ZIP code 57103: Sioux Falls, SD
ZIP code 57103 is in Sioux Falls, in Minnehaha County, South Dakota. It is in South Dakota's at-large congressional district. Its state senate districts are State Senate District 10 (48%), State Senate District 14 (46%) and State Senate District 15 (5.6%); its state house districts are State House District 10 (48%), State House District 14 (46%) and State House District 15 (5.6%).
See it on the mapAll of South Dakota
City and county
| City or town | Share of ZIP residents |
|---|---|
| Sioux Falls | 100% |
| County | Share of ZIP residents |
|---|---|
| Minnehaha County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Sioux Falls city | 100% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| South Dakota's at-large congressional district (SD-AL) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| mayor | Paul Ten Haken | 100% | |
| U.S. Representative (SD-AL) | Dusty Johnson (R) | 202-225-2801 | 100% |
| U.S. Senator | John Thune (R) | 202-224-2321 · contact form | statewide |
| U.S. Senator | Mike Rounds (R) | 202-224-5842 · contact form | statewide |
| State Senator (State Senate District 10) | Liz Larson (Democratic) | 48% | |
| State Senator (State Senate District 14) | Larry Zikmund (R) | 46% | |
| State Senator (State Senate District 15) | Jamie Smith (Democratic) | 5.6% | |
| State Representative (State House District 10) | Bobbi Andera (R) | 48% | |
| State Representative (State House District 10) | Erin Healy (Democratic) | 48% | |
| State Representative (State House District 14) | Taylor Rehfeldt (R) | 46% | |
| State Representative (State House District 14) | Tony Kayser (R) | 46% | |
| State Representative (State House District 15) | Erik Muckey (Democratic) | 5.6% | |
| State Representative (State House District 15) | Kadyn Wittman (Democratic) | 5.6% |
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
- Sioux Falls website: https://www.siouxfalls.gov
- Sioux Falls laws: search for the Sioux Falls, South Dakota code of ordinances
- Minnehaha County website: http://www.minnehahacounty.org
- Minnehaha County laws: search for the Minnehaha County, South Dakota code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 10 | 48% |
| State Senate District 14 | 46% |
| State Senate District 15 | 5.6% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 10 | 48% |
| State House District 14 | 46% |
| State House District 15 | 5.6% |
Voting precincts
17 voting precincts overlap ZIP 57103. Map them, with each precinct's share of the ZIP's residents.
Get this in your AI agent
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:57103")
ZIP 57103 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.