Polk City, IA Profile: Facts & Data

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Polk City, Iowa - Basic Facts

The City of Polk City had a population of 4,711 as of July 1, 2018. Polk City 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 Polk City is located at latitude 41.7709 and longitude -93.7071 in Polk County. The formal boundaries for the City of Polk City (see map below) encompass a land area of 4.32 sq. miles and a water area of 0.15 sq. miles. Polk County is in the Central time zone (GMT -6). The elevation is 886 feet.

The City of Polk City (GNIS ID: 2396245) 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 Polk City is located within Unorganized Territory of Saylorville Reservoir, a minor civil division (MCD) of Polk County.

Alternate Unofficial Names for Polk City: Polk.

Jump to... (On This Page!)
  1. Polk City 2018 Demographic Data
  2. Growth Rates for Polk City (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Iowa Research Tools (Easy Tools & Current Data)
  3. Iowa Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


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Polk City, IA Data & Demographics (As of July 1, 2018)

POPULATION

Total Population 4,711
Population in Households 4,679
Population in Familes 4,165
Population in Group Qrtrs 32
Population Density2 1,091
Diversity Index3 8
 

INCOME

Median Household Income $109,713
Average Household Income $129,001
Per Capita Income $45,888

HOUSING

Total Housing Units 1,726 (100%)
Owner Occupied HU 1,468 (85.1%)
Renter Occupied HU 217 (12.6%)
Vacant Housing Units 41 ( 2.4%)
Median Home Value $284,211
Average Home Value $324,048
 

HOUSEHOLDS

Total Households 1,685
Average Household Size 2.78
Family Households 1,343
Average Family Size 3
NOTES
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.

GROWTH RATE / YEAR

2010-2018 2018-2023
Population 3.97% 2.66%
Households 3.87% 2.58%
Families 4.19% 2.51%
Median Household Income   0.66%
Per Capita Income   1.67%

Polk City, IA - Peer Comparisons by Rank and Percentile

The table below compares Polk City to the other 1,009 incorporated cities, towns and CDPs in Iowa by rank and percentile using July 1, 2018 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 # 88 91st
Population Density # 250 75th
Diversity Index # 625 39th
Median Household Income # 2 100th
Per Capita Income # 14 99th

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

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