Boundary Atlas

ZIP code 52630: Hillsboro, IA

ZIP code 52630 is in Hillsboro (43% of residents), in Henry County (62%), Lee County (21%) and Van Buren County (17%), Iowa. 57% of its residents live outside city limits. It is in Iowa's 1st congressional district. Its state senate districts are State Senate District 44 (79%) and State Senate District 50 (21%); its state house districts are State House District 87 (79%) and State House District 100 (21%).

375residents (2020 Census)
40.6 sq miland area
1cities and towns
1congressional district
4voting precincts

See it on the mapAll of Iowa

City and county

City or townShare of ZIP residents
Hillsboro43%

CountyShare of ZIP residents
Henry County62%
Lee County21%
Van Buren County17%

Town or county subdivisionShare of ZIP residents
Salem township62%
Cedar township21%
Harrisburg township9.9%
Cedar township6.9%

Congressional district

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

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IA-01)Mariannette Miller-Meeks (R)202-225-6576100%
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 44)Adrian Dickey (R)79%
State Senator (State Senate District 50)Jeff Reichman (R)21%
State Representative (State House District 87)Jeff Shipley (R)79%
State Representative (State House District 100)Blaine Watkins (R)21%

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 4479%
State Senate District 5021%

State house districtShare of ZIP residents
State House District 8779%
State House District 10021%

Voting precincts

4 voting precincts overlap ZIP 52630. 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:52630")

ZIP 52630 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.