Boundary Atlas

ZIP code 48842: Holt, MI

ZIP code 48842 is in Holt (94% of residents), in Ingham County (100%) and Eaton County (0.2%), Michigan. 5.8% of its residents live outside city limits. It is in Michigan's 7th congressional district. Its state senate district is State Senate District 21; its state house districts are State House District 74 (99%), State House District 73 (0.7%) and State House District 76 (0.2%).

21,548residents (2020 Census)
17.2 sq miland area
2cities and towns
1congressional district
10voting precincts

See it on the mapAll of Michigan

City and county

City or townShare of ZIP residents
Holt94%
Lansing0.5%

CountyShare of ZIP residents
Ingham County100%
Eaton County0.2%

Town or county subdivisionShare of ZIP residents
Delhi charter township98%
Alaiedon township0.7%
Lansing city0.5%
Windsor charter township0.2%

Congressional district

Congressional districtShare of ZIP residents
Michigan's 7th congressional district (MI-07)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (MI-07)Tom Barrett (R)202-225-4872100%
U.S. SenatorElissa Slotkin (D)202-224-4822statewide
U.S. SenatorGary C. Peters (D)202-224-6221 · contact formstatewide
State Senator (State Senate District 21)Sarah Anthony (Democratic)100%
State Representative (State House District 74)Kara Hope (Democratic)99%
State Representative (State House District 73)Julie Brixie (Democratic)0.7%
State Representative (State House District 76)Angela Witwer (Democratic)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 21100%

State house districtShare of ZIP residents
State House District 7499%
State House District 730.7%
State House District 760.2%

Voting precincts

10 voting precincts overlap ZIP 48842. Map them, with each precinct's share of the ZIP's residents.

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ZIP 48842 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.