Colma, CA Profile: Facts, Map & Data


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Colma, California - Basic Facts

The Town of Colma had a population of 1,908 as of July 1, 2017. Colma 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 Colma is located at latitude 37.6767 and longitude -122.4527 in San Mateo County. The formal boundaries for the Town of Colma (see map below) encompass a land area of 1.9 sq. miles and a water area of 0 sq. miles. San Mateo County is in the Pacific time zone (GMT -8). The elevation is 115 feet.

The Town of Colma (GNIS ID: 2413228) 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 Town of Colma is located within South San Francisco CCD of San Mateo County.

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

Alternate Unofficial Names for Colma: School House Station, Sutter's Fort, Sutter's Mill.

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Town of Colma, CA Boundary Map

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


Total Population 1,908
Daytime Population: Workers 4,845
Daytime Population: Residents 789
Total Daytime Population (TDP) 5,634
Ratio TDP/Total Population1 2.95
Population in Households 1,878
Population in Familes 1,549
Population in Group Qrtrs 30
Population Density2 1,002
Diversity Index3 87


Median Household Income $91,176
Average Household Income $112,411
Per Capita Income $35,932


Total Housing Units 616 (100%)
Owner Occupied HU 203 (33.0%)
Renter Occupied HU 389 (63.1%)
Vacant Housing Units 24 ( 3.9%)
Median Home Value $632,440
Average Home Value $684,236


Total Households 592
Average Household Size 3.17
Family Households 440
Average Family Size 4
  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 0.92% 1.01%
Households 0.74% 0.93%
Families 0.64% 0.94%
Median Household Income   2.22%
Per Capita Income   2.92%

Colma, CA - Peer Comparisons by Rank and Percentile

The table below compares Colma 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 # 887 42nd
Population Density # 772 49th
Diversity Index # 96 94th
Median Household Income # 237 84th
Per Capita Income # 477 69th

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

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