| ZIP Codes: | 28 ZIP Codes (26 Standard, 2 PO Box, 0 Unique) [See All] |
| Area Codes: | 369 / 707 |
| Timezone: | Pacific (GMT -08:00) |
| Local Time: | 2:11:29 PM |
| Population: | 90,171 [See All] |
| FIPS: | 06045 |
| CBSA: | Ukiah, CA |
| Land Area: | 3,623 sq mi |
| Water Area: | 15 sq mi |
| Coordinates: | 39.3234, -123.4659 |
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90,171 residents live across 28 ZIPs covering 3,623 sq mi, served by 28 distinct USPS-recognized cities.
Population moved from 87,455 to 90,171 from 2014 to 2024 — a +3.1% change. 13 ZIPs gained residents, 13 lost.
The county's wealthiest ZIP 95445 (Gualala, $127,206 median) and poorest ZIP 95585 (Leggett, $36,190) are 71.1 miles apart — a 3.5× income gap across local geography.
Median home values vary 2.0× across this county — from $392,700 in 95490 (Willits) to $777,200 in 95427 (Comptche).
Density varies 29× across the county — from 3 people/sq mi in 95428 (Covelo) to 98 in 95482 (Ukiah).
Educational attainment ranges from 7.1% bachelor's+ in 95454 (Laytonville) to 57.8% in 95456 (Little River) — the breadth of educational profiles across the area.
Within California, this is the #38 most populous of 58 counties and ranks #43 for median household income .
Weighted by population, the typical household earns about $71,854 across the county — reflecting what a typical resident sees, not a simple ZIP average.
25.1% of adults age 25+ hold a bachelor's degree or higher (16,356 of 65,034 reporting).
26 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this county.
Median household income spans 3.5× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 95482 | Ukiah | Standard | 33,164 | $69,772 | 337.4 | 0.0% |
| 95437 | Fort Bragg | Standard | 14,982 | $57,759 | 206.8 | 4.4% |
| 95490 | Willits | Standard | 14,677 | $79,594 | 496.1 | 13.7% |
| 95470 | Redwood Valley | Standard | 6,226 | $76,250 | 75.2 | -9.4% |
| 95445 | Gualala | Standard | 2,766 | $127,206 | 74.8 | 81.7% |
| 95428 | Covelo | Standard | 2,347 | $46,339 | 682.5 | -5.8% |
| 95460 | Mendocino | Standard | 2,199 | $73,576 | 59.6 | -5.9% |
| 95468 | Point Arena | Standard | 2,037 | $115,955 | 49.9 | 70.9% |
| 95449 | Hopland | Standard | 1,763 | $90,469 | 121.5 | 11.4% |
| 95454 | Laytonville | Standard | 1,670 | $42,447 | 206.8 | -21.8% |
| 95469 | Potter Valley | Standard | 1,315 | $82,683 | 306.3 | -32.9% |
| 95415 | Boonville | Standard | 956 | $45,147 | 74.7 | -39.9% |
| 95456 | Little River | Standard | 860 | $63,750 | 10.8 | 43.3% |
| 95410 | Albion | Standard | 842 | — | 34.9 | -5.0% |
| 95459 | Manchester | Standard | 761 | $68,700 | 78.6 | 27.7% |
| 95466 | Philo | Standard | 722 | $108,013 | 111.2 | -20.9% |
| 95432 | Elk | Standard | 707 | — | 56.1 | 103.2% |
| 95427 | Comptche | Standard | 666 | $58,421 | 60.9 | 193.4% |
| 95585 | Leggett | Standard | 522 | $36,190 | 64.0 | 15.0% |
| 95420 | Caspar | Standard | 271 | — | 6.9 | -38.7% |
| 95488 | Westport | Standard | 226 | — | 120.6 | -26.9% |
| 95417 | Branscomb | Standard | 220 | — | 74.4 | 29.4% |
| 95494 | Yorkville | Standard | 130 | $58,650 | 164.6 | -30.9% |
| 95429 | Dos Rios | Standard | 128 | $13,333 | 72.0 | 66.2% |
| 95463 | Navarro | Standard | 14 | — | 10.6 | -22.2% |
| 95587 | Piercy | Standard | 0 | — | 65.4 | -100.0% |
| 95418 | Calpella | PO Box | — | — | 0.0 | — |
| 95481 | Talmage | PO Box | — | — | 0.0 | — |