San Diego ZIP codes — San Diego County, California

San Diego County is a major city in California, with 3,282,782 residents counted in the Census American Community Survey 2019-2023 ACS 5-year estimates. The median age here is 37.1 years against 39.1 nationally, a slightly younger profile than the country as a whole. At this size the Census also publishes one-year estimates; the five-year values used here are steadier and let you compare against smaller neighbours on the same basis.

Households in San Diego County earn a median of $102,285 a year, 30.2% above the national figure of $78,538. This figure covers the household, not the worker: two people on ordinary wages at one address outrank a single professional in the same table. Poverty reaches 10.4% of residents here, below the 12.4% national rate.

The typical owner-occupied home in San Diego County is valued at $791,600, 160.9% above the national figure, while median gross rent runs $2,154 a month, 53.2% above the national figure, or roughly $25,848 across a full year. A household on the local median income would put about 25.3% of gross pay toward that rent against the federal 30% cost-burden threshold, so renting here is within the standard affordability guideline. The home-price-to-income ratio works out to 7.7×, against roughly 3.9× nationally, so buying is out of reach on local earnings alone and the ownership market leans on outside income, equity or dual high earners. 54.5% of occupied homes are owner-occupied versus 65% nationally, so the market leans more heavily on renters. The rent line includes utilities paid by the tenant, a definition worth remembering when comparing it against a landlord's quoted rate.

Home values sit at 7.7× median household income, far past the 3.9× national mark, so ownership costs here are set by something other than local wages — second homes, retirees with equity, or commuters earning elsewhere.

All values below were released by the Census for this exact geography, with no gap-filling on our side. Small-area estimates still carry wider margins of error than state or national figures, so check the linked ACS tables before relying on them for lending, appraisal or legal work.