Township Of Jefferson IA Demographic Data and Boundary Map


Township Of Jefferson, IA

The Township Of Jefferson is a County Subdivision of Dubuque County. The subdivision has a Z1 Census Class Code which indicates that the Township Of Jefferson is a nonfunctioning county subdivision.

Also See: Dubuque County Data | Cities in Dubuque County | County Subdivisions in Dubuque County

Township Of Jefferson Boundary Map


Township Of Jefferson Data & Demographics (As of July 1, 2017)


Total Population 1,386
Population in Households 1,386
Population in Familes 1,237
Population in Group Qrtrs 0
Population Density1 33
Diversity Index2 7


Total Households 520
Average Household Size 2.67
Family Households 413
Average Family Size 3


Total Housing Units 584 (100%)
Owner Occupied HU 458 (78.4%)
Renter Occupied HU 63 (10.8%)
Vacant Housing Units 64 (11.0%)
Median Home Value $221,944
Average Home Value $270,842


Median Household Income $59,195
Average Household Income $74,883
Per Capita Income $27,685
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population 1.13% 1.07%
Households 1.14% 1.09%
Families 1.16% 1.0%
Median Household Income   1.67%
Per Capita Income   2.66%
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.