ZIP code 49229: Ridgeway, MI
ZIP code 49229 is in Britton (16% of residents), in Lenawee County (95%), Monroe County (4.3%) and Washtenaw County (1.0%), Michigan. 84% of its residents live outside city limits. It is in Michigan's 5th congressional district (99%) and Michigan's 6th congressional district (1.0%). Its state senate districts are State Senate District 16 (81%) and State Senate District 15 (19%); its state house districts are State House District 30 (44%), State House District 34 (33%), State House District 31 (22%) and State House District 33 (1.0%).
See it on the mapAll of Michigan
City and county
| City or town | Share of ZIP residents |
|---|---|
| Britton | 16% |
| County | Share of ZIP residents |
|---|---|
| Lenawee County | 95% |
| Monroe County | 4.3% |
| Washtenaw County | 1.0% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Ridgeway township | 44% |
| Raisin township | 33% |
| Macon township | 18% |
| Dundee township | 2.6% |
| Milan township | 1.7% |
| Saline township | 1.0% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Michigan's 5th congressional district (MI-05) | 99% |
| Michigan's 6th congressional district (MI-06) | 1.0% |
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-05) | Tim Walberg (R) | 202-225-6276 | 99% |
| U.S. Representative (MI-06) | Debbie Dingell (D) | 202-225-4071 | 1.0% |
| 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 16) | Joe Bellino (R) | 81% | |
| State Senator (State Senate District 15) | Jeff Irwin (Democratic) | 19% | |
| State Representative (State House District 30) | Will Bruck (R) | 44% | |
| State Representative (State House District 34) | Nancy Jenkins-Arno (R) | 33% | |
| State Representative (State House District 31) | Reggie Miller (Democratic) | 22% | |
| State Representative (State House District 33) | Morgan Foreman (Democratic) | 1.0% |
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
- Britton laws: search for the Britton, Michigan code of ordinances
- Lenawee County website: https://www.lenawee.mi.us/
- Lenawee County laws: search for the Lenawee County, Michigan code of ordinances
- Monroe County website: http://www.co.monroe.mi.us
- Monroe County laws: search for the Monroe County, Michigan code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 16 | 81% |
| State Senate District 15 | 19% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 30 | 44% |
| State House District 34 | 33% |
| State House District 31 | 22% |
| State House District 33 | 1.0% |
Voting precincts
8 voting precincts overlap ZIP 49229. 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:49229")
ZIP 49229 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.