Fairfield, CA Profile: Facts, Map & Data


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Fairfield, California - Basic Facts

The City of Fairfield had a population of 115,002 as of July 1, 2017. Fairfield ranks in the upper quartile for 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 Fairfield is located at latitude 38.2568 and longitude -122.0397 in Solano County. The formal boundaries for the City of Fairfield (see map below) encompass a land area of 37.39 sq. miles and a water area of 0.25 sq. miles. Solano County is in the Pacific time zone (GMT -8). The elevation is 13 feet.

The City of Fairfield (GNIS ID: 2410474) 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 Fairfield is located within Fairfield-Suisun City CCD of Solano County.

Beneath the boundary map are tables with Fairfield population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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City of Fairfield, CA Boundary Map

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Fairfield, CA Data & Demographics (As of July 1, 2017)


Total Population 115,002
Daytime Population: Workers 45,405
Daytime Population: Residents 61,410
Total Daytime Population (TDP) 106,815
Ratio TDP/Total Population1 0.93
Population in Households 112,777
Population in Familes 96,858
Population in Group Qrtrs 2,225
Population Density2 3,076
Diversity Index3 86


Median Household Income $69,948
Average Household Income $90,815
Per Capita Income $30,344


Total Housing Units 39,338 (100%)
Owner Occupied HU 22,141 (56.3%)
Renter Occupied HU 15,392 (39.1%)
Vacant Housing Units 1,805 ( 4.6%)
Median Home Value $378,077
Average Home Value $417,391


Total Households 37,533
Average Household Size 3.0
Family Households 28,142
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 1.22% 1.08%
Households 1.18% 1.05%
Families 1.18% 1.08%
Median Household Income   2.04%
Per Capita Income   2.37%

Fairfield, CA - Peer Comparisons by Rank and Percentile

The table below compares Fairfield to the other 1,516 incorporated cities, towns and CDPs in California by rank and percentile using July 1, 2017 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 # 56 96th
Population Density # 446 71st
Diversity Index # 155 90th
Median Household Income # 473 69th
Per Capita Income # 698 54th

Additional comparisons and rankings can be made with a VERY EASY TO USE California Census Data Comparison Tool.

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