Castro Valley, CA

Single-footprint Census roll-up for Castro Valley, CA: 2 USPS ZIPs, population 56,663. Open the primary ZIP for household income, housing tenure, and commute from ACS 2023 5-Year Estimates.

U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage

ACS city ledger plate

Sheet CASTRO-VALLEY-CA · Castro Valley, CA 2 ZIPs · 56,663 pop · #494/25278 · Alameda County

INC-TOP · RANK-TOP · PHOTO-FINISH · BOOK-FEW · OWN-MID · POP-SMALL · SPREAD-MOD · HOME-TOP

  • INC-TOP $170,495
  • RANK-TOP #494/25278
  • PHOTO-FINISH ≈ Newark
  • BOOK-FEW 2 ZIPs
  • OWN-MID 80% owners
  • POP-SMALL 56,663
  • SPREAD-MOD 94546→94552
  • HOME-TOP $1,218,900

Nearest income peer: Newark, CA ( $1,431 income $)

Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.

Income neighbourhood around Castro Valley

Lowest/highest poles plus county-sharing cities nearest Castro Valley on average ZIP median household income. Full ladder: /cities.

median HH income

What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2026-08-25

National city placement

According to ACS 5-Year Estimates, Castro Valley, CA sits among US cities with a top-decile household income, on a small-city population base, across a handful of delivery areas.

Top 2%
household income vs 25,278 US cities
56,663
city population (Census)
2
USPS ZIP codes covered
$170,495
avg ZIP median income

Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.

High-income footprint on only 2 ZIPs: the city page and the ZIP page nearly coincide. Headline income $170,495 and home value $1,218,900 should be read as near-neighborhood numbers ; bachelor's attainment averages 51.4%.

Owner-occupancy sits in a mixed band (79.8%) - check the ZIP page's tenure split before treating Castro Valley as a pure owner town.

Within California, Greenbrae is the closest lower-income city and Deer Park the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Castro Valley.

Within-city ZIP comparison

Where the ZIP codes inside Castro Valley differ

Income is the clearest internal divide in Castro Valley. ZIP 94546 reports $128,385 in median household income, while ZIP 94552 reports $212,605. The city average sits between those published endpoints, so it is a starting point rather than a substitute for the ZIP records.

Income high-to-low ratio
1.7×

94546 to 94552

Home-value high-to-low ratio
1.3×

94546 to 94552

Poverty-rate spread
0.1 points

94552 to 94546

Derived from the published ACS 2023 ZIP-level records shown on this site. A high-to-low ratio compares the highest and lowest available ZIP values; it is not a score or forecast.

Population concentration

ZIP 94546 swallows Castro Valley's short list

Across only 2 ZIPs, 94546 still holds about 74% of Castro Valley's 56,663 residents. The secondary codes are thin edges; treat the city average as a near-reprint of the lead ZIP.

Census ZBP business roll-up

Balanced ZBP roll-up inside compact Castro Valley

Citywide ZBP: 1,120 establishments, 9,723 employees , annual payroll $581,622k (~20 establishments per 1,000 residents) across 2 of 2 ZIPs. Peak business ZIP 94546 (923 units) ; leading NAICS Health care and social assistance (216) · also Construction · Professional, scientific, and technical services .

View your shortlist →

ZIP Codes in Castro Valley, CA

These ZIP codes sit in Alameda County, which covers 49 ZIP codes in all; 2 of them fall in Castro Valley. See the Alameda County roll-up →

Castro Valley sits in the upper half of Alameda County on income: Oakland, Hayward and Berkeley report less, while Fremont, Pleasanton and Dublin report more. San Leandro marks the far end of that range at $100,632, 41% below Castro Valley.

Side-by-side: Compare 94546 vs 94552 →

ZIP Code Population Median income Establishments Density
94546 42,209 $128,385 923 1,708
94552 14,454 $212,605 197 124

Castro Valley roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving Castro Valley, .