Hartwick, IA Profile: Facts, Map & Data


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Hartwick, Iowa - Basic Facts

The City of Hartwick had a population of 88 as of July 1, 2016. Hartwick ranks in the lower quartile for 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 Hartwick is located at latitude 41.7861 and longitude -92.3454 in Poweshiek County. The formal boundaries for the City of Hartwick (see map below) encompass a land area of 0.13 sq. miles and a water area of 0 sq. miles. Poweshiek County is in the Central time zone (GMT -6). The elevation is 932 feet.

The City of Hartwick (GNIS ID: 2394314) 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 Hartwick is located within Township of Jefferson, a minor civil division (MCD) of Poweshiek County.

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

Neighborhood Data

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City of Hartwick, IA Boundary Map

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Boundary Maps: Township of Jefferson | Poweshiek County | Iowa Counties

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


Total Population 88
Population in Households 88
Population in Familes 70
Population in Group Qrtrs 0
Population Density1 657
Diversity Index2 5


Total Households 39
Average Household Size 2.26
Family Households 26
Average Family Size 3


Total Housing Units 40 (100%)
Owner Occupied HU 34 (85.0%)
Renter Occupied HU 4 ( 10.0%)
Vacant Housing Units 1 ( 2.5%)
Median Home Value $132,143
Average Home Value $153,030


Median Household Income $54,463
Average Household Income $58,235
Per Capita Income $26,295
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.37% 0.23%
Households 0.42% 0.0%
Families 0.63% 0.0%
Median Household Income   2.04%
Per Capita Income   1.59%
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.

Hartwick, IA - Peer Comparisons by Rank and Percentile

The table below compares Hartwick 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 # 887 12th
Population Density1 # 523 48th
Diversity Index2 # 871 14th
Median Household Income # 424 58th
Per Capita Income # 556 45th

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

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