Boundary Atlas

ZIP code 31204: Macon-Bibb County, GA

ZIP code 31204 is in Macon-Bibb County, in Bibb County, Georgia. It is in Georgia's 2nd congressional district (78%) and Georgia's 8th congressional district (22%). Its state senate districts are State Senate District 26 (84%) and State Senate District 25 (16%); its state house districts are State House District 142 (86%), State House District 143 (9.5%) and State House District 145 (5.0%).

30,512residents (2020 Census)
14.6 sq miland area
1cities and towns
2congressional districts
11voting precincts

See it on the mapAll of Georgia

City and county

City or townShare of ZIP residents
Macon-Bibb County100%

CountyShare of ZIP residents
Bibb County100%

Town or county subdivisionShare of ZIP residents
Macon West CCD100%

Congressional districts

Congressional districtShare of ZIP residents
Georgia's 2nd congressional district (GA-02)78%
Georgia's 8th congressional district (GA-08)22%

This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (GA-02)Sanford D. Bishop, Jr. (D)202-225-363178%
U.S. Representative (GA-08)Austin Scott (R)202-225-653122%
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 26)David Lucas (Democratic)84%
State Senator (State Senate District 25)Rick Williams (R)16%
State Representative (State House District 142)Miriam Paris (Democratic)86%
State Representative (State House District 143)Nissa Jones (Democratic)9.5%
State Representative (State House District 145)Tangie Herring (Democratic)5.0%

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 2684%
State Senate District 2516%

State house districtShare of ZIP residents
State House District 14286%
State House District 1439.5%
State House District 1455.0%

Voting precincts

11 voting precincts overlap ZIP 31204. Map them, with each precinct's share of the ZIP's residents.

Get this in your AI agent

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:31204")

ZIP 31204 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.