County hub suburban California

San Joaquin County, CA

Aggregated demographic, housing, and geographic context for the 30 ZIP codes inside San Joaquin County, drawn from public Census ACS and SimpleMaps data.

ZIP codes
30
in this county
Total population
745,964
across all listed ZIPs
Cities
15
distinct city/town names
Avg density
1,006
people / sq mi
Avg median income
$69,559
household, ACS
Avg home value
$354,600
owner-occupied

ZIP codes in San Joaquin County

ZIPCityPopulationDensityMedian income
95206 Stockton 65,966 191 $69,559
95376 Tracy 55,314 2,804 $103,493
95207 Stockton 52,154 2,779 $68,767
95240 Lodi 49,623 281 $76,870
95336 Manteca 47,294 476 $86,411
95209 Stockton 45,150 2,116 $106,056
95210 Stockton 43,009 2,184 $65,411
95337 Manteca 42,713 363 $110,132
95205 Stockton 39,723 1,706 $58,138
95377 Tracy 33,630 118 $155,984
95219 Stockton 30,242 100 $105,300
95204 Stockton 30,135 2,195 $71,792
95212 Stockton 28,561 521 $104,078
95330 Lathrop 28,325 508 $118,461
95242 Lodi 27,448 117 $99,709
95215 Stockton 26,898 112 $68,189
95366 Ripon 18,462 208 $104,952
95203 Stockton 16,255 1,018 $64,710
95304 Tracy 15,585 39 $114,359
95320 Escalon 12,481 54 $86,612
95220 Acampo 8,251 55 $116,324
95202 Stockton 5,976 2,176 $23,954
95231 French Camp 4,933 177 $73,292
95236 Linden 4,756 14 $96,339
95258 Woodbridge 4,108 493 $100,682
95237 Lockeford 4,099 213 $86,836
95211 Stockton 2,304 9,016 —
95686 Thornton 1,155 14 $43,482
95227 Clements 901 9 $150,143
95253 Victor 513 118 —

About San Joaquin 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. San Joaquin County in California contains roughly 30 ZIP codes spread across 15 distinct cities and unincorporated communities, with an aggregate population of about 745,964. 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 1,006, which classifies the county overall as a suburban 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 $69,559, with average owner-occupied home values around $354,600; 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 San Joaquin 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 San Joaquin 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.