County hub small town California

Ventura County, CA

Aggregated demographic, housing, and geographic context for the 29 ZIP codes inside Ventura County, drawn from public Census ACS and SimpleMaps data.

ZIP codes
29
in this county
Total population
856,890
across all listed ZIPs
Cities
21
distinct city/town names
Avg density
665
people / sq mi
Avg median income
$93,884
household, ACS
Avg home value
$611,467
owner-occupied

ZIP codes in Ventura County

ZIPCityPopulationDensityMedian income
93033 Oxnard 84,188 1,010 $82,606
93065 Simi Valley 72,991 946 $110,537
93030 Oxnard 58,019 1,587 $88,508
93063 Simi Valley 56,198 600
93003 Ventura 53,549 995
93010 Camarillo 47,930 842
93036 Oxnard 46,594 1,011
91320 Newbury Park 44,356 849
91360 Thousand Oaks 42,984 1,080
93021 Moorpark 38,030 307
91362 Thousand Oaks 36,587 744
93012 Camarillo 35,794 276
93060 Santa Paula 34,583 144
93004 Ventura 31,705 1,742
93001 Ventura 31,588 126
93035 Oxnard 26,224 2,013
93041 Port Hueneme 23,210 1,524
93023 Ojai 21,691 31
91361 Westlake Village 19,454 260
93015 Fillmore 18,810 78
91377 Oak Park 13,561 971
93022 Oak View 6,140 755
93225 Frazier Park 5,483 19
93066 Somis 2,741 25
93040 Piru 1,829 2
93252 Maricopa 1,646 1
93043 Port Hueneme Cbc Base 884 689
93042 Point Mugu Nawc 121 2
93064 Brandeis

About Ventura County

Counties are the workhorse unit of American local government — they administer property taxes, run the courts and sheriff’s office, manage many road and library systems, and in much of the country they collect public health and zoning data that ZIP codes don’t. Ventura County in California contains roughly 29 ZIP codes spread across 21 distinct cities and unincorporated communities, with an aggregate population of about 856,890. Reading those ZIPs together at the county level smooths over neighborhood-by-neighborhood noise and surfaces the broader economic and demographic shape of the area. For block-level detail, drill into any individual ZIP profile or compare against the wider California index.

The average density across listed ZIPs sits at roughly 665, which classifies the county overall as a small town environment. That label is a generalization — nearly every county contains both a relatively dense core and quieter outlying ZIPs, and the gap between them is often what determines where you actually want to live or open a business. Average median household income in our enriched ZIPs lands near $93,884, with average owner-occupied home values around $611,467; both numbers move dramatically as you cross from one ZIP to the next, so use the table above as a sorting tool, not a verdict.

If you’re moving into Ventura County, the county itself is also where most of your real-life paperwork will land — vehicle registration, voter registration, property recording, and school district enrollment in many states. Knowing the county that contains your prospective ZIP makes it much easier to look up the right tax assessor, election office, or school district website. Our relocation guide walks through the order in which to tackle these handoffs after a move.

For service-area planning, the county is also where most US business licensing and many sales-tax rules are administered. Service businesses scoping Ventura County should pair this aggregate view with the individual ZIP profiles to identify the densest, highest-income pockets first, then expand outward along whatever transportation corridor matches their delivery model.