Boundary Atlas

Sioux Falls, South Dakota

Sioux Falls is a city in Minnehaha County (81% of residents) and Lincoln County (19%), South Dakota, with 192,728 residents in 2020. It is in South Dakota's at-large congressional district. It spans 10 state senate and 10 state house districts.

192,728residents (2020 Census)
84.5 sq miland area
9ZIP codes
1congressional district

County

CountyShare of residents
Minnehaha County81%
Lincoln County19%

Congressional district

Congressional districtShare of residents
South Dakota's at-large congressional district (SD-AL)100%

Elected officials

OfficeMemberContactShare of residents
mayorPaul Ten Hakencitywide
U.S. Representative (SD-AL)Dusty Johnson (R)202-225-2801100%
U.S. SenatorJohn Thune (R)202-224-2321 · contact formstatewide
U.S. SenatorMike Rounds (R)202-224-5842 · contact formstatewide

Plus 30 state legislators across 20 districts. Look up an address for the exact ones.

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

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 residents
State Senate District 1014%
State Senate District 1514%
State Senate District 1113%
State Senate District 1413%
State Senate District 1213%
State Senate District 1313%
State Senate District 910%
State Senate District 25.3%
State Senate District 64.0%
State Senate District 250.7%

State house districtShare of residents
State House District 1014%
State House District 1514%
State House District 1113%
State House District 1413%
State House District 1213%
State House District 1313%
State House District 910%
State House District 25.3%
State House District 64.0%
State House District 250.7%

ZIP codes

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

Get this in your AI agent

Your agent can get Sioux Falls'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:4659020")

Sioux Falls 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.