California Gazetteer
Also See Union City, CA: ZIP Codes & Maps
The City of Union City had a population of 67,464 as of 2020-2024 American Community Survey 5-Year Estimates. Union City ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in California. See peer rankings below.
The primary coordinate point for Union City is located at latitude 37.5958 and longitude -122.0192 in Alameda County. The formal boundaries for the City of Union City encompass a land area of 19.4 sq. miles and a water area of 0 sq. miles. Alameda County is in the Pacific time zone (GMT -8).
The City of Union City has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.
California is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The City of Union City is located within Fremont CCD of Alameda County.
Source: 2020-2024 American Community Survey 5-Year Estimates
POPULATION | |
|---|---|
| Total Population | 67,464 (100%) |
| Population Density | 3,478 per sq mi |
| Diversity Index1 | 61 |
INCOME | |
| Median Household Income | $133,715 |
| Per Capita Income | $57,977 |
| Median Home Value | $1,104,900 |
HOUSING | |
|---|---|
| Total HU (Housing Units) | 21,901 (100%) |
| Owner Occupied HU | 13,736 (62.7%) |
| Renter Occupied HU | 7,504 (34.3%) |
| Vacant Housing Units | 661 (3.0%) |
HOUSEHOLDS | |
| Total Households | 21,240 |
| Average Household Size | 3.13 |
| Family Households | 16,545 (77.9%) |
The table below compares Union City to the other 1,618 incorporated cities, towns and CDPs in California by rank and percentile using 2020-2024 American Community Survey 5-Year Estimates data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.
| Variable Description | Rank | Percentile |
|---|---|---|
| Total Population | # 136 | 92nd |
| Population Density | # 401 | 75th |
| Median Household Income | # 317 | 80th |
| Per Capita Income | # 403 | 75th |
| Diversity Index | # 304 | 81st |
Additional comparisons and rankings can be made with a VERY EASY TO USE California Census Data Comparison Tool.
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