La Harpe, IL Profile: Facts, Map & Data


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La Harpe, Illinois - Basic Facts

The City of La Harpe had a population of 1,282 as of July 1, 2018. La Harpe ranks in the lower quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Illinois. See peer rankings below.

The primary coordinate point for La Harpe is located at latitude 40.5848 and longitude -90.9695 in Hancock County. The formal boundaries for the City of La Harpe (see map below) encompass a land area of 1.36 sq. miles and a water area of 0 sq. miles. Hancock County is in the Central time zone (GMT -6). The elevation is 699 feet.

The City of La Harpe (GNIS ID: 2395566) 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 La Harpe is located within Township of La Harpe, a minor civil division (MCD) of Hancock County.

Beneath the boundary map are tables with La Harpe population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2018.

Alternate Unofficial Names for La Harpe: Fort La Harpe, Franklin, Hancock Prairie, Laharpe.

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City of La Harpe, IL Boundary Map

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Boundary Maps: Township of La Harpe | Hancock County | Illinois Counties

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La Harpe, IL Data & Demographics (As of July 1, 2018)


Total Population 1,282
Population in Households 1,256
Population in Familes 1,040
Population in Group Qrtrs 26
Population Density2 940
Diversity Index3 4


Median Household Income $41,659
Average Household Income $56,836
Per Capita Income $24,695


Total Housing Units 604 (100%)
Owner Occupied HU 449 (74.3%)
Renter Occupied HU 109 (18.0%)
Vacant Housing Units 46 ( 7.6%)
Median Home Value $80,788
Average Home Value $104,167


Total Households 558
Average Household Size 2.25
Family Households 380
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 0.45% 0.0%
Households 0.7% 0.14%
Families 1.14% 0.0%
Median Household Income   2.68%
Per Capita Income   3.3%

La Harpe, IL - Peer Comparisons by Rank and Percentile

The table below compares La Harpe to the other 1,368 incorporated cities, towns and CDPs in Illinois 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 # 631 54th
Population Density # 785 43rd
Diversity Index # 1276 7th
Median Household Income # 1155 16th
Per Capita Income # 966 29th

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

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