Centralia, IA Profile: Facts, Map & Data


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Centralia, Iowa - Basic Facts

The City of Centralia had a population of 141 as of July 1, 2017. 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, 2017.

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, 2017)


Total Population 141
Daytime Population: Workers 14
Daytime Population: Residents 64
Total Daytime Population (TDP) 78
Ratio TDP/Total Population1 0.55
Population in Households 141
Population in Familes 130
Population in Group Qrtrs 0
Population Density2 250
Diversity Index3 7


Median Household Income $82,556
Average Household Income $88,542
Per Capita Income $30,142


Total Housing Units 55 (100%)
Owner Occupied HU 49 (89.1%)
Renter Occupied HU 6 (10.9%)
Vacant Housing Units 0
Median Home Value $237,500
Average Home Value $246,500


Total Households 55
Average Household Size 2.56
Family Households 46
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 0.7% 1.51%
Households 0.78% 1.41%
Families 2.3% 1.68%
Median Household Income   0.39%
Per Capita Income   1.56%

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, 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 # 798 21st
Population Density # 829 18th
Diversity Index # 719 28th
Median Household Income # 22 98th
Per Capita Income # 286 72nd

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

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