ZIP code 49264: Onondaga, MI
ZIP code 49264 is in Ingham County (71%), Jackson County (28%) and Eaton County (0.5%), Michigan, outside any city or Census-designated place. It is in Michigan's 7th congressional district (72%) and Michigan's 5th congressional district (28%). Its state senate districts are State Senate District 21 (72%) and State Senate District 14 (28%); its state house districts are State House District 73 (71%), State House District 45 (28%) and State House District 76 (0.5%).
See it on the mapAll of Michigan
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Ingham County | 71% |
| Jackson County | 28% |
| Eaton County | 0.5% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Onondaga township | 67% |
| Tompkins township | 28% |
| Aurelius township | 4.5% |
| Hamlin township | 0.5% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Michigan's 7th congressional district (MI-07) | 72% |
| Michigan's 5th congressional district (MI-05) | 28% |
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-07) | Tom Barrett (R) | 202-225-4872 | 72% |
| U.S. Representative (MI-05) | Tim Walberg (R) | 202-225-6276 | 28% |
| 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 21) | Sarah Anthony (Democratic) | 72% | |
| State Senator (State Senate District 14) | Sue Shink (Democratic) | 28% | |
| State Representative (State House District 73) | Julie Brixie (Democratic) | 71% | |
| State Representative (State House District 45) | Sarah Lightner (R) | 28% | |
| State Representative (State House District 76) | Angela Witwer (Democratic) | 0.5% |
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
- Ingham County website: http://www.ingham.org
- Ingham County laws: search for the Ingham County, Michigan code of ordinances
- Jackson County website: http://www.co.jackson.mi.us
- Jackson County laws: search for the Jackson County, Michigan code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 21 | 72% |
| State Senate District 14 | 28% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 73 | 71% |
| State House District 45 | 28% |
| State House District 76 | 0.5% |
Voting precincts
4 voting precincts overlap ZIP 49264. 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:49264")
ZIP 49264 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.