Williams, CA Profile: Facts, Map & Data


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Williams, California - Basic Facts

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The City of Williams had a population of 5,609 as of July 1, 2016. Williams 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 Williams is located at latitude 39.1487 and longitude -122.1373 in Colusa County. The formal boundaries for the City of Williams (see map below) encompass a land area of 5.44 sq. miles and a water area of 0 sq. miles. Colusa County is in the Pacific time zone (GMT -8). The elevation is 82 feet.

The City of Williams (GNIS ID: 2412268) 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 Williams is located within Central Colusa CCD of Colusa County.

Beneath the boundary map are tables with Williams population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Alternate Unofficial Names for Williams: Central.

Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


City of Williams, CA Boundary Map

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Boundary Maps: Central Colusa CCD | Colusa County | California Counties

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Williams, CA Data & Demographics (As of July 1, 2016)


Total Population 5,609
Population in Households 5,484
Population in Familes 4,975
Population in Group Qrtrs 125
Population Density1 1,030
Diversity Index2 82


Total Households 1,501
Average Household Size 3.65
Family Households 1,233
Average Family Size 4


Total Housing Units 1,647 (100%)
Owner Occupied HU 880 (53.4%)
Renter Occupied HU 621 (37.7%)
Vacant Housing Units 146 ( 8.9%)
Median Home Value $192,345
Average Home Value $210,353


Median Household Income $50,637
Average Household Income $57,737
Per Capita Income $15,947
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 1.46% 0.88%
Households 1.48% 0.92%
Families 1.41% 0.92%
Median Household Income   1.65%
Per Capita Income   2.01%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Williams, CA - Peer Comparisons by Rank and Percentile

The table below compares Williams to the other 1,516 incorporated cities, towns and CDPs in California by rank and percentile using July 1, 2016 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 # 617 59th
Population Density1 # 766 50th
Diversity Index2 # 312 80th
Median Household Income # 903 41st
Per Capita Income # 1316 13th

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

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