cobb County?

The average home value in Cobb County, GA is $373,700, with average annual property taxes of $2,560, according to U.S. Census Bureau data.

How does Cobb County compare to other areas?

You can compare Cobb County, GA with any other US county using our comparison tool at /compare. Cobb County is in the Atlanta-Sandy Springs-Roswell, GA metro area.

Other counties in Georgia

Browse the full list of counties in Georgia, ranked by cost of living.

See all counties in Georgia

Compare Cobb County with another area

Put two counties side by side to see how rent, taxes and everyday costs stack up.

About this data

All figures on this page come from official U.S. government sources, listed below.

  • HUD FMR FY2025
  • ACS 2019-2023 5-Year
  • EIA
  • ACS + national avg
  • ACS
  • USDA + BEA RPP
Methodology All data sources