Lewis, IA Profile: Facts, Map & Data


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Lewis, Iowa - Basic Facts

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The City of Lewis had a population of 357 as of July 1, 2016. Lewis ranks in the upper 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 Lewis is located at latitude 41.3065 and longitude -95.0843 in Cass County. The formal boundaries for the City of Lewis (see map below) encompass a land area of 0.5 sq. miles and a water area of 0 sq. miles. Cass County is in the Central time zone (GMT -6). The elevation is 1,181 feet.

The City of Lewis (GNIS ID: 2395690) 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 Lewis is located within Township of Cass, a minor civil division (MCD) of Cass County.

Beneath the boundary map are tables with Lewis population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Neighborhood Data

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City of Lewis, IA Boundary Map

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Boundary Maps: Township of Cass | Cass County | Iowa Counties

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Lewis, IA Data & Demographics (As of July 1, 2016)


Total Population 357
Population in Households 357
Population in Familes 286
Population in Group Qrtrs 0
Population Density1 714
Diversity Index2 15


Total Households 153
Average Household Size 2.33
Family Households 105
Average Family Size 3


Total Housing Units 200 (100%)
Owner Occupied HU 115 (57.5%)
Renter Occupied HU 38 (19.0%)
Vacant Housing Units 47 (23.5%)
Median Home Value $95,732
Average Home Value $141,087


Median Household Income $50,839
Average Household Income $75,762
Per Capita Income $31,675
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -3.04% -1.56%
Households -2.82% -1.34%
Families -1.98% -1.57%
Median Household Income   1.41%
Per Capita Income   2.28%
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.

Lewis, IA - Peer Comparisons by Rank and Percentile

The table below compares Lewis to the other 1,009 incorporated cities, towns and CDPs in Iowa by rank and percentile using July 1, 2016 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 # 553 45th
Population Density1 # 485 52nd
Diversity Index2 # 213 79th
Median Household Income # 592 41st
Per Capita Income # 193 81st

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

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