Centralia, IA Profile: Facts, Map & Data


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Centralia, Iowa - Basic Facts

The City of Centralia had a population of 148 as of July 1, 2016. Centralia ranks in the lower 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 Centralia is located at latitude 42.4724 and longitude -90.8366 in Dubuque County. The formal boundaries for the City of Centralia (see map below) encompass a land area of 0.56 sq. miles and a water area of 0 sq. miles. Dubuque County is in the Central time zone (GMT -6). The elevation is 1,135 feet.

The City of Centralia (GNIS ID: 2393788) 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 Centralia is located within Township of Center, a minor civil division (MCD) of Dubuque County.

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

Alternate Unofficial Names for Centralia: Dakotah.

Neighborhood Data

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City of Centralia, IA Boundary Map

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Boundary Maps: Township of Center | Dubuque County | Iowa Counties

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


Total Population 148
Population in Households 148
Population in Familes 136
Population in Group Qrtrs 0
Population Density1 263
Diversity Index2 7


Total Households 57
Average Household Size 2.6
Family Households 48
Average Family Size 3


Total Housing Units 57 (100%)
Owner Occupied HU 51 (89.5%)
Renter Occupied HU 6 (10.5%)
Vacant Housing Units 0
Median Home Value $238,889
Average Home Value $249,038


Median Household Income $84,816
Average Household Income $94,358
Per Capita Income $31,073
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 1.6% 1.57%
Households 1.48% 1.7%
Families 3.38% 1.61%
Median Household Income   1.53%
Per Capita Income   1.64%
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.

Centralia, IA - Peer Comparisons by Rank and Percentile

The table below compares Centralia 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 # 792 22nd
Population Density1 # 821 19th
Diversity Index2 # 699 31st
Median Household Income # 18 98th
Per Capita Income # 221 78th

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

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