Westminster, CO Profile: Facts, Map & Data


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Westminster, Colorado - Basic Facts

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The City of Westminster is the 8th largest city in Colorado with a population of 115,732 as of July 1, 2017. Westminster ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Colorado. See peer rankings below.

The primary coordinate point for Westminster is located at latitude 39.8822 and longitude -105.0644 in Adams County. The formal boundaries for the City of Westminster (see map below) encompass a land area of 31.68 sq. miles and a water area of 2.28 sq. miles. Adams County is in the Mountain time zone (GMT -7). The elevation is 5,381 feet.

While the primary coordinates for City of Westminster are located in Adams County, it should be noted that the formal boundaries for this community also extend into and Jefferson County.

The City of Westminster (GNIS ID: ) has a P1 Census Class Code which indicates populated place that is also an incorporated place with the same name and the same census code. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Colorado is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The City of Westminster is located within Northeast Jefferson Division of Adams County.

Beneath the boundary map are tables with Westminster 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 Westminster: Harris Park.

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City of Westminster, CO Boundary Map

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Boundary Maps: Northeast Jefferson Division | Adams County | Colorado Counties

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Westminster, CO Data & Demographics (As of July 1, 2017)


Total Population 115,732
Daytime Population: Workers 38,238
Daytime Population: Residents 52,827
Total Daytime Population (TDP) 91,065
Ratio TDP/Total Population1 0.79
Population in Households 115,255
Population in Familes 91,934
Population in Group Qrtrs 477
Population Density2 3,654
Diversity Index3 57


Median Household Income $70,922
Average Household Income $89,668
Per Capita Income $35,391


Total Housing Units 46,494 (100%)
Owner Occupied HU 28,617 (61.5%)
Renter Occupied HU 16,933 (36.4%)
Vacant Housing Units 944 ( 2.0%)
Median Home Value $274,582
Average Home Value $310,389


Total Households 45,550
Average Household Size 2.53
Family Households 29,789
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 1.23% 0.9%
Households 1.13% 0.85%
Families 1.14% 0.76%
Median Household Income   2.06%
Per Capita Income   2.33%

Westminster, CO - Peer Comparisons by Rank and Percentile

The table below compares Westminster to the other 458 incorporated cities, towns and CDPs in Colorado 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 # 8 98th
Population Density # 24 95th
Diversity Index # 120 74th
Median Household Income # 131 72nd
Per Capita Income # 137 70th

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

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