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County · Georgia

Cobb County

Cobb County is a county in Georgia. It pays for jails, public works, fire protection and parks. In fiscal year 2024, Cobb County collected $909.6M in taxes and spent $1,109.1M.

Collected and spent

In fiscal year 2024, Cobb County collected $909.6M in taxes and spent $1,109.1M.

Collected
$909.6M
Fiscal year 2024 · taxes
Spent
$1,109.1M
Fiscal year 2024

Where the money comes from

One tax.

Property tax
8.46 mills
Source · Georgia Department of Revenue, Local Government Services, Georgia Department of Revenue 2024 certified county millage rate table — Cobb County government 8.46 mills. Read on June 9, 2026.
DetailsGeorgia Department of Revenue 2024 certified county millage rate table — Cobb County government 8.46 mills (county fire district 2.990 is a separate service-district row, excluded)

Where it goes

Ten service lines.

Corrections
$279.2M
General government
$233.3M
Public works · Capital outlay
$200.9M
Fire
$135.6M
Parks and recreation
$74.4M
Other · Intergovernmental
$58.7M
Debt service · past obligation
$38.9M
Other · Housing and development
$34.8M
Public works
$34.6M
Health and human services
$18.5M

Bars in both tables share one scale. Hatched lines pay for past obligations, not current services.

Source · Cobb County FY2024 Annual Comprehensive Financial Report. Read on May 27, 2026.
DetailsCobb County FY2024 Annual Comprehensive Financial Report — audited Governmental Funds Statement, Total Governmental Funds column (page 30). Cobb is the NORTH-WEST Atlanta-metro core county (Marietta, Smyrna, Kennesaw, Acworth) — entirely suburban; no Atlanta city overlap

Who decides

The 5 commissioners are the county board. In July 2026 they passed the 2027 budget and the 2026 tax rate. A County Manager runs daily work. 5 Commissioners. Districts choose 4 and all county voters choose the Chair.

Lisa Cupid
Commissioner, at large
Next election
November 7, 2028
Keli Gambrill
Commissioner, District 1
Next election
November 3, 2026
Erick Allen
Commissioner, District 2
Next election
November 7, 2028
JoAnn K. Birrell
Commissioner, District 3
Next election
November 3, 2026
Monique Sheffield
Commissioner, District 4
Next election
November 7, 2028
Source · Cobb County, Cobb County news: Board of Commissioners Approves 2026 Millage Rate and FY27 Budget. Read on October 10, 2026.
DetailsCobb County news: Board of Commissioners Approves 2026 Millage Rate and FY27 Budget (July 29, 2026) (read 2026-10-10)

When decisions happen

The state lists the county year as October 1 to September 30. The latest annual report ends September 30, 2025.

Each yearThe county fiscal year runs October 1 to September 30.
November 3, 2026Election for 2 seats

How to reach it

Board of Commissioners: 770-528-3300
Phone
100 Cherokee Street, Marietta, GA 30090
Mailing address
Source · Georgia Department of Community Affairs, Georgia Department of Community Affairs, Georgia Local Government Fiscal Years. Read on October 10, 2026.
DetailsGeorgia Department of Community Affairs, Georgia Local Government Fiscal Years (as of 3/30/2022): Cobb County October 1 - September 30 (read 2026-10-10)

Also on this tax bill

A Cobb County address pays these governments too. Which cities and school districts apply depends on the address.

On every bill in Cobb County

On some bills, depending on the address

Cities: 9

MabletonNot in Who Taxes Me yet
MariettaCity
SmyrnaNot in Who Taxes Me yet
KennesawNot in Who Taxes Me yet
AcworthNot in Who Taxes Me yet
Powder SpringsNot in Who Taxes Me yet
AustellNot in Who Taxes Me yet
ViningsNot in Who Taxes Me yet
Fair OaksNot in Who Taxes Me yet

School districts: 2

Cobb County School DistrictSchool district
Marietta City School DistrictNot in Who Taxes Me yet

Sources

Collected
Cobb County FY2024 Annual Comprehensive Financial Report. Read on May 27, 2026.
DetailsCobb County FY2024 Annual Comprehensive Financial Report — audited Governmental Funds Statement, Total Governmental Funds column (page 30). Cobb is the NORTH-WEST Atlanta-metro core county (Marietta, Smyrna, Kennesaw, Acworth) — entirely suburban; no Atlanta city overlap
Spent
Cobb County FY2024 Annual Comprehensive Financial Report. Read on May 27, 2026.
DetailsCobb County FY2024 Annual Comprehensive Financial Report — audited Governmental Funds Statement, Total Governmental Funds column (page 30). Cobb is the NORTH-WEST Atlanta-metro core county (Marietta, Smyrna, Kennesaw, Acworth) — entirely suburban; no Atlanta city overlap
Taxes
Georgia Department of Revenue, Local Government Services, Georgia Department of Revenue 2024 certified county millage rate table — Cobb County government 8.46 mills. Read on June 9, 2026.
DetailsGeorgia Department of Revenue 2024 certified county millage rate table — Cobb County government 8.46 mills (county fire district 2.990 is a separate service-district row, excluded)
Who decides
Cobb County, Cobb County news: Board of Commissioners Approves 2026 Millage Rate and FY27 Budget. Read on October 10, 2026.
DetailsCobb County news: Board of Commissioners Approves 2026 Millage Rate and FY27 Budget (July 29, 2026) (read 2026-10-10)
When decisions happen
Georgia Department of Community Affairs, Georgia Department of Community Affairs, Georgia Local Government Fiscal Years. Read on October 10, 2026.
DetailsGeorgia Department of Community Affairs, Georgia Local Government Fiscal Years (as of 3/30/2022): Cobb County October 1 - September 30 (read 2026-10-10)
How to reach it
Cobb County, Board of Commissioners, Cobb County. Read on October 10, 2026.
DetailsBoard of Commissioners, Cobb County (address and hours) (read 2026-10-10)
What it does
Cobb County FY2024 Annual Comprehensive Financial Report. Read on May 27, 2026.
DetailsCobb County FY2024 Annual Comprehensive Financial Report — audited Governmental Funds Statement, Total Governmental Funds column (page 30). Cobb is the NORTH-WEST Atlanta-metro core county (Marietta, Smyrna, Kennesaw, Acworth) — entirely suburban; no Atlanta city overlap

To act on what you have read

Who Taxes Me describes. These three tools, made by the same team, are where you can do something about it. Each opens in a new tab.