| ZIP Codes: | 41 ZIP Codes (19 Standard, 20 PO Box, 2 Unique) [See All] |
| Area Codes: | 661 / 805 / 820 |
| Timezone: | Pacific (GMT -08:00) |
| Local Time: | 2:11:30 PM |
| Population: | 443,880 [See All] |
| FIPS: | 06083 |
| CBSA: | Santa Maria-Santa Barbara, CA |
| Land Area: | 2,283 sq mi |
| Water Area: | 12 sq mi |
| Coordinates: | 34.5792, -119.9707 |
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443,880 residents live across 41 ZIPs covering 2,283 sq mi, served by 14 distinct USPS-recognized cities.
Population moved from 431,815 to 438,462 from 2014 to 2024 — a +1.5% change. 12 ZIPs gained residents, 11 lost.
The county's wealthiest ZIP 93108 (Santa Barbara, $230,419 median) and poorest ZIP 93434 (Guadalupe, $67,231) are 66.7 miles apart — a 3.4× income gap across local geography.
Median home values vary 4.0× across this county — from $498,800 in 93434 (Guadalupe) to $2,000,001 in 93108 (Santa Barbara).
Density varies 615× across the county — from 15 people/sq mi in 93441 (Los Olivos) to 9,450 in 93101 (Santa Barbara).
Educational attainment ranges from 9.8% bachelor's+ in 93458 (Santa Maria) to 75.5% in 93108 (Santa Barbara) — the breadth of educational profiles across the area.
Within California, this is the #20 most populous of 58 counties and ranks #16 for median household income .
Hosts 2 single-entity Unique ZIPs: 93106Univ Of Cal Santa Barbara ; and 93199Santa Barbara P & D Ctr .
Weighted by population, the typical household earns about $101,662 across the county — reflecting what a typical resident sees, not a simple ZIP average.
36.8% of adults age 25+ hold a bachelor's degree or higher (102,564 of 278,489 reporting). The most-educated ZIPs cluster around Santa Barbara.
19 Standard delivery, 20 PO Box only, 2 single-entity Unique ZIPs serve this county.
3 ZIPs in this county where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.
Median household income spans 3.4× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 93458 | Santa Maria | Standard | 59,148 | $75,257 | 26.3 | 4.7% |
| 93436 | Lompoc | Standard | 55,820 | $80,097 | 298.2 | 1.2% |
| 93117 | Goleta | Standard | 52,934 | $90,037 | 154.1 | -3.9% |
| 93455 | Santa Maria | Standard | 44,611 | $110,661 | 157.5 | 4.9% |
| 93454 | Santa Maria | Standard | 41,896 | $81,522 | 469.2 | 12.1% |
| 93101 | Santa Barbara | Standard | 31,554 | $90,148 | 3.3 | -4.0% |
| 93105 | Santa Barbara | Standard | 24,437 | $138,286 | 180.6 | -2.1% |
| 93103 | Santa Barbara | Standard | 19,382 | $122,159 | 4.8 | -4.4% |
| 93111 | Santa Barbara | Standard | 18,274 | $144,353 | 8.7 | 4.1% |
| 93013 | Carpinteria | Standard | 16,317 | $110,359 | 67.9 | 2.3% |
| 93110 | Santa Barbara | Standard | 15,436 | $129,209 | 8.2 | -10.9% |
| 93108 | Santa Barbara | Standard | 11,526 | $230,419 | 27.6 | -4.9% |
| 93109 | Santa Barbara | Standard | 10,915 | $123,347 | 3.4 | -1.1% |
| 93434 | Guadalupe | Standard | 8,603 | $67,231 | 27.5 | 19.9% |
| 93463 | Solvang | Standard | 8,130 | $118,488 | 34.7 | 0.0% |
| 93460 | Santa Ynez | Standard | 6,039 | $114,139 | 255.3 | 22.1% |
| 93427 | Buellton | Standard | 5,737 | $102,857 | 57.0 | 8.7% |
| 93106 | Santa Barbara | Unique | 5,418 | — | 0.9 | — |
| 93437 | Lompoc | Standard | 3,477 | $84,167 | 72.9 | 0.4% |
| 93440 | Los Alamos | PO Box | 1,185 | $79,167 | 42.3 | -19.5% |
| 93441 | Los Olivos | PO Box | 1,134 | $142,760 | 73.8 | -5.1% |
| 93067 | Summerland | PO Box | 1,101 | $71,134 | 0.8 | 71.8% |
| 93254 | New Cuyama | Standard | 707 | $60,938 | 298.3 | 1.0% |
| 93429 | Casmalia | PO Box | 99 | $169,063 | 9.4 | -13.2% |
| 93457 | Santa Maria | PO Box | — | — | 0.0 | — |
| 93456 | Santa Maria | PO Box | — | — | 0.0 | — |
| 93438 | Lompoc | PO Box | — | — | 0.0 | — |
| 93464 | Solvang | PO Box | — | — | 0.0 | — |
| 93190 | Santa Barbara | PO Box | — | — | 0.0 | — |
| 93118 | Goleta | PO Box | — | — | 0.0 | — |
| 93116 | Goleta | PO Box | — | — | 0.0 | — |
| 93160 | Santa Barbara | PO Box | — | — | 0.0 | — |
| 93150 | Santa Barbara | PO Box | — | — | 0.0 | — |
| 93014 | Carpinteria | PO Box | — | — | 0.0 | — |
| 93130 | Santa Barbara | PO Box | — | — | 0.0 | — |
| 93199 | Goleta | Unique | — | — | 0.0 | — |
| 93140 | Santa Barbara | PO Box | — | — | 0.0 | — |
| 93102 | Santa Barbara | PO Box | — | — | 0.0 | — |
| 93107 | Santa Barbara | PO Box | — | — | 0.0 | — |
| 93121 | Santa Barbara | PO Box | — | — | 0.0 | — |
| 93120 | Santa Barbara | PO Box | — | — | 0.0 | — |