Jefferson, IA Profile: Facts & Data


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Jefferson, Iowa - Basic Facts

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The City of Jefferson had a population of 4,189 as of July 1, 2018.

The primary coordinate point for Jefferson is located at latitude 42.0168 and longitude -94.3794 in Greene County. The formal boundaries for the City of Jefferson (see map below) encompass a land area of 5.97 sq. miles and a water area of 0.04 sq. miles. Greene County is in the Central time zone (GMT -6). The elevation is 1,066 feet.

The City of Jefferson (GNIS ID: 468135) has a C2 Census Class Code which indicates an active incorporated place legally coextensive with a county subdivision but treated as independent of any county subdivision. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The City of Jefferson is located within , a minor civil division (MCD) of Greene County.

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

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Jefferson, IA Data & Demographics (As of July 1, 2018)


Total Population 4,189
Population in Households 4,119
Population in Familes 3,232
Population in Group Qrtrs 70
Population Density1 702
Diversity Index2 14


Median Household Income $53,719
Average Household Income $70,341
Per Capita Income $30,994


Total Housing Units 2,146 (100%)
Owner Occupied HU 1,380 (64.3%)
Renter Occupied HU 485 (22.6%)
Vacant Housing Units 281 (13.1%)
Median Home Value $99,593
Average Home Value $141,685


Total Households 1,865
Average Household Size 2.21
Family Households 1,171
Average Family Size 3
  1. Population Density = Total Population per square mile.
  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 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 -0.44% -0.12%
Households -0.23% -0.11%
Families -0.01% -0.22%
Median Household Income   0.3%
Per Capita Income   1.08%

Jefferson, IA - Peer Comparisons by Rank and Percentile

The table below compares Jefferson to the other 1,009 incorporated cities, towns and CDPs in Iowa 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 # 97 90th
Population Density # 488 52nd
Diversity Index # 323 68th
Median Household Income # 586 42nd
Per Capita Income # 329 67th

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

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