ZIP Codes of Santa Barbara County, CA

Population & People
Population & People
Total Population
443,880
Household Income
Household Income
Median Income
$110,252
Housing
Housing
Total Housing Units
160,661
Business & Economy
Business & Economy
Total Businesses
12,465
Employment
Employment
Employment Rate
57.85%
Education
Education
Bachelor's Degree+
36.83%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 41 ZIPs in this county.
Data Last Updated: June 1, 2026
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
Quick Link:
https://www.zip-codes.com/county/ca-santa-barbara.asp
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Extreme education divide
Bachelor's share ranges 9.8% to 75.5% across ZIPs — a 66-point gap.
Notable income spread
Median income ranges $67,231 to $230,419 across ZIPs — a 3.4× gap.
Wide geographic spread
ZIPs range from 469.2 sq mi down to 3.34 — a 141× sprawl ratio.
Among California's 5 most renter-heavy counties
47.6% of homes rented — #4 statewide.

Standout ZIPs in this County


Most Populous
Santa Maria · 59,148 people
13.3% of county total
Highest Income
Santa Barbara · $230,419 median
2.1× county average
Largest Land Area
Santa Maria · 469.2 sq mi
Spans the most ground
Fastest Growth
Santa Ynez · 22.1% (10-yr)
4,944 → 6,039 residents
Most Educated
Santa Barbara · 75.5% bachelor's+
6,257 of 8,288 adults 25+

Things worth knowing about Santa Barbara County


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.

Stories about Santa Barbara County


Higher-education hub

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.

Santa Barbara
75.5%
11,526 residents
Santa Barbara
73.4%
5,418 residents
Santa Barbara
62.6%
24,437 residents

Two counties in one

Median household income spans 3.4× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.

Wealthiest ZIP
Santa Barbara
Median income: $230,419
Population: 11,526
Bachelor's+: 75.5%
vs
Poorest ZIP (pop >= 500)
Guadalupe
Median income: $67,231
Population: 8,603
Bachelor's+: 9.9%
For every $1 of household income in 93434, the typical household in 93108 earns $3.43.

All ZIP Codes in Santa Barbara County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
93458Santa MariaStandard59,148$75,25726.34.7%
93436LompocStandard55,820$80,097298.21.2%
93117GoletaStandard52,934$90,037154.1-3.9%
93455Santa MariaStandard44,611$110,661157.54.9%
93454Santa MariaStandard41,896$81,522469.212.1%
93101Santa BarbaraStandard31,554$90,1483.3-4.0%
93105Santa BarbaraStandard24,437$138,286180.6-2.1%
93103Santa BarbaraStandard19,382$122,1594.8-4.4%
93111Santa BarbaraStandard18,274$144,3538.74.1%
93013CarpinteriaStandard16,317$110,35967.92.3%
93110Santa BarbaraStandard15,436$129,2098.2-10.9%
93108Santa BarbaraStandard11,526$230,41927.6-4.9%
93109Santa BarbaraStandard10,915$123,3473.4-1.1%
93434GuadalupeStandard8,603$67,23127.519.9%
93463SolvangStandard8,130$118,48834.70.0%
93460Santa YnezStandard6,039$114,139255.322.1%
93427BuelltonStandard5,737$102,85757.08.7%
93106Santa BarbaraUnique5,4180.9
93437LompocStandard3,477$84,16772.90.4%
93440Los AlamosPO Box1,185$79,16742.3-19.5%
93441Los OlivosPO Box1,134$142,76073.8-5.1%
93067SummerlandPO Box1,101$71,1340.871.8%
93254New CuyamaStandard707$60,938298.31.0%
93429CasmaliaPO Box99$169,0639.4-13.2%
93457Santa MariaPO Box0.0
93456Santa MariaPO Box0.0
93438LompocPO Box0.0
93464SolvangPO Box0.0
93190Santa BarbaraPO Box0.0
93118GoletaPO Box0.0
93116GoletaPO Box0.0
93160Santa BarbaraPO Box0.0
93150Santa BarbaraPO Box0.0
93014CarpinteriaPO Box0.0
93130Santa BarbaraPO Box0.0
93199GoletaUnique0.0
93140Santa BarbaraPO Box0.0
93102Santa BarbaraPO Box0.0
93107Santa BarbaraPO Box0.0
93121Santa BarbaraPO Box0.0
93120Santa BarbaraPO Box0.0

Adjacent & Nearby Counties