Nicasio ZIP code, California
The ZIP code for Nicasio, CA is 94946, and its area codes are 415 and 628.
- USPS city name
- 1 ZIP code
- Population
- 91
- County
- Marin County
- State
- California
ZIP codes addressed as Nicasio
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
94946 | Nicasio , CA | Standard | 715 | $154,688 | $2,000,000+ |
Map of Nicasio ZIP codes
The ZIP codes of Nicasio, CA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Towns near Nicasio
The nearest larger towns are Lagunitas-Forest Knolls (1,626 people, 3.0 mi), San Geronimo (583 people, 4.2 mi) and Woodacre (1,627 people, 5.1 mi).
| Town | Population | Distance |
|---|---|---|
| Lucas Valley-Marinwood | 6,473 | 6.9 mi |
| Sleepy Hollow | 3,063 | 7.0 mi |
| Fairfax | 7,516 | 7.6 mi |
| Novato | 52,546 | 8.5 mi |
| San Anselmo | 12,679 | 9.0 mi |
| Ross | 2,606 | 10.1 mi |
| Santa Venetia | 3,725 | 11.4 mi |
| Kentfield | 6,900 | 11.6 mi |
| San Rafael | 60,433 | 11.9 mi |
| Larkspur | 12,854 | 12.5 mi |
| Petaluma | 59,247 | 13.1 mi |
| Mill Valley | 14,012 | 13.6 mi |
| Corte Madera | 10,077 | 13.8 mi |
| Tamalpais-Homestead Valley | 12,085 | 15.4 mi |
More nearby: every ZIP code in Marin County · California ZIP codes
Cite this page
zipcodes.pro. “Nicasio, CA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ca/nicasio
Underlying data is public domain or openly licensed — sources, vintages and licences.