ZIP code 50107: Grand Junction, IA

ZIP code 50107 is in Grand Junction (78% of residents), in Greene County (96%) and Boone County (3.5%), Iowa. 22% of its residents live outside city limits. It is in Iowa's 3rd congressional district (96%) and Iowa's 4th congressional district (3.5%). Its state senate district is State Senate District 24; its state house districts are State House District 47 (96%) and State House District 48 (3.5%).

933residents (2020 Census)

51.6 sq miland area

1cities and towns

2congressional districts

4voting precincts

See it on the map All of Iowa

City and county

City or town	Share of ZIP residents
Grand Junction	78%

County	Share of ZIP residents
Greene County	96%
Boone County	3.5%

Town or county subdivision	Share of ZIP residents
Junction township	93%
Washington township	2.1%
Beaver township	1.9%
Amaqua township	1.6%
Grant township	0.9%

Congressional districts

Congressional district	Share of ZIP residents
Iowa's 3rd congressional district (IA-03)	96%
Iowa's 4th congressional district (IA-04)	3.5%

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

Office	Member	Contact	Share of residents
U.S. Representative (IA-03)	Zachary Nunn (R)	202-225-5476	96%
U.S. Representative (IA-04)	Randy Feenstra (R)	202-225-4426	3.5%
U.S. Senator	Chuck Grassley (R)	202-224-3744 · contact form	statewide
U.S. Senator	Joni Ernst (R)	202-224-3254 · contact form	statewide
State Senator (State Senate District 24)	Jesse Green (R)		100%
State Representative (State House District 47)	Carter Nordman (R)		96%
State Representative (State House District 48)	Chad Behn (R)		3.5%

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

Grand Junction website: https://grandjunctioniowa.gov
Grand Junction laws: search for the Grand Junction, Iowa code of ordinances
Greene County website: http://www.co.greene.ia.us
Greene County laws: search for the Greene County, Iowa code of ordinances
Boone County website: https://www.boonecounty.iowa.gov/
Boone County laws: search for the Boone County, Iowa code of ordinances

State legislative districts

State senate district	Share of ZIP residents
State Senate District 24	100%

State house district	Share of ZIP residents
State House District 47	96%
State House District 48	3.5%

Voting precincts

4 voting precincts overlap ZIP 50107. 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:50107")

ZIP 50107 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.