Skip to content
ZipNumbers

San Joaquin County · California

ZIP code 95231

Population, income, housing costs and the sales tax rate charged on purchases inside ZIP 95231 — Census 2019-2023 ACS 5-year, no modelled estimates.
Population
4,339

ZCTA residents

Median income
$73,292

Household, past 12 months

Median home
$477,600

Owner-occupied value

Sales tax
7.25%

California state rate

Quick answer

ZIP 95231 sits in San Joaquin County, California and is home to 4,339 people. Median household income is $73,292, the median home is worth $477,600 and median gross rent is $2,005. 59.5% of households own their home, and purchases are taxed at 7.25% (California state rate).

County
San Joaquin County

FIPS 06077

State
California (CA)

1,803 ZIPs covered

Area codes
Not published

No NANPA match for this ZIP

Metro area
Outside covered metros

Rate jurisdiction used for tax

The numbers for 95231

American Community Survey 2019-2023 ACS 5-year estimates for this ZCTA.

Population
4,339ZIP 95231 residents
Median household income
$73,292Past 12 months, inflation adjusted
Median home value
$477,600Owner-occupied units
Median gross rent
$2,005Rent plus utilities, monthly
Median age
35 yrsAll residents
Homeownership rate
59.5%Owner-occupied households

Sales tax in 95231

What a purchase inside this ZIP costs at checkout.

Rate applied
7.25%State base rate only
Tax on $100
$7Rounded to the dollar
Tax on $1,000
$73Before any exemptions

California levies 7.25% statewide, and counties, cities and special districts inside this ZIP can add their own local rate on top. Check the county page for the local component before you quote a price.

Affordability in this ZIP

Derived from the Census medians above — indicative, not an offer.

Rent burden
33%Median rent ÷ median income
Price-to-income
6.5×Home value ÷ household income
Est. mortgage
$2,478/mo20% down, 30-yr at 6.75%
Poverty rate
19.5%Residents below poverty line

A rent burden above 30% is the federal threshold for cost-burdened households, and a price-to-income multiple above 4× is generally considered a stretched housing market. The mortgage figure is principal and interest only — taxes, insurance and HOA dues are extra.

How 95231 compares

ZIP 95231 against the median ZIP in San Joaquin County and across California.

MeasureZIP 95231County medianState medianvs state
Median household income$73,292$91,588$89,916-18%
Median home value$477,600$494,650$628,900-24%
Median gross rent$2,005$1,548$1,851+8%
Population4,33926,94615,085-71%

Medians are computed across the 30 ZIP areas in San Joaquin County and the 1803 ZIP areas in California.

Statewide rank

Where this ZIP places among all 1803 California ZIP areas.

Income

richer than 32% of 1,593 state ZIPs

#1,083
Home value

above 35% of 1,597 state ZIPs

#1,040
Population

larger than 36% of 1,803 state ZIPs

#1,154

Comparable ZIP codes

California ZIP areas with almost the same household income.

ZIPCountyIncomeHome valueRent
95464Lake County$73,157$154,100$1,425
93549Inyo County$73,125$325,000$1,571
95527Trinity County$73,125$426,100
95551Humboldt County$73,472$469,800$1,338
93458Santa Barbara County$73,518$460,300$1,825
93553Los Angeles County$73,029$368,600

Nearby ZIP codes

Other ZIP codes filed under San Joaquin County.

ZIP 95231 questions

Common questions about this ZIP code.

Where is ZIP code 95231?
ZIP 95231 lies mostly in San Joaquin County, California. County assignment follows the largest share of land area, so a ZIP straddling a county line is filed under its dominant county.
What sales tax do I pay in 95231?
California charges 7.25% statewide, plus any county, city or district rate that applies locally.
Is 95231 expensive to live in?
Median rent runs $2,005 a month, about 33% of median household income, and the median home is worth $477,600-24% against the typical California ZIP.
Is a ZCTA the same as a postal ZIP code?
Not exactly. The Census builds ZIP Code Tabulation Areas from the ZIP codes of addresses inside each census block, so a ZCTA can differ slightly from the USPS delivery route of the same number, and PO-box-only ZIPs have no ZCTA at all.

Related pages for this area.

Sources & transparency

Every figure on this page is a published estimate for ZIP Code Tabulation Area 95231, except the affordability ratios and mortgage estimate, which we derive from those medians and label as estimates.

Last reviewed December 2024. Figures are published for reference and can change; verify with the source agency before filing or contracting. How we build and check this data.