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 117,297 as of July 1, 2018. Westminster ranks in the upper quartile for Population Density and Diversity Index 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, 2018.

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, 2018)


Total Population 117,297
Population in Households 116,814
Population in Familes 93,431
Population in Group Qrtrs 483
Population Density2 3,703
Diversity Index3 57


Median Household Income $71,973
Average Household Income $92,890
Per Capita Income $36,527


Total Housing Units 46,993 (100%)
Owner Occupied HU 29,780 (63.4%)
Renter Occupied HU 16,211 (34.5%)
Vacant Housing Units 1,001 ( 2.1%)
Median Home Value $299,241
Average Home Value $344,077


Total Households 45,992
Average Household Size 2.54
Family Households 29,956
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 1.24% 1.14%
Households 1.11% 1.07%
Families 1.07% 0.98%
Median Household Income   1.95%
Per Capita Income   1.94%

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, 2018 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 # 116 75th
Median Household Income # 128 72nd
Per Capita Income # 130 72nd

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

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