Sumner, IA Profile: Facts, Map & Data


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Sumner, Iowa - Basic Facts

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The City of Sumner had a population of 2,148 as of July 1, 2017.

The primary coordinate point for Sumner is located at latitude 42.8494 and longitude -92.0972 in Bremer County. The formal boundaries for the City of Sumner (see map below) encompass a land area of 2.52 sq. miles and a water area of 0.01 sq. miles. Bremer County is in the Central time zone (GMT -6). The elevation is 1,060 feet.

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

The City of Sumner (GNIS ID: 468764) has a C2 Census Class Code which indicates an active incorporated place legally coextensive with a county subdivision but treated as independent of any county subdivision. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The City of Sumner is located within , a minor civil division (MCD) of Bremer County.

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

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


Total Population 2,148
Daytime Population: Workers 1,068
Daytime Population: Residents 1,160
Total Daytime Population (TDP) 2,228
Ratio TDP/Total Population1 1.04
Population in Households 2,074
Population in Familes 1,654
Population in Group Qrtrs 74
Population Density2 853
Diversity Index3 8


Median Household Income $50,621
Average Household Income $56,623
Per Capita Income $24,940


Total Housing Units 998 (100%)
Owner Occupied HU 733 (73.4%)
Renter Occupied HU 195 (19.5%)
Vacant Housing Units 71 ( 7.1%)
Median Home Value $88,374
Average Home Value $110,812


Total Households 927
Average Household Size 2.24
Family Households 583
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 0.8% 0.86%
Households 0.9% 0.91%
Families 0.68% 0.74%
Median Household Income   1.01%
Per Capita Income   2.22%

Sumner, IA - Peer Comparisons by Rank and Percentile

The table below compares Sumner 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 # 159 84th
Population Density # 397 61st
Diversity Index # 651 35th
Median Household Income # 662 34th
Per Capita Income # 735 27th

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

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