Altamont, IL Profile: Facts, Map & Data


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Altamont, Illinois - Basic Facts

The City of Altamont had a population of 2,347 as of July 1, 2016. Altamont ranks in the lower quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Illinois. See peer rankings below.

The primary coordinate point for Altamont is located at latitude 39.0572 and longitude -88.7475 in Effingham County. The formal boundaries for the City of Altamont (see map below) encompass a land area of 1.41 sq. miles and a water area of 0 sq. miles. Effingham County is in the Central time zone (GMT -6). The elevation is 620 feet.

The City of Altamont (GNIS ID: 2393932) 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 Altamont is located within Township of Mound, a minor civil division (MCD) of Effingham County.

Beneath the boundary map are tables with Altamont 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 Altamont, IL Boundary Map

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Boundary Maps: Township of Mound | Effingham County | Illinois Counties

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Altamont, IL Data & Demographics (As of July 1, 2016)


Total Population 2,347
Population in Households 2,299
Population in Familes 1,852
Population in Group Qrtrs 48
Population Density1 1,668
Diversity Index2 4


Total Households 946
Average Household Size 2.43
Family Households 613
Average Family Size 3


Total Housing Units 1,022 (100%)
Owner Occupied HU 695 (68.0%)
Renter Occupied HU 251 (24.6%)
Vacant Housing Units 76 ( 7.4%)
Median Home Value $87,226
Average Home Value $117,075


Median Household Income $44,772
Average Household Income $55,107
Per Capita Income $22,238
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.19% 0.24%
Households 0.36% 0.34%
Families 0.45% 0.16%
Median Household Income   1.37%
Per Capita Income   1.53%
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.

Altamont, IL - Peer Comparisons by Rank and Percentile

The table below compares Altamont to the other 1,368 incorporated cities, towns and CDPs in Illinois 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 # 479 65th
Population Density1 # 402 71st
Diversity Index2 # 1292 5th
Median Household Income # 972 29th
Per Capita Income # 1037 24th

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

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