Boundary Atlas

ZIP code 51048: Pierson, IA

ZIP code 51048 is in Pierson (59% of residents), in Woodbury County (81%), Cherokee County (16%) and Plymouth County (2.5%), Iowa. 41% of its residents live outside city limits. It is in Iowa's 4th congressional district. Its state senate district is State Senate District 7; its state house district is State House District 13.

571residents (2020 Census)
36.9 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
Pierson59%

CountyShare of ZIP residents
Woodbury County81%
Cherokee County16%
Plymouth County2.5%

Town or county subdivisionShare of ZIP residents
Rutland township73%
Grand Meadow township13%
Union township8.1%
Tilden township3.1%
Garfield township2.5%
Henry townshipland only

Congressional district

Congressional districtShare of ZIP residents
Iowa's 4th congressional district (IA-04)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IA-04)Randy Feenstra (R)202-225-4426100%
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 7)Kevin Alons (R)100%
State Representative (State House District 13)Travis Sitzmann (R)100%

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 7100%

State house districtShare of ZIP residents
State House District 13100%

Voting precincts

4 voting precincts overlap ZIP 51048. 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://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:zcta:51048")

ZIP 51048 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.