Census Data for Union

As far as we can tell, Union has not been included in past Census counts, so there is no population information for this community.

While we don't have census information for Union, you might be interested in some nearby communities where we do:

• Napa
  (Less than 2 miles to the southeast)
  • Jump to our Gazetteer entry for Napa
  • Napa is located in Napa County
  • Jump to TripAdvisor's Tourism page for Napa <1>
• Yountville
  (6 miles [9.7 km] to the northwest)
  • Jump to our Gazetteer entry for Yountville
  • Yountville is located in Napa County
  • Jump to TripAdvisor's Tourism page for Yountville <1>
• Sonoma
  (8 miles [12.9 km] to the west)
  • Jump to our Gazetteer entry for Sonoma
  • Sonoma is located in Sonoma County
  • Jump to TripAdvisor's Tourism page for Sonoma <1>
• Fetters Hot Springs - Agua Caliente
  (9 miles [14.5 km] to the west)
  • Jump to our Gazetteer entry for Fetters Hot Springs - Agua Caliente
  • Fetters Hot Springs - Agua Caliente is located in Sonoma County
• American Canyon
  (10 miles [16.1 km] to the south)
  • Jump to our Gazetteer entry for American Canyon
  • American Canyon is located in Napa County
  • The population in 2015 was estimated at 20,554 people. This represents a 5.65% increase since 2010.The 2010 Census gave a population of 19,454 people.
  • Jump to TripAdvisor's Tourism page for American Canyon <1>
• Fairfield
  (15 miles [24.1 km] to the east)
  • Jump to our Gazetteer entry for Fairfield
  • Fairfield is located in Solano County
  • Jump to TripAdvisor's Tourism page for Fairfield <1>
• Saint Helena
  (15 miles [24.1 km] to the northwest)
  • Jump to our Gazetteer entry for Saint Helena
  • Saint Helena is located in Napa County
  • Jump to TripAdvisor's Tourism page for Saint Helena <1>
• Suisun City
  (15 miles [24.1 km] to the east)
  • Jump to our Gazetteer entry for Suisun City
  • Suisun City is located in Solano County
  • Suisun City has also been known as:
  • Suisun
  • Jump to TripAdvisor's Tourism page for Suisun City <1>
• Vallejo
  (15 miles [24.1 km] to the south)
  • Jump to our Gazetteer entry for Vallejo
  • Vallejo is located in Solano County
  • Jump to TripAdvisor's Tourism page for Vallejo <1>
• Vacaville
  (17 miles [27.4 km] to the east)
  • Jump to our Gazetteer entry for Vacaville
  • Vacaville is located in Solano County
  • Jump to TripAdvisor's Tourism page for Vacaville <1>
• Petaluma
  (18 miles [29 km] to the west)
  • Jump to our Gazetteer entry for Petaluma
  • Petaluma is located in Sonoma County
  • Jump to TripAdvisor's Tourism page for Petaluma <1>
• Benicia
  (20 miles [32.2 km] to the southeast)
  • Jump to our Gazetteer entry for Benicia
  • Benicia is located in Solano County
  • Jump to TripAdvisor's Tourism page for Benicia <1>
• Continue List   (392 more) ...
  • Novato
    (20 miles [32.2 km] to the southwest)
    • Jump to our Gazetteer entry for Novato
    • Novato is located in Marin County
    • Jump to TripAdvisor's Tourism page for Novato <1>
  • Cotati
    (21 miles [33.8 km] to the west)
    • Jump to our Gazetteer entry for Cotati
    • Cotati is located in Sonoma County
    • Jump to TripAdvisor's Tourism page for Cotati <1>
  • Hercules
    (21 miles [33.8 km] to the south)
    • Jump to our Gazetteer entry for Hercules
    • Hercules is located in Contra Costa County
    • Jump to TripAdvisor's Tourism page for Hercules <1>

Napa County ...

Union is located in Napa County<2>.

For more information, please visit our Census Page for Napa County.

Miscellaneous Information for Union ...

The Federal government has assigned various identifying codes to each community, county and state. At one time or another, the US Census Bureau has used one (or more) of the following identifiers when referring to either Napa County or the community of Union:

• The GNIS Codes ...
  • The current system of identification is called the Geographic Names Information System (GNIS). The following GNIS codes relate to Union:
  • GNIS ID for Union: 1660075
  • GNIS ID for Napa County: 277292
  • GNIS ID for State of California: 1779778

• The FIPS Codes ...
  • An earlier (and largely obsolete) identification method was called the Federal Information Processing Standard (FIPS):
  • State Code: 06 (California)
  • County Code: 055 (Napa County)
  • Place Code: 81190 (Union)
  • State & County Code: 06/055 (California / Napa County)
  • State & Place Code: 06/81190 (California / Union)

• Misc. Census Codes ...
  • Union is located in Census Region #4 (the West Region) and Division #9 (the Pacific Division).

For more information about the various Federal identification codes, please visit our Misc Page for Union.

Off-the-Road Links ...

Unfortunately, we don't know of a website for Union. If you can help, please contact us through our Feedback Page.

The official website for Napa County: www.co.napa.ca.us/

The official website for State of California: https://www.ca.gov/

The official website of the U.S. Board on Geographic Names (BGN)

The official website of the U.S. Geological Survey (USGS)