Boundary Atlas

Morgan Hill, California

Morgan Hill is a city in Santa Clara County, California, with 45,483 residents in 2020. It is in California's 18th congressional district. Its state senate district is State Senate District 15; its state house district is Assembly District 28.

45,483residents (2020 Census)
12.9 sq miland area
2ZIP codes
1congressional district

County

CountyShare of residents
Santa Clara County100%

Congressional district

Congressional districtShare of residents
California's 18th congressional district (CA-18)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (CA-18)Zoe Lofgren (D)202-225-3072100%
U.S. SenatorAdam B. Schiff (D)202-224-3841statewide
U.S. SenatorAlex Padilla (D)202-224-3553 · contact formstatewide
State Senator (State Senate District 15)Dave Cortese (Democratic)408-723-4154100%
Assembly Member (Assembly District 28)Gail Pellerin (Democratic)831-425-1503100%

Elected in 2024 under CA's previous congressional map; this district's lines changed for the 120th Congress (seated January 3, 2027).

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 15100%

State house districtShare of residents
Assembly District 28100%

ZIP codes

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

Get this in your AI agent

Your agent can get Morgan Hill'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:0649278")

Morgan Hill 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.