Boundary Atlas

ZIP code 30066: Cobb County, GA

ZIP code 30066 is in Marietta (6.9% of residents), in Cobb County, Georgia. 93% of its residents live outside city limits. It is in Georgia's 11th congressional district. Its state senate districts are State Senate District 32 (54%), State Senate District 56 (46%) and State Senate District 37 (0.4%); its state house districts are State House District 44 (44%), State House District 46 (30%), State House District 35 (18%) and State House District 37 (8.1%).

62,417residents (2020 Census)
27.2 sq miland area
1cities and towns
1congressional district
24voting precincts

See it on the mapAll of Georgia

City and county

City or townShare of ZIP residents
Marietta6.9%

CountyShare of ZIP residents
Cobb County100%

Town or county subdivisionShare of ZIP residents
Northeast Cobb CCD68%
Marietta CCD24%
Acworth-Kennesaw CCD7.5%

Congressional district

Congressional districtShare of ZIP residents
Georgia's 11th congressional district (GA-11)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (GA-11)Barry Loudermilk (R)202-225-2931100%
U.S. SenatorJon Ossoff (D)202-224-3521 · contact formstatewide
U.S. SenatorRaphael G. Warnock (D)202-224-3643 · contact formstatewide
State Senator (State Senate District 32)Kay Kirkpatrick (R)404-656-393254%
State Senator (State Senate District 56)John Albers (R)46%
State Senator (State Senate District 37)Ed Setzler (R)0.4%
State Representative (State House District 44)Don Parsons (R)770-977-442644%
State Representative (State House District 46)John Carson (R)404-520-882630%
State Representative (State House District 35)Lisa Campbell (Democratic)18%
State Representative (State House District 37)Mary Frances Williams (Democratic)8.1%

Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).

Local government

State legislative districts

State senate districtShare of ZIP residents
State Senate District 3254%
State Senate District 5646%
State Senate District 370.4%

State house districtShare of ZIP residents
State House District 4444%
State House District 4630%
State House District 3518%
State House District 378.1%

Voting precincts

24 voting precincts overlap ZIP 30066. Map them, with each precinct's share of the ZIP's residents.

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Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:zcta:30066")

ZIP 30066 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.