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Atlanta-Sandy Springs-Roswell, GA

Cost of living in Rockdale County, GA

Part of the Atlanta Metro Area

Estimated monthly cost
$3,722/mo
for a single person, all categories combined

Population 94,293 · Last updated May 21, 2026

Cost breakdown

Single person, by category, per month.

Rent $1,653 44%
Federal tax $499 13%
Healthcare $480 13%
Groceries $324 9%
Transport $320 9%
Energy $205 6%
State tax $186 5%
Water $55 1%

Rent in Rockdale 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 Rockdale County

Annual earnings figures from the Census ACS.

Household income
$72,349
per year
Individual earnings
$40,563
per year
Per capita
$34,548
per year

Source: ACS 2019-2023 5-Year.

Home values in Rockdale County

Average values reported by homeowners.

Average home value
$256,600
Annual property tax
$1,843

Source: ACS 2019-2023 5-Year

Energy costs in Rockdale 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 Rockdale County

Insurance premiums and coverage rates.

Individual premium
$480
per month
Family premium
$1,350
per month
Uninsured rate
14.1%

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 Rockdale 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 Rockdale County

Commute patterns and estimated costs.

Average commute
34.7 min
Drive alone
74.8%
Public transit
0.3%
Work from home
12.1%

Source: ACS

Monthly cost estimates for Rockdale County

What it costs to live in Rockdale County each month.

Single person
$3,722
per month
  • Rent $1,653
  • Energy $205
  • Water $55
  • Groceries $324
  • Transport $320
  • Healthcare $480
  • Federal tax $499
  • State tax $186
Couple
$5,147
per month
  • Rent $1,830
  • Energy $246
  • Water $65
  • Groceries $537
  • Transport $420
  • Healthcare $864
  • Federal tax $854
  • State tax $331
Family
$7,658
per month
  • Rent $2,205
  • Energy $308
  • Water $75
  • Groceries $815
  • Transport $520
  • Healthcare $1,350
  • Childcare $1,200
  • Federal tax $854
  • State tax $331

Frequently asked questions about Rockdale County

Common questions about cost of living, rent and salary.

What is the average rent in Rockdale County?

In Rockdale 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 Rockdale County?

In Rockdale County, GA, the average household income is $72,349 per year and individual earnings for full-time workers average $40,563 per year, according to U.S. Census Bureau data.

What is the cost of living in Rockdale County?

The estimated cost of living in Rockdale County, GA is approximately $3,722 per month for a single person, $5,147 for a couple, $7,658 for a family. This includes rent, utilities, groceries, transportation, healthcare, and taxes.

What is the sales tax rate in Rockdale County?

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

Is Rockdale County an affordable place to live?

Based on the data, a single person in Rockdale County, GA would need approximately $3,722 per month to cover rent, utilities, food, transport, healthcare, and taxes. The average household income is $72,349 per year ($6,029 per month). Rockdale County has a moderate cost of living relative to local earnings.

How much does healthcare cost in Rockdale County?

The ACA marketplace benchmark premium in Rockdale County, GA is approximately $480 per month for an individual. Approximately 14.1% of residents are uninsured. Actual costs vary based on employer coverage, plan type, and individual circumstances.

What are house prices in Rockdale County?

The average home value in Rockdale County, GA is $256,600, with average annual property taxes of $1,843, according to U.S. Census Bureau data.

How does Rockdale County compare to other areas?

You can compare Rockdale County, GA with any other US county using our comparison tool at /compare. Rockdale 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 Rockdale 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