ZIP code 95461: Middletown, CA
ZIP code 95461 is in Middletown (41% of residents) and Hidden Valley Lake (3.3%), in Lake County, California. 55% of its residents live outside city limits. It is in California's 4th congressional district (80%) and California's 1st congressional district (20%). Its state senate district is State Senate District 2; its state house district is Assembly District 4.
See it on the mapAll of California
City and county
| City or town | Share of ZIP residents |
|---|---|
| Middletown | 41% |
| Hidden Valley Lake | 3.3% |
| County | Share of ZIP residents |
|---|---|
| Lake County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Middletown CCD | 79% |
| Cobb CCD | 19% |
| Lower Lake CCD | 2.0% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| California's 4th congressional district (CA-04) | 80% |
| California's 1st congressional district (CA-01) | 20% |
This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 2 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 4 | 100% |
Voting precincts
7 voting precincts overlap ZIP 95461. 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:95461")
ZIP 95461 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.