Boundary Atlas

ZIP code 52045: Epworth, IA

ZIP code 52045 is in Epworth (74% of residents), in Dubuque County, Iowa. 26% of its residents live outside city limits. It is in Iowa's 2nd congressional district. Its state senate district is State Senate District 33; its state house district is State House District 65.

2,739residents (2020 Census)
48.0 sq miland area
2cities and towns
1congressional district
5voting precincts

See it on the mapAll of Iowa

City and county

City or townShare of ZIP residents
Epworth74%
Bankston0.8%

CountyShare of ZIP residents
Dubuque County100%

Town or county subdivisionShare of ZIP residents
Taylor township85%
Iowa township8.5%
Vernon township4.7%
Center township0.8%
Whitewater township0.8%

Congressional district

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

State legislative districts

State senate districtShare of ZIP residents
State Senate District 33100%

State house districtShare of ZIP residents
State House District 65100%

Voting precincts

5 voting precincts overlap ZIP 52045. 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:52045")

ZIP 52045 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.