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ZIP Code · CA

ZIP 94509

Part of Antioch, CA
Pop. 70,090·Contra Costa County·774th most expensive ZIP in California
Median rent (all units)
$2,127/mo
Year-over-Year
-12.3%
Month-over-Month
-0.9%
vs US Median
+$162
Falling (Monthly)
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Most AffordableMost Expensive
ZIP 94509 · $2,127
More expensive than 67% of US ZIP codes · National median $1,965/mo
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Medians by bedroom

Rent by unit size

Studio
$1,750
1 BR
$1,990
2 BR
$2,420
3 BR
$3,090
4 BR+
$3,670
Research median
$2,420/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
$25,524/yr
At $2,127/mo median
Location
StateCA
CountyContra Costa County
Rent Market Meter
Strong Renter's Market
Renter's MarketBalancedLandlord's Market
Rents are down 12.3% year-over-year. Push hard on price, concessions, and lease terms.
Based on rent-price momentum (-12.3% YoY, -0.9% MoM), not inventory.
Demographics

Who lives here

ZIP 94509 (Antioch, CA) is majority owner-occupied, 18.3% of residents hold a bachelor's degree or higher.

Population
70,090
Median income
$86,196
Median age
38.1
Renters
42%
Age distribution
23.4%
22%
26.3%
13%
15.3%
Under 1823.4%
18–3422%
35–5426.3%
55–6413%
65+15.3%
Gender
47.6%
52.4%
Male47.6%
Female52.4%
Race & ethnicity
27.7%
14.9%
43.5%
White27.7%
Black14.9%
Hispanic43.5%
Asian9.7%
Other4.3%
Education (25+)
18%
30.7%
33%
18.3%
No HS diploma18%
HS diploma30.7%
Some college33%
Bachelor's+18.3%
Housing tenure
58%
42%
Owner58%
Renter42%

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

2021 vs 2026

How ZIP 94509 in Antioch, CA has changed in 5 years

Rent
$2,134 → $2,127
down 0.3%
Income
$71,905 → $86,196
up 19.9%
Population
71,669 → 70,090
down 2.2%
Renter share
44.1% → 42%
-2.1 pts
Bachelor's+
17.7% → 18.3%
+0.6 pts
Median age
36.5 → 38.1
+1.6 yrs

Rent in ZIP 94509 in Antioch, CA has declined 0.3% since 2021, going from about $2,134 per month to roughly $2,127 today. Household income in the area moved from $71,905 to $86,196 across the same window, up 19.9% versus 2021. Income growth outran rent by about 20.2 percentage points, easing the affordability math somewhat compared with 2021. Headcount in the area went from 71,669 to 70,090 between 2021 and 2024, a 2.2% change. About 42% of households rent today, against 44.1% in 2021. Reading these numbers side by side helps frame whether current listings in ZIP 94509 in Antioch, CA look reasonable against where the market sat half a decade ago.

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Local insights

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About renting in ZIP 94509

Last updated: July 20, 2026

ZIP code 94509 covers Antioch, CA. The median rent here is $2,127/mo as of July 2026. A 1-bedroom rents for a median of $1,990/mo. A 2-bedroom rents for a median of $2,420/mo.

At 30% of local median household income ($86,196/yr), ZIP 94509 ranks as moderate compared to the national benchmark of 30%. Rents have decreased 12.3% over the past year.

FAQ

Frequently asked questions

How much is rent in ZIP code 94509?

As of July 20, 2026, the median monthly rent in ZIP 94509 (Antioch, CA) is $2,127. This is based on aggregated data from public sources and community submissions.

How does ZIP 94509 rent compare to the US average?

ZIP 94509's median rent of $2,127/mo is $162 (8%) above the US national median of $1,965/mo.

How does ZIP 94509 compare to other ZIPs in California?

ZIP 94509 is among the more affordable ZIP codes in California, ranking #774 out of 907 ZIPs at $2,127/mo.

How much income do you need to rent in ZIP 94509?

To keep rent at or below 30% of gross income, you would need to earn at least $85,000/year (~$41/hour full-time) to afford the median rent of $2,127/mo in ZIP 94509. The local median household income is $86,196/yr, meaning the typical household meets that threshold.

Is rent going up or down in ZIP 94509?

Rent in ZIP 94509 has decreased 12.3% over the past year as of July 20, 2026, offering some relief compared to 12 months ago.

Is ZIP 94509 an affordable place to rent?

ZIP 94509 is considered moderate for renters. At $2,127/mo, rent takes approximately 30% of the local median household income ($86,196/yr). The standard benchmark is 30%. ZIP 94509 slightly exceeds that threshold, so budgeting carefully matters here.

What percentage of ZIP 94509 residents rent vs. own?

According to Census data, approximately 42% of ZIP 94509 households are renters, while 58% are owner-occupied. ZIP 94509 leans toward homeownership, which can mean a smaller rental inventory.

How does ZIP 94509 compare to the rest of Antioch?

ZIP 94509 is more affordable than Antioch overall. At $2,127/mo, it's $448 below the Antioch citywide median of $2,575/mo.

When was rent data for ZIP 94509 last updated?

Rent data for ZIP 94509 reflects July 20, 2026. RentDataNow refreshes all data monthly using public and private datasets.
Income Affordability
30%
MODERATE

At $2,127/mo, rent takes ~30% of ZIP 94509's median household income ($86,196/yr). The standard benchmark is 30%.

ZIP 94509 30%Benchmark 30%
State income tax1–13.3%
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