Boundary Atlas

ZIP code 48415: Birch Run, MI

ZIP code 48415 is in Birch Run (17% of residents), in Saginaw County (97%), Tuscola County (1.4%) and Genesee County (1.3%), Michigan. 83% of its residents live outside city limits. It is in Michigan's 8th congressional district (99%) and Michigan's 9th congressional district (1.2%). Its state senate district is State Senate District 26; its state house districts are State House District 97 (100%) and State House District 93 (0.2%).

9,042residents (2020 Census)
64.8 sq miland area
1cities and towns
2congressional districts
9voting precincts

See it on the mapAll of Michigan

City and county

City or townShare of ZIP residents
Birch Run17%

CountyShare of ZIP residents
Saginaw County97%
Tuscola County1.4%
Genesee County1.3%

Town or county subdivisionShare of ZIP residents
Birch Run township61%
Taymouth township25%
Bridgeport charter township10%
Arbela township1.4%
Vienna charter township1.3%
Spaulding township0.2%

Congressional districts

Congressional districtShare of ZIP residents
Michigan's 8th congressional district (MI-08)99%
Michigan's 9th congressional district (MI-09)1.2%

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

OfficeMemberContactShare of residents
U.S. Representative (MI-08)Kristen McDonald Rivet (D)202-225-361199%
U.S. Representative (MI-09)Lisa C. McClain (R)202-225-21061.2%
U.S. SenatorElissa Slotkin (D)202-224-4822statewide
U.S. SenatorGary C. Peters (D)202-224-6221 · contact formstatewide
State Senator (State Senate District 26)Kevin Daley (R)100%
State Representative (State House District 97)Matt Bierlein (R)100%
State Representative (State House District 93)Tim Kelly (R)0.2%

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

State legislative districts

State senate districtShare of ZIP residents
State Senate District 26100%

State house districtShare of ZIP residents
State House District 97100%
State House District 930.2%

Voting precincts

9 voting precincts overlap ZIP 48415. Map them, with each precinct's share of the ZIP's residents.

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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:48415")

ZIP 48415 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.