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ZIP Code · CA

ZIP 94546

Pop. 44,855·Alameda County·499th most expensive ZIP in California
Median rent (all units)
$2,712/mo
Year-over-Year
+5.1%
Month-over-Month
+2.1%
vs US Median
+$750
Rising (Monthly)
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Most AffordableMost Expensive
ZIP 94546 · $2,712
More expensive than 84% of US ZIP codes · National median $1,962/mo
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Medians by bedroom

Rent by unit size

Studio
$2,210
1 BR
$2,460
2 BR
$3,000
3 BR
$3,840
4 BR+
$4,550
Research median
$3,000/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: August 17, 2026

Annual cost
$32,544/yr
At $2,712/mo median
Location
StateCA
CountyAlameda County
Rent Market Meter
Strong Landlord's Market
Renter's MarketBalancedLandlord's Market
Rents are up 5.1% year-over-year. Expect competition, and move quickly to lock in terms.
Based on rent-price momentum (+5.1% YoY, +2.1% MoM), not inventory.
Demographics

Who lives here

ZIP 94546 (Castro Valley, CA) is majority owner-occupied, has a median income above the national average, 41.7% of residents hold a bachelor's degree or higher.

Population
44,855
Median income
$128,385
Median age
41.7
Renters
33.7%
Age distribution
20.9%
17.7%
28.9%
14%
18.5%
Under 1820.9%
18–3417.7%
35–5428.9%
55–6414%
65+18.5%
Gender
48.8%
51.2%
Male48.8%
Female51.2%
Race & ethnicity
37.7%
23.5%
29.2%
White37.7%
Black8.2%
Hispanic23.5%
Asian29.2%
Other1.4%
Education (25+)
18%
32%
41.7%
No HS diploma8.4%
HS diploma18%
Some college32%
Bachelor's+41.7%
Housing tenure
66.3%
33.7%
Owner66.3%
Renter33.7%

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

2021 vs 2026

How ZIP 94546 in Castro Valley, CA has changed in 5 years

Rent
$2,306 → $2,712
up 17.6%
Income
$111,570 → $128,385
up 15.1%
Population
46,169 → 44,855
down 2.8%
Renter share
33.2% → 33.7%
+0.5 pts
Bachelor's+
40.8% → 41.7%
+0.9 pts

Rent in ZIP 94546 in Castro Valley, CA has increased 17.6% since 2021, going from about $2,306 per month to roughly $2,712 today. Household income in the area moved from $111,570 to $128,385 across the same window, up 15.1% versus 2021. Headcount in the area went from 46,169 to 44,855 between 2021 and 2024, a 2.8% change. Reading these numbers side by side helps frame whether current listings in ZIP 94546 in Castro Valley, CA look reasonable against where the market sat half a decade ago.

Community

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Local insights

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About renting in ZIP 94546

Last updated: August 17, 2026

ZIP code 94546 covers Castro Valley, CA. The median rent here is $2,712/mo as of August 2026. A 1-bedroom rents for a median of $2,460/mo. A 2-bedroom rents for a median of $3,000/mo.

At 25% of local median household income ($128,385/yr), ZIP 94546 ranks as affordable compared to the national benchmark of 30%. Rents have increased 5.1% over the past year.

FAQ

Frequently asked questions

How much is rent in ZIP code 94546?

As of August 17, 2026, the median monthly rent in ZIP 94546 (Castro Valley, CA) is $2,712. This is based on aggregated data from public sources and community submissions.

How does ZIP 94546 rent compare to the US average?

ZIP 94546's median rent of $2,712/mo is $750 (38%) above the US national median of $1,962/mo.

How does ZIP 94546 compare to other ZIPs in California?

ZIP 94546 falls in the middle range for California, ranking #499 out of 897 ZIPs at $2,712/mo.

How much income do you need to rent in ZIP 94546?

To keep rent at or below 30% of gross income, you would need to earn at least $108,000/year (~$52/hour full-time) to afford the median rent of $2,712/mo in ZIP 94546. The local median household income is $128,385/yr, meaning the typical household meets that threshold.

Is rent going up or down in ZIP 94546?

Rent in ZIP 94546 has increased 5.1% over the past year as of August 17, 2026, putting upward pressure on renter budgets.

Is ZIP 94546 an affordable place to rent?

ZIP 94546 is considered affordable for renters. At $2,712/mo, rent takes approximately 25% of the local median household income ($128,385/yr). The standard benchmark is 30%. ZIP 94546 falls comfortably within that range.

What percentage of ZIP 94546 residents rent vs. own?

According to Census data, approximately 33.7% of ZIP 94546 households are renters, while 66.3% are owner-occupied. ZIP 94546 leans toward homeownership, which can mean a smaller rental inventory.

How does ZIP 94546 compare to the rest of Castro Valley?

ZIP 94546 is more affordable than Castro Valley overall. At $2,712/mo, it's $95 below the Castro Valley citywide median of $2,807/mo.

When was rent data for ZIP 94546 last updated?

Rent data for ZIP 94546 reflects August 17, 2026. RentDataNow refreshes all data monthly using public and private datasets.
Income Affordability
25%
AFFORDABLE

At $2,712/mo, rent takes ~25% of ZIP 94546's median household income ($128,385/yr). The standard benchmark is 30%.

ZIP 94546 25%Benchmark 30%
State income tax1–13.3%
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