Census tracts · Union City, CA

Census tracts in Union City, California

16 census tracts lie mostly within Union City, and 5 more reach into it, by the 2020 census blocks they share. Median household income runs from $98,068 in Tract 4403.08 to $250,000 or more in Tract 4403.37, against $133,715 for Union City as a whole (ACS 2020-2024 5-year estimates).

Which census tracts of Union City earn the most and the least?

The five tracts with the highest and the lowest median household income among those mostly within Union City and with a reliable estimate.

Tract 4403.37 $250,000 or more
Tract 4415.01 $230,417
Tract 4403.05 $179,231
Tract 4403.34 $166,875
Tract 4403.32 $158,050
Tract 4402 $112,962
Tract 4403.01 $112,458
Tract 4401 $111,607
Tract 4403.06 $100,417
Tract 4403.08 $98,068

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

Every census tract in Union City

Sort by any column; the share column is how much of each tract's land (by 2020 census blocks) lies inside Union City.

Census tracts in or partly in Union City, ACS 2020-2024 5-year estimates. Distance and direction from the Census Bureau's internal point of Union City (2024 Gazetteer), which is not always its downtown

Tract 440206001440200	at the center point	Alameda County	5,623±660	$112,962	$854,400	$2,530	100%
Tract 4403.0106001440301	1.3 mi west	Alameda County	6,757±1,119	$112,458	$1,014,200	$2,120	100%
Tract 4403.0406001440304	3.4 mi west	Alameda County	4,488±564	$119,732	$1,059,800	$2,530	100%
Tract 4403.0506001440305	3.5 mi southwest	Alameda County	3,971±480	$179,231	$1,246,600	$3,500 or more	100%
Tract 4403.0606001440306	3.0 mi southwest	Alameda County	3,705±400	$100,417	$838,300	$3,075	100%
Tract 4403.0706001440307	1.8 mi southwest	Alameda County	4,441±942	$127,202	$825,300	$1,436	100%
Tract 4403.0806001440308	1.1 mi southwest	Alameda County	6,017±699	$98,068	$1,159,200	$2,135	100%
Tract 4403.3106001440331	3.5 mi west	Alameda County	3,190±364	$114,126	$974,300	$2,911	100%
Tract 4403.3206001440332	3.9 mi west	Alameda County	3,015±341	$158,050	$1,695,600	$3,500 or more	100%
Tract 4403.3306001440333	3.0 mi west	Alameda County	2,599±389	$114,760	$1,074,600	$3,159	100%
Tract 4403.3406001440334	2.6 mi west	Alameda County	4,026±688	$166,875	$1,117,000	$2,673	100%
Tract 4403.3606001440336	1.5 mi south	Alameda County	4,169±520	$153,699	$1,010,000	$2,780	100%
Tract 4403.3706001440337	0.8 mi southeast	Alameda County	2,679±496	$250,000 or more	$1,512,900	$3,500 or more	100%
Tract 4403.3806001440338	1.0 mi south	Alameda County	3,917±840	$138,204	$984,000	$2,878	100%
Tract 4415.0106001441501	3.8 mi southwest	Alameda County	5,389±638	$230,417	$1,498,200	$3,288	100%
Tract 440106001440100	2.3 mi northeast	Alameda County	2,372±275	$111,607	$704,900	$2,963	63%
Tract 438006001438000	1.2 mi northwest	Alameda County	3,751±575	$132,361	$939,000	$2,876	15%
Tract 4351.0306001435103	3.9 mi northeast	Alameda County	7,020±941	$189,638	$1,506,100	$3,500 or more	4%
Tract 4351.0406001435104	2.7 mi northwest	Alameda County	7,752±1,019	$123,049	$870,300	$2,393	2%
Tract 4415.2206001441522	2.5 mi southwest	Alameda County	5,090±661	$208,160	$1,225,800	$3,500 or more	2%
Tract 4371.0106001437101	5.9 mi west	Alameda County	7,371±765	$156,462	$1,100,500	$2,991	1%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files · Census block assignment files

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections