Boundary Atlas

Java, South Dakota

Java is a town in Walworth County, South Dakota, with 121 residents in 2020. It is in South Dakota's at-large congressional district. Its state senate district is State Senate District 23; its state house district is State House District 23.

121residents (2020 Census)
0.5 sq miland area
1ZIP codes
1congressional district

County

CountyShare of residents
Walworth County100%

Congressional district

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

State legislative districts

State senate districtShare of residents
State Senate District 23100%

State house districtShare of residents
State House District 23100%

ZIP codes

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

Get this in your AI agent

Your agent can get Java'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:4632460")

Java 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.