Garnavillo, IA Profile: Facts, Map & Data


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Garnavillo, Iowa - Basic Facts

The City of Garnavillo had a population of 884 as of July 1, 2017.

The primary coordinate point for Garnavillo is located at latitude 42.8661 and longitude -91.2364 in Clayton County. The formal boundaries for the City of Garnavillo (see map below) encompass a land area of 1.02 sq. miles and a water area of 0 sq. miles. Clayton County is in the Central time zone (GMT -6). The elevation is 1,066 feet.

The City of Garnavillo (GNIS ID: 2394856) 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 Garnavillo is located within Township of Garnavillo, a minor civil division (MCD) of Clayton County.

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

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Boundary Maps: Township of Garnavillo | Clayton County | Iowa Counties

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


Total Population 884
Daytime Population: Workers 218
Daytime Population: Residents 439
Total Daytime Population (TDP) 657
Ratio TDP/Total Population1 0.74
Population in Households 864
Population in Familes 676
Population in Group Qrtrs 20
Population Density2 865
Diversity Index3 10


Median Household Income $43,689
Average Household Income $60,196
Per Capita Income $26,622


Total Housing Units 436 (100%)
Owner Occupied HU 320 (73.4%)
Renter Occupied HU 79 (18.1%)
Vacant Housing Units 37 ( 8.5%)
Median Home Value $87,931
Average Home Value $140,094


Total Households 399
Average Household Size 2.17
Family Households 251
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 2.39% 0.85%
Households 2.57% 0.93%
Families 3.11% 0.94%
Median Household Income   4.13%
Per Capita Income   3.22%

Garnavillo, IA - Peer Comparisons by Rank and Percentile

The table below compares Garnavillo 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 # 325 68th
Population Density # 387 62nd
Diversity Index # 479 53rd
Median Household Income # 880 13th
Per Capita Income # 578 43rd

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

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