Jefferson, IA Profile: Facts, Map & Data


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Jefferson, Iowa - Basic Facts

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The City of Jefferson had a population of 4,216 as of July 1, 2017.

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, 2017.

Neighborhood Data

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City of Jefferson, IA Boundary Map

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


Total Population 4,216
Daytime Population: Workers 3,045
Daytime Population: Residents 2,103
Total Daytime Population (TDP) 5,148
Ratio TDP/Total Population1 1.22
Population in Households 4,092
Population in Familes 3,240
Population in Group Qrtrs 124
Population Density2 707
Diversity Index3 13


Median Household Income $49,095
Average Household Income $68,550
Per Capita Income $30,015


Total Housing Units 2,155 (100%)
Owner Occupied HU 1,355 (62.9%)
Renter Occupied HU 494 (22.9%)
Vacant Housing Units 306 (14.2%)
Median Home Value $92,800
Average Home Value $143,690


Total Households 1,849
Average Household Size 2.21
Family Households 1,164
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 -0.41% -0.65%
Households -0.37% -0.65%
Families -0.09% -0.73%
Median Household Income   3.77%
Per Capita Income   2.58%

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, 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 # 97 90th
Population Density # 484 52nd
Diversity Index # 321 68th
Median Household Income # 715 29th
Per Capita Income # 299 70th

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

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