California's 3rd congressional district (CA-03)
California's 3rd congressional district (CA-03) covers parts or all of Nevada County, Sacramento County, Placer County and El Dorado County, and 69 ZIP codes (41 wholly inside it). Its 2020 population was 763,291. This is the map in force for the November 3, 2026 election.
Who represents CA-03
| Office | Member | Contact |
|---|---|---|
| U.S. Representative (CA-03) | Kevin Kiley (I) | 202-225-2523 |
| U.S. Senator | Adam B. Schiff (D) | 202-224-3841 |
| U.S. Senator | Alex Padilla (D) | 202-224-3553 · contact form |
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: Members of Congress: the @unitedstates project, congress-legislators (CC0).
Counties
| County | Share of the county's residents in CA-03 |
|---|---|
| Nevada County | 100% |
| Sacramento County | 31% |
| Placer County | 30% |
| El Dorado County | 25% |
ZIP codes
Percentages mark ZIPs only partly in CA-03: the share of that ZIP's residents inside it.
- 95602
- 95603
- 95604
- 95608 (59%)
- 95628 (77%)
- 95630
- 95631
- 95633 (6.8%)
- 95634 (26%)
- 95635 (0.7%)
- 95636
- 95648 (1.7%)
- 95650 (100%)
- 95655
- 95658
- 95663
- 95667 (8.6%)
- 95670
- 95671
- 95677 (0.1%)
- 95684 (25%)
- 95701
- 95703
- 95709 (38%)
- 95713
- 95714
- 95715
- 95717
- 95720
- 95721
- 95722
- 95726
- 95728
- 95735
- 95736
- 95742 (100%)
- 95746 (89%)
- 95817 (7.8%)
- 95820 (73%)
- 95821 (97%)
- 95823 (29%)
- 95824 (94%)
- 95825 (89%)
- 95826 (96%)
- 95827 (100%)
- 95828 (40%)
- 95829 (0.6%)
- 95830 (9.5%)
- 95841 (1.5%)
- 95864 (97%)
- 95945
- 95946
- 95949
- 95959
- 95960 (71%)
- 95975
- 95977 (59%)
- 95986
- 96111
- 96140
- 96141
- 96142
- 96143
- 96145
- 96146
- 96148
- 96150
- 96155
- 96161
Towns
Auburn CCD, Colfax-Monumental Ridge CCD, Donner CCD, Folsom CCD, Foresthill-Back Country CCD, Grass Valley CCD, Lake Tahoe CCD, Nevada City CCD, Rancho Cordova CCD, South Lake Tahoe CCD, Rocklin CCD, Sacramento CCD, North El Dorado CCD, South El Dorado CCD and Lincoln CCD.
Get this in your AI agent
Your agent can draw every precinct in CA-03, or list them with population shares (related_geographies). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
get_boundaries(id="us:congressional_district:0603", children_level="precinct", include_districts=True)