Guernsey, WY Profile: Facts, Map & Data


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Guernsey, Wyoming - Basic Facts

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The Town of Guernsey had a population of 1,161 as of July 1, 2017. Guernsey ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Wyoming. See peer rankings below.

The primary coordinate point for Guernsey is located at latitude 42.2648 and longitude -104.7429 in Platte County. The formal boundaries for the Town of Guernsey (see map below) encompass a land area of 1.02 sq. miles and a water area of 0.01 sq. miles. Platte County is in the Mountain time zone (GMT -7). The elevation is 4,354 feet.

The Town of Guernsey (GNIS ID: 2412714) 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.

Wyoming is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The Town of Guernsey is located within Guernsey Division of Platte County.

Beneath the boundary map are tables with Guernsey 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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Town of Guernsey, WY Boundary Map

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Boundary Maps: Guernsey Division | Platte County | Wyoming Counties

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Guernsey, WY Data & Demographics (As of July 1, 2017)


Total Population 1,161
Daytime Population: Workers 661
Daytime Population: Residents 698
Total Daytime Population (TDP) 1,359
Ratio TDP/Total Population1 1.17
Population in Households 1,161
Population in Familes 895
Population in Group Qrtrs 0
Population Density2 1,135
Diversity Index3 39


Median Household Income $46,039
Average Household Income $55,199
Per Capita Income $24,555


Total Housing Units 581 (100%)
Owner Occupied HU 364 (62.7%)
Renter Occupied HU 145 (25.0%)
Vacant Housing Units 72 (12.4%)
Median Home Value $129,545
Average Home Value $149,451


Total Households 509
Average Household Size 2.28
Family Households 314
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 0.17% 0.12%
Households 0.14% 0.08%
Families -0.04% -0.13%
Median Household Income   0.13%
Per Capita Income   1.56%

Guernsey, WY - Peer Comparisons by Rank and Percentile

The table below compares Guernsey to the other 204 incorporated cities, towns and CDPs in Wyoming 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 # 53 75th
Population Density # 37 82nd
Diversity Index # 30 86th
Median Household Income # 179 13th
Per Capita Income # 177 14th

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

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