Fairfax, IA Profile: Facts, Map & Data


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Fairfax, Iowa - Basic Facts

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The City of Fairfax had a population of 2,355 as of July 1, 2017. Fairfax ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Iowa. See peer rankings below.

The primary coordinate point for Fairfax is located at latitude 41.922 and longitude -91.7762 in Linn County. The formal boundaries for the City of Fairfax (see map below) encompass a land area of 1.93 sq. miles and a water area of 0.03 sq. miles. Linn County is in the Central time zone (GMT -6). The elevation is 774 feet.

The City of Fairfax (GNIS ID: 2394730) 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 Fairfax is located within Township of Fairfax, a minor civil division (MCD) of Linn County.

Beneath the boundary map are tables with Fairfax 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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City of Fairfax, IA Boundary Map

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Boundary Maps: Township of Fairfax | Linn County | Iowa Counties

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Fairfax, IA Data & Demographics (As of July 1, 2017)


Total Population 2,355
Daytime Population: Workers 330
Daytime Population: Residents 1,141
Total Daytime Population (TDP) 1,471
Ratio TDP/Total Population1 0.62
Population in Households 2,354
Population in Familes 1,875
Population in Group Qrtrs 1
Population Density2 1,221
Diversity Index3 20


Median Household Income $64,042
Average Household Income $73,983
Per Capita Income $30,113


Total Housing Units 861 (100%)
Owner Occupied HU 697 (81.0%)
Renter Occupied HU 167 (19.4%)
Vacant Housing Units 0
Median Home Value $185,206
Average Home Value $224,569


Total Households 864
Average Household Size 2.72
Family Households 569
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 1.44% 1.28%
Households 1.38% 1.26%
Families -0.91% 1.13%
Median Household Income   1.76%
Per Capita Income   1.94%

Fairfax, IA - Peer Comparisons by Rank and Percentile

The table below compares Fairfax to the other 1,009 incorporated cities, towns and CDPs in Iowa 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 # 147 86th
Population Density # 190 81st
Diversity Index # 162 84th
Median Household Income # 170 83rd
Per Capita Income # 290 71st

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

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