Harpers Ferry, IA Profile: Facts & Data


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Harpers Ferry, Iowa - Basic Facts

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The City of Harpers Ferry had a population of 385 as of July 1, 2021.

The primary coordinate point for Harpers Ferry is located at latitude 43.2005 and longitude -91.1532 in Allamakee County. The formal boundaries for the City of Harpers Ferry encompass a land area of 0.63 sq. miles and a water area of 0.02 sq. miles. Allamakee County is in the Central time zone (GMT -6). The elevation is 650 feet.

The City of Harpers Ferry 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 Harpers Ferry is located within Township of Taylor, a minor civil division (MCD) of Allamakee County.

Alternate Unofficial Names for Harpers Ferry: Harper's Ferry, Vailsville, Winfield.

Jump to... (On This Page!)
  1. Harpers Ferry 2021 Demographic Data
  2. Growth Rates for Harpers Ferry (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 - 2021 Demographics

Harpers Ferry, IA Data & Demographics (As of July 1, 2021)


Total Population 385 (100%)
Population in Households 373 (96.9%)
Population in Families 301 (78.2%)
Population in Group Quarters1 12 ( 3.1%)
Population Density 587
Diversity Index2 10


Median Household Income $57,128
Average Household Income $74,154
% of Income for Mortgage4 14%
Per Capita Income $33,640
Wealth Index5 85


Total HU (Housing Units) 669 (100%)
Owner Occupied HU 184 (27.5%)
Renter Occupied HU 24 ( 3.6%)
Vacant Housing Units 461 (68.9%)
Median Home Value $187,179
Average Home Value $210,887
Housing Affordability Index3 187


Total Households 208
Average Household Size 1.79
Family Households 139
Average Family Size 2
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. 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 races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2010-2021 2021-2026
Population 1.43% 0.16%
Households 1.65% 0.29%
Families 2.44% 0.14%
Median Household Income   2.39%
Per Capita Income   2.14%
Owner Occupied HU   0.32%

Harpers Ferry, IA - Peer Comparisons by Rank and Percentile

The table below compares Harpers Ferry to the other 1,008 incorporated cities, towns and CDPs in Iowa by rank and percentile using July 1, 2021 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 # 531 47th
Population Density # 571 43rd
Median Household Income # 587 42nd
Housing Affordability Index # 343 34th
Per Capita Income # 325 68th
Diversity Index # 610 39th

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

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