Summer Set, Missouri
Summer Set is a Census-designated place (an unincorporated community) in Jefferson County, Missouri, with 1,127 residents in 2020. It spans 2 congressional districts: MO-08 (89%) and MO-03 (11%). Its state senate district is State Senate District 3; its state house district is State House District 115.
County
| County | Share of residents |
|---|---|
| Jefferson County | 100% |
Congressional districts
| Congressional district | Share of residents |
|---|---|
| Missouri's 8th congressional district (MO-08) | 89% |
| Missouri's 3rd congressional district (MO-03) | 11% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (MO-08) | Jason Smith (R) | 202-225-4404 | 89% |
| U.S. Representative (MO-03) | Robert F. Onder, Jr. (R) | 202-225-2956 | 11% |
| U.S. Senator | Eric Schmitt (R) | 202-224-5721 · contact form | statewide |
| U.S. Senator | Josh Hawley (R) | 202-224-6154 · contact form | statewide |
| State Senator (State Senate District 3) | Mike Henderson (R) | 100% | |
| State Representative (State House District 115) | Bill Lucas (R) | 100% |
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
- Summer Set laws: search for the Summer Set, Missouri code of ordinances
- Jefferson County website: http://www.jeffcomo.org
- Jefferson County laws: search for the Jefferson County, Missouri code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 3 | 100% |
| State house district | Share of residents |
|---|---|
| State House District 115 | 100% |
ZIP codes
Percentages mark ZIPs only partly in Summer Set: the share of that ZIP's residents living in it.
- 63020 (5.5%)
Get this in your AI agent
Your agent can get Summer Set's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:place:2971508")
Summer Set here is the Census Bureau's place boundary as of January 1, 2025 (a Census-designated place, which has no municipal government). Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.