ZIP code 49345: Sparta, MI
ZIP code 49345 is in Sparta (31% of residents), in Kent County, Michigan. 69% of its residents live outside city limits. It is in Michigan's 2nd congressional district (96%) and Michigan's 3rd congressional district (4.3%). Its state senate districts are State Senate District 33 (96%) and State Senate District 30 (4.3%); its state house districts are State House District 90 (95%) and State House District 91 (4.7%).
See it on the mapAll of Michigan
City and county
| City or town | Share of ZIP residents |
|---|---|
| Sparta | 31% |
| County | Share of ZIP residents |
|---|---|
| Kent County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Sparta township | 65% |
| Algoma township | 26% |
| Solon township | 4.7% |
| Alpine township | 4.3% |
| Tyrone township | 0.2% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Michigan's 2nd congressional district (MI-02) | 96% |
| Michigan's 3rd congressional district (MI-03) | 4.3% |
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 (MI-02) | John R. Moolenaar (R) | 202-225-3561 | 96% |
| U.S. Representative (MI-03) | Hillary J. Scholten (D) | 202-225-3831 | 4.3% |
| U.S. Senator | Elissa Slotkin (D) | 202-224-4822 | statewide |
| U.S. Senator | Gary C. Peters (D) | 202-224-6221 · contact form | statewide |
| State Senator (State Senate District 33) | Rick Outman (R) | 96% | |
| State Senator (State Senate District 30) | Mark Huizenga (R) | 4.3% | |
| State Representative (State House District 90) | Bryan Posthumus (R) | 95% | |
| State Representative (State House District 91) | Pat Outman (R) | 4.7% |
Elected under MI's previous legislative map; the district's lines changed for 2026.
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
- Sparta website: http://www.spartami.org
- Sparta laws: search for the Sparta, Michigan code of ordinances
- Kent County website: https://www.accesskent.com/
- Kent County laws: search for the Kent County, Michigan code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 33 | 96% |
| State Senate District 30 | 4.3% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 90 | 95% |
| State House District 91 | 4.7% |
Voting precincts
9 voting precincts overlap ZIP 49345. 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:49345")
ZIP 49345 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.