Colby, WI Profile: Facts, Map & Data


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Colby, Wisconsin - Basic Facts

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The City of Colby had a population of 1,940 as of July 1, 2016. Colby ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Wisconsin. See peer rankings below.

The primary coordinate point for Colby is located at latitude 44.9116 and longitude -90.316 in Clark County. The formal boundaries for the City of Colby (see map below) encompass a land area of 1.58 sq. miles and a water area of 0 sq. miles. Clark County is in the Central time zone (GMT -6). The elevation is 1,352 feet.

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

The City of Colby (GNIS ID: 1582997) has a C5 Census Class Code which indicates an active incorporated place that is independent of any county subdivision and serves as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

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

Neighborhood Data

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City of Colby, WI Boundary Map

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Boundary Maps: Clark County | Wisconsin Counties

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Colby, WI Data & Demographics (As of July 1, 2016)


Total Population 1,940
Population in Households 1,836
Population in Familes 1,498
Population in Group Qrtrs 104
Population Density1 1,232
Diversity Index2 49


Total Households 754
Average Household Size 2.44
Family Households 510
Average Family Size 3


Total Housing Units 782 (100%)
Owner Occupied HU 513 (65.6%)
Renter Occupied HU 241 (30.8%)
Vacant Housing Units 28 ( 3.6%)
Median Home Value $94,643
Average Home Value $113,375


Median Household Income $41,219
Average Household Income $51,288
Per Capita Income $20,161
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.75% 0.62%
Households 0.88% 0.63%
Families 1.18% 0.58%
Median Household Income   1.27%
Per Capita Income   1.31%
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.

Colby, WI - Peer Comparisons by Rank and Percentile

The table below compares Colby to the other 774 incorporated cities, towns and CDPs in Wisconsin 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 # 272 65th
Population Density1 # 176 77th
Diversity Index2 # 33 96th
Median Household Income # 635 18th
Per Capita Income # 714 8th

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

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