Boundary Atlas

Mankato, Minnesota

Mankato is a city in Blue Earth County, Minnesota, with 44,500 residents in 2020. It is in Minnesota's 1st congressional district. It spans 2 state house districts. Its state senate district is State Senate District 18.

44,500residents (2020 Census)
20.2 sq miland area
2ZIP codes
1congressional district

County

CountyShare of residents
Blue Earth County100%

Congressional district

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

Elected officials

OfficeMemberContactShare of residents
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 18)Nick Frentz (Democratic-Farmer-Labor)100%
State Representative (State House District 18B)Luke Frederick (Democratic-Farmer-Labor)86%
State Representative (State House District 18A)Erica Schwartz (R)14%

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).

Local government

State legislative districts

State senate districtShare of residents
State Senate District 18100%

State house districtShare of residents
State House District 18B86%
State House District 18A14%

ZIP codes

Percentages mark ZIPs only partly in Mankato: the share of that ZIP's residents living in it.

Get this in your AI agent

Your agent can get Mankato'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:2739878")

Mankato 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.