PlainZIP

Union City, CA

Single-footprint Census roll-up for Union City, CA: 1 USPS ZIP, population 69,516. 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 UNION-CITY-CA · Union City, CA 1 ZIPs · 69,516 pop · #1410/25278 · Alameda County

INC-TOP · RANK-TOP · PHOTO-FINISH · BOOK-ONE · OWN-LOW · POP-SMALL · SPREAD-UNK · HOME-TOP

  • INC-TOP $133,715
  • RANK-TOP #1410/25278
  • PHOTO-FINISH ≈ Berkeley
  • BOOK-ONE 1 ZIP
  • OWN-LOW 65% owners
  • POP-SMALL 69,516
  • SPREAD-UNK Single-ZIP book
  • HOME-TOP $1,104,900

Nearest income peer: Berkeley, CA ( $373 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 Union City

Lowest/highest poles plus county-sharing cities nearest Union City 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, Union City, CA sits among US cities with a top-decile household income, on a small-city population base, across a single-ZIP footprint.

Top 6%
household income vs 25,278 US cities
69,516
city population (Census)
1
USPS ZIP codes covered
$133,715
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 1 ZIP: the city page and the ZIP page nearly coincide. Headline income $133,715 and home value $1,104,900 should be read as near-neighborhood numbers ; bachelor's attainment averages 45.1%.

Owner-occupancy is comparatively low (64.7%) for this income tier, rent $2,713 may matter more than the home-value average.

Within California, Duarte is the closest lower-income city and Windsor the closest higher-income city by average ZIP household income. Their 2 and 1 ZIP footprints are the immediate statewide comparison set for Union City.

Population concentration

One ZIP, 94587, is all of Union City

There is no split to weigh here: 94587 holds every one of Union City's 69,516 ACS residents. City-level and ZIP-level numbers on this site are the same number twice, check the ZIP page for the income/tenure/commute breakdown.

Census ZBP business roll-up

Mid-pack ZBP load on Union City's one ZIP

Citywide ZBP: 1,362 establishments, 22,663 employees , annual payroll $1,608,371k (~20 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 94587 (1,362 units) ; leading NAICS Health care and social assistance (193) · also Transportation and warehousing · Professional, scientific, and technical services .

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ZIP Codes in Union City, CA

These ZIP codes sit in Alameda County, which covers 49 ZIP codes in all; 1 of them fall in Union City. See the Alameda County roll-up →

Union City lands mid-pack among the 12 cities sharing Alameda County: Fremont, Livermore and Alameda earn more and Oakland, Hayward and San Leandro earn less. Dublin marks the far end of that range at $214,385, 60% above Union City.

ZIP Code Population Median income Establishments Density
94587 69,516 $133,715 1,362 1,361
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Union City 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 Union City, .