ZIP code 95641: Isleton, CA
ZIP code 95641 is in Isleton (35% of residents) and Walnut Grove (4.2%), in Sacramento County (99%) and San Joaquin County (1.3%), California. 61% of its residents live outside city limits. It is in California's 8th congressional district (96%) and California's 7th congressional district (4.2%). Its state senate districts are State Senate District 3 (99%) and State Senate District 5 (1.3%); its state house districts are Assembly District 9 (66%) and Assembly District 11 (34%).
See it on the mapAll of California
City and county
| City or town | Share of ZIP residents |
|---|---|
| Isleton | 35% |
| Walnut Grove | 4.2% |
| County | Share of ZIP residents |
|---|---|
| Sacramento County | 99% |
| San Joaquin County | 1.3% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Isleton CCD | 99% |
| Thornton CCD | 1.3% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| California's 8th congressional district (CA-08) | 96% |
| California's 7th congressional district (CA-07) | 4.2% |
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 3 | 99% |
| State Senate District 5 | 1.3% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 9 | 66% |
| Assembly District 11 | 34% |
Voting precincts
8 voting precincts overlap ZIP 95641. 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:95641")
ZIP 95641 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.