Skip to content
CityAPI.ORG

UNION CITY

California · UNITED STATES (US) · 37.60°N / 122.02°W

CA
ADM1 · ID GeoNames 5,404,555

Union City is a city in United States with a population of 74,494. It sits at 37.60/-122.02, runs on America/Los_Angeles, is 5 km from Fremont.

Population 74,494
Place Type Populated Place
Elevation 21m
Timezone America/Los_Angeles

All facts

fields
Country
United States
Subdivision
California
Coords
37.60°N / 122.02°W
UTC offset
-8
DST
Observed

Proximity

nearest 10 · within 50 km
SE Fremont California 232,206 5.9 km
S Newark California 45,336 7.6 km
N Fairview California 10,003 9.5 km
NW Hayward California 158,289 9.8 km
NW Longwood - Winton Grove California 6,700 10.6 km
E Sunol California 913 11.5 km
NW Cherryland California 14,728 11.9 km
NW Castro Valley California 61,388 12.4 km
NW San Lorenzo California 23,452 13.3 km
NW Ashland California 21,925 13.8 km

Air access

nearby

FAQ

10 questions
What is the population of Union City?
74,494 people, per GeoNames.
Which timezone is Union City in?
America/Los_Angeles.
Which country is Union City in?
United States (US).
Which airport serves Union City?
Hayward Executive Airport (HWD).
Does Union City have a university?
Not on record.
What languages are spoken in United States?
English.
What currency is used in United States?
US Dollar.
How many cities are in United States?
21,763 on record.
Which admin region is Union City in?
California.
What is the elevation of Union City?
21 meters.

Get this page as JSON

no auth
cURL 200 OK
$ curl https://api.cityapi.org/v1/cities/5404555

{
  "data": {
    "id": 5404555,
    "name": "Union City",
    "ascii_name": "Union City",
    "country_code": "US",
    "population": 74494,
    "elevation": 21,
    "timezone_id": "America/Los_Angeles",
    "feature_class": "P",
    "feature_code": "PPL",
    "latitude": 37.59577,
    "longitude": -122.01913
  }
}

Context

comparatives
  • 3.1x smaller than Fremont.
  • 5 km from Fremont.
  • Same timezone (America/Los_Angeles) as 2,102 other cities in United States.
CITYAPI · STATION BERLIN/DE · DATUM/2026-06-11 · BUILT BY BROTCODE Terms · Privacy · Impressum ·