Boundary Atlas

ZIP code 55901: Rochester, MN

ZIP code 55901 is in Rochester (96% of residents), in Olmsted County, Minnesota. It is in Minnesota's 1st congressional district. Its state senate districts are State Senate District 25 (83%) and State Senate District 24 (17%); its state house districts are State House District 25A (55%), State House District 25B (27%), State House District 24B (17%) and State House District 24A (<0.1%).

58,046residents (2020 Census)
33.1 sq miland area
1cities and towns
1congressional district
44voting precincts

See it on the mapAll of Minnesota

City and county

City or townShare of ZIP residents
Rochester96%

CountyShare of ZIP residents
Olmsted County100%

Town or county subdivisionShare of ZIP residents
Rochester city96%
Cascade township3.1%
Oronoco township1.1%
Kalmar township<0.1%

Congressional district

Congressional districtShare of ZIP residents
Minnesota's 1st congressional district (MN-01)100%

Elected officials

OfficeMemberContactShare of residents
MayorKim Norton96%
U.S. Representative (MN-01)Brad Finstad (R)202-225-2472100%
U.S. SenatorAmy Klobuchar (D)202-224-3244 · contact formstatewide
U.S. SenatorTina Smith (D)202-224-5641 · contact formstatewide
State Senator (State Senate District 25)Liz Boldon (Democratic-Farmer-Labor)83%
State Senator (State Senate District 24)Carla Nelson (R)17%
State Representative (State House District 25A)Kim Hicks (Democratic-Farmer-Labor)55%
State Representative (State House District 25B)Andy Smith (Democratic-Farmer-Labor)27%
State Representative (State House District 24B)Tina Liebling (Democratic-Farmer-Labor)17%
State Representative (State House District 24A)Duane Quam (R)<0.1%

From Wikidata (community-maintained); confirm on the city's website.

Elected under MN'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); Mayors: Wikidata (CC0).

Local government

State legislative districts

State senate districtShare of ZIP residents
State Senate District 2583%
State Senate District 2417%

State house districtShare of ZIP residents
State House District 25A55%
State House District 25B27%
State House District 24B17%
State House District 24A<0.1%

Voting precincts

44 voting precincts overlap ZIP 55901. Map them, with each precinct's share of the ZIP's residents.

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ZIP 55901 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.