Boundary Atlas

ZIP code 64870: Webb City, MO

ZIP code 64870 is in Webb City (76% of residents), Oronogo (6.4%) and Joplin (4.0%), in Jasper County, Missouri. 14% of its residents live outside city limits. It is in Missouri's 7th congressional district. Its state senate district is State Senate District 32; its state house districts are State House District 162 (86%), State House District 127 (12%), State House District 163 (2.4%) and State House District 161 (0.3%).

16,566residents (2020 Census)
33.6 sq miland area
4cities and towns
1congressional district
13voting precincts

See it on the mapAll of Missouri

City and county

City or townShare of ZIP residents
Webb City76%
Oronogo6.4%
Joplin4.0%
Airport Drive0.6%

CountyShare of ZIP residents
Jasper County100%

Town or county subdivisionShare of ZIP residents
Joplin township68%
Mineral township30%
Twin Groves township2.3%
Galena township0.3%

Congressional district

Congressional districtShare of ZIP residents
Missouri's 7th congressional district (MO-07)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (MO-07)Eric Burlison (R)202-225-6536100%
U.S. SenatorEric Schmitt (R)202-224-5721 · contact formstatewide
U.S. SenatorJosh Hawley (R)202-224-6154 · contact formstatewide
State Senator (State Senate District 32)Jill Carter (R)100%
State Representative (State House District 162)Bob Bromley (R)86%
State Representative (State House District 127)Ann Kelley (R)12%
State Representative (State House District 163)Cathy Loy (R)2.4%
State Representative (State House District 161)Lane Roberts (R)0.3%

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 32100%

State house districtShare of ZIP residents
State House District 16286%
State House District 12712%
State House District 1632.4%
State House District 1610.3%

Voting precincts

13 voting precincts overlap ZIP 64870. 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:64870")

ZIP 64870 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.