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ZIP Code · CA

ZIP 94531

Part of Antioch, CA
Pop. 46,387·Contra Costa County·233rd most expensive ZIP in California
Median rent (all units)
$3,339/mo
Year-over-Year
+1.5%
Month-over-Month
-1.4%
vs US Median
+$1,374
Falling (Monthly)
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Most AffordableMost Expensive
ZIP 94531 · $3,339
More expensive than 94% of US ZIP codes · National median $1,965/mo
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Medians by bedroom

Rent by unit size

Studio
$2,760
1 BR
$3,070
2 BR
$3,750
3 BR
$4,800
4 BR+
$5,680
Research median
$3,750/mo

Bedroom estimates are gross rents that include essential utilities (electricity, water, gas, sewer, trash).

Rent trends

12-month history

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Last updated: July 20, 2026

Annual cost
$40,068/yr
At $3,339/mo median
Location
StateCA
CountyContra Costa County
Rent Market Meter
Balanced Market
Renter's MarketBalancedLandlord's Market
Rents are roughly steady, with neither renters nor landlords holding a strong edge right now.
Based on rent-price momentum (+1.5% YoY, -1.4% MoM), not inventory.
Demographics

Who lives here

ZIP 94531 (Antioch, CA) is majority owner-occupied, has a median income above the national average, 32.3% of residents hold a bachelor's degree or higher.

Population
46,387
Median income
$120,927
Median age
38.8
Renters
26.8%
Age distribution
21.9%
23.1%
26.5%
15.8%
12.8%
Under 1821.9%
18–3423.1%
35–5426.5%
55–6415.8%
65+12.8%
Gender
48.3%
51.7%
Male48.3%
Female51.7%
Race & ethnicity
26%
25%
23.6%
21.1%
White26%
Black25%
Hispanic23.6%
Asian21.1%
Other4.4%
Education (25+)
24.7%
33.2%
32.3%
No HS diploma9.8%
HS diploma24.7%
Some college33.2%
Bachelor's+32.3%
Housing tenure
73.2%
26.8%
Owner73.2%
Renter26.8%

Source: U.S. Census Bureau · ACS 2024 5-Year Estimates

2021 vs 2026

How ZIP 94531 in Antioch, CA has changed in 5 years

Rent
$2,816 → $3,339
up 18.6%
Income
$106,570 → $120,927
up 13.5%
Population
43,067 → 46,387
up 7.7%
Renter share
27.4% → 26.8%
-0.6 pts
Bachelor's+
30% → 32.3%
+2.3 pts

Five years ago, renters in ZIP 94531 in Antioch, CA paid around $2,816 a month. That figure now sits near $3,339, up 18.6% from the 2021 baseline. Household income in the area moved from $106,570 to $120,927 across the same window, up 13.5% versus 2021. Because rent grew faster than wages over the same span, the affordability picture has tightened relative to 2021. Census counts show ZIP 94531 in Antioch, CA adding about 3,320 residents over the five-year window, up 7.7% on net. Bachelor's-degree-or-higher attainment moved from 30% to 32.3% across the same window. Reading these numbers side by side helps frame whether current listings in ZIP 94531 in Antioch, CA look reasonable against where the market sat half a decade ago.

Community

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Local insights

Tips for renters in ZIP 94531

About renting in ZIP 94531

Last updated: July 20, 2026

ZIP code 94531 covers Antioch, CA. The median rent here is $3,339/mo as of July 2026. A 1-bedroom rents for a median of $3,070/mo. A 2-bedroom rents for a median of $3,750/mo.

At 33% of local median household income ($120,927/yr), ZIP 94531 ranks as moderate compared to the national benchmark of 30%. Rents have increased 1.5% over the past year.

FAQ

Frequently asked questions

How much is rent in ZIP code 94531?

As of July 20, 2026, the median monthly rent in ZIP 94531 (Antioch, CA) is $3,339. This is based on aggregated data from public sources and community submissions.

How does ZIP 94531 rent compare to the US average?

ZIP 94531's median rent of $3,339/mo is $1,374 (70%) above the US national median of $1,965/mo.

How does ZIP 94531 compare to other ZIPs in California?

ZIP 94531 is one of the pricier ZIP codes in California, ranking #233 out of 907 ZIPs tracked at $3,339/mo.

How much income do you need to rent in ZIP 94531?

To keep rent at or below 30% of gross income, you would need to earn at least $134,000/year (~$64/hour full-time) to afford the median rent of $3,339/mo in ZIP 94531. The local median household income is $120,927/yr, meaning the typical household falls short of that threshold.

Is rent going up or down in ZIP 94531?

Rent in ZIP 94531 has increased 1.5% over the past year as of July 20, 2026, putting upward pressure on renter budgets.

Is ZIP 94531 an affordable place to rent?

ZIP 94531 is considered moderate for renters. At $3,339/mo, rent takes approximately 33% of the local median household income ($120,927/yr). The standard benchmark is 30%. ZIP 94531 slightly exceeds that threshold, so budgeting carefully matters here.

What percentage of ZIP 94531 residents rent vs. own?

According to Census data, approximately 26.8% of ZIP 94531 households are renters, while 73.2% are owner-occupied. ZIP 94531 leans toward homeownership, which can mean a smaller rental inventory.

How does ZIP 94531 compare to the rest of Antioch?

ZIP 94531 is pricier than Antioch as a whole. At $3,339/mo, it's $764 above the Antioch citywide median of $2,575/mo.

When was rent data for ZIP 94531 last updated?

Rent data for ZIP 94531 reflects July 20, 2026. RentDataNow refreshes all data monthly using public and private datasets.
Income Affordability
33%
MODERATE

At $3,339/mo, rent takes ~33% of ZIP 94531's median household income ($120,927/yr). The standard benchmark is 30%.

ZIP 94531 33%Benchmark 30%
State income tax1–13.3%
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Schools nearby

Public schools near ZIP 94531 (Antioch, CA)

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