Zwingle, IA Profile: Facts, Map & Data


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Zwingle, Iowa - Basic Facts

The City of Zwingle had a population of 97 as of July 1, 2017. Zwingle 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 Zwingle is located at latitude 42.2972 and longitude -90.6875 in Dubuque County. The formal boundaries for the City of Zwingle (see map below) encompass a land area of 0.16 sq. miles and a water area of 0 sq. miles. Dubuque County is in the Central time zone (GMT -6). The elevation is 892 feet.

While the primary coordinates for City of Zwingle are located in Dubuque County, it should be noted that the formal boundaries for this community also extend into and Jackson County.

The City of Zwingle (GNIS ID: 2397405) 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 Zwingle is located within Township of Washington, a minor civil division (MCD) of Dubuque County.

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

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Boundary Maps: Township of Washington | Dubuque County | Iowa Counties

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


Total Population 97
Daytime Population: Workers 9
Daytime Population: Residents 38
Total Daytime Population (TDP) 47
Ratio TDP/Total Population1 0.48
Population in Households 97
Population in Familes 81
Population in Group Qrtrs 0
Population Density2 591
Diversity Index3 2


Median Household Income $54,779
Average Household Income $66,371
Per Capita Income $27,670


Total Housing Units 52 (100%)
Owner Occupied HU 39 (75.0%)
Renter Occupied HU 9 (17.3%)
Vacant Housing Units 4 ( 7.7%)
Median Home Value $153,571
Average Home Value $286,538


Total Households 48
Average Household Size 2.02
Family Households 35
Average Family Size 2
  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 0.88% 0.81%
Households 0.89% 0.82%
Families 5.96% 0.57%
Median Household Income   1.72%
Per Capita Income   2.58%

Zwingle, IA - Peer Comparisons by Rank and Percentile

The table below compares Zwingle 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 # 872 14th
Population Density # 572 43rd
Diversity Index # 983 3rd
Median Household Income # 470 54th
Per Capita Income # 476 53rd

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

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