Colfax, IA Profile: Facts, Map & Data


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Colfax, Iowa - Basic Facts

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The City of Colfax had a population of 2,130 as of July 1, 2016. Colfax ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Iowa. See peer rankings below.

The primary coordinate point for Colfax is located at latitude 41.6761 and longitude -93.2404 in Jasper County. The formal boundaries for the City of Colfax (see map below) encompass a land area of 1.79 sq. miles and a water area of 0.01 sq. miles. Jasper County is in the Central time zone (GMT -6). The elevation is 801 feet.

The City of Colfax (GNIS ID: 2393595) 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.

The City of Colfax is located within Township of Washington, a minor civil division (MCD) of Jasper County.

Beneath the boundary map are tables with Colfax 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 Colfax, IA Boundary Map

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Boundary Maps: Township of Washington | Jasper County | Iowa Counties

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Colfax, IA Data & Demographics (As of July 1, 2016)


Total Population 2,130
Population in Households 2,100
Population in Familes 1,732
Population in Group Qrtrs 30
Population Density1 1,187
Diversity Index2 6


Total Households 862
Average Household Size 2.44
Family Households 588
Average Family Size 3


Total Housing Units 927 (100%)
Owner Occupied HU 674 (72.7%)
Renter Occupied HU 189 (20.4%)
Vacant Housing Units 65 ( 7.0%)
Median Home Value $104,762
Average Home Value $124,184


Median Household Income $50,809
Average Household Income $61,855
Per Capita Income $24,992
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.28% 0.31%
Households 0.21% 0.3%
Families 0.53% 0.17%
Median Household Income   3.09%
Per Capita Income   2.99%
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.

Colfax, IA - Peer Comparisons by Rank and Percentile

The table below compares Colfax to the other 1,009 incorporated cities, towns and CDPs in Iowa 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 # 158 84th
Population Density1 # 206 80th
Diversity Index2 # 751 26th
Median Household Income # 594 41st
Per Capita Income # 673 33rd

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

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