Boundary Atlas

Greendale, Wisconsin

Greendale is a village in Milwaukee County, Wisconsin, with 14,854 residents in 2020. It is in Wisconsin's 1st congressional district. Its state senate district is State Senate District 21; its state house district is Assembly District 61.

14,854residents (2020 Census)
5.6 sq miland area
3ZIP codes
1congressional district

County

CountyShare of residents
Milwaukee County100%

Congressional district

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

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (WI-01)Bryan Steil (R)202-225-3031100%
U.S. SenatorRon Johnson (R)202-224-5323 · contact formstatewide
U.S. SenatorTammy Baldwin (D)202-224-5653 · contact formstatewide
State Senator (State Senate District 21)Van Wanggaard (R)100%
Assembly Member (Assembly District 61)Bob Donovan (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

State legislative districts

State senate districtShare of residents
State Senate District 21100%

State house districtShare of residents
Assembly District 61100%

ZIP codes

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

Get this in your AI agent

Your agent can get Greendale'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:5531125")

Greendale 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.