Portage, Michigan
Portage is a city in Kalamazoo County, Michigan, with 48,891 residents in 2020. It is in Michigan's 4th congressional district. It spans 2 state house districts. Its state senate district is State Senate District 19.
County
| County | Share of residents |
|---|---|
| Kalamazoo County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| Michigan's 4th congressional district (MI-04) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (MI-04) | Bill Huizenga (R) | 202-225-4401 | 100% |
| 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 19) | Sean McCann (Democratic) | 100% | |
| State Representative (State House District 40) | Matt Longjohn (Democratic) | 95% | |
| State Representative (State House District 41) | Julie Rogers (Democratic) | 4.8% |
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
- Portage website: http://www.portagemi.com/
- Portage laws: search for the Portage, Michigan code of ordinances
- Kalamazoo County website: http://www.kalcounty.com
- Kalamazoo County laws: search for the Kalamazoo County, Michigan code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 19 | 100% |
| State house district | Share of residents |
|---|---|
| State House District 40 | 95% |
| State House District 41 | 4.8% |
ZIP codes
Percentages mark ZIPs only partly in Portage: the share of that ZIP's residents living in it.
Get this in your AI agent
Your agent can get Portage's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:place:2665560")
Portage here is the Census Bureau's place boundary as of January 1, 2025. Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.