Boundary Atlas

ZIP code 50707: Evansdale, IA

ZIP code 50707 is in Evansdale (59% of residents), Waterloo (26%) and Elk Run Heights (13%), in Black Hawk County, Iowa. It is in Iowa's 2nd congressional district. Its state senate districts are State Senate District 38 (73%), State Senate District 31 (26%) and State Senate District 34 (1.1%); its state house districts are State House District 76 (73%), State House District 61 (17%), State House District 62 (9.7%) and State House District 68 (1.1%).

7,708residents (2020 Census)
8.2 sq miland area
3cities and towns
1congressional district
10voting precincts

See it on the mapAll of Iowa

City and county

City or townShare of ZIP residents
Evansdale59%
Waterloo26%
Elk Run Heights13%

CountyShare of ZIP residents
Black Hawk County100%

Town or county subdivisionShare of ZIP residents
Evansdale city59%
Waterloo city26%
East Waterloo township13%
Poyner township1.1%

Congressional district

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

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (IA-02)Ashley Hinson (R)202-225-2911100%
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 38)Dave Sires (R)73%
State Senator (State Senate District 31)Bill Dotzler (Democratic)26%
State Senator (State Senate District 34)Dan Zumbach (R)1.1%
State Representative (State House District 76)Derek Wulf (R)73%
State Representative (State House District 61)Timi Brown-Powers (Democratic)17%
State Representative (State House District 62)Jerome Amos (Democratic)9.7%
State Representative (State House District 68)Chad Ingels (R)1.1%

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 3873%
State Senate District 3126%
State Senate District 341.1%

State house districtShare of ZIP residents
State House District 7673%
State House District 6117%
State House District 629.7%
State House District 681.1%

Voting precincts

10 voting precincts overlap ZIP 50707. Map them, with each precinct's share of the ZIP's residents.

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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:50707")

ZIP 50707 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.