Boundary Atlas

ZIP code 52404: Cedar Rapids, IA

ZIP code 52404 is in Cedar Rapids (97% of residents), in Linn County (100%) and Johnson County (0.3%), Iowa. It is in Iowa's 2nd congressional district (100%) and Iowa's 1st congressional district (0.3%). Its state senate districts are State Senate District 39 (84%), State Senate District 40 (14%), State Senate District 42 (1.5%) and State Senate District 46 (0.3%); its state house districts are State House District 77 (73%), State House District 79 (14%), State House District 78 (11%), State House District 84 (1.5%) and State House District 91 (0.3%).

43,385residents (2020 Census)
56.6 sq miland area
2cities and towns
2congressional districts
25voting precincts

See it on the mapAll of Iowa

City and county

City or townShare of ZIP residents
Cedar Rapids97%
Shueyville0.1%

CountyShare of ZIP residents
Linn County100%
Johnson County0.3%

Town or county subdivisionShare of ZIP residents
Cedar Rapids city97%
College township1.2%
Fairfax township1.1%
Clinton township0.4%
Jefferson township0.3%

Congressional districts

Congressional districtShare of ZIP residents
Iowa's 2nd congressional district (IA-02)100%
Iowa's 1st congressional district (IA-01)0.3%

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
MayorTiffany O'Donnell97%
U.S. Representative (IA-02)Ashley Hinson (R)202-225-2911100%
U.S. Representative (IA-01)Mariannette Miller-Meeks (R)202-225-65760.3%
U.S. SenatorChuck Grassley (R)202-224-3744 · contact formstatewide
U.S. SenatorJoni Ernst (R)202-224-3254 · contact formstatewide
State Senator (State Senate District 39)Liz Bennett (Democratic)84%
State Senator (State Senate District 40)Art Staed (Democratic)14%
State Senator (State Senate District 42)Charlie McClintock (R)1.5%
State Senator (State Senate District 46)Dawn Driscoll (R)0.3%
State Representative (State House District 77)Jeff Cooling (Democratic)73%
State Representative (State House District 79)Tracy Ehlert (Democratic)14%
State Representative (State House District 78)Angel Ramirez (Democratic)11%
State Representative (State House District 84)Tom Gerhold (R)1.5%
State Representative (State House District 91)Judd Lawler (R)0.3%

From Wikidata (community-maintained); confirm on the city's website.

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); Mayors: Wikidata (CC0).

Local government

State legislative districts

State senate districtShare of ZIP residents
State Senate District 3984%
State Senate District 4014%
State Senate District 421.5%
State Senate District 460.3%

State house districtShare of ZIP residents
State House District 7773%
State House District 7914%
State House District 7811%
State House District 841.5%
State House District 910.3%

Voting precincts

25 voting precincts overlap ZIP 52404. 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:52404")

ZIP 52404 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.