Lenzburg, IL Profile: Facts, Map & Data


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Lenzburg, Illinois - Basic Facts

The Village of Lenzburg had a population of 506 as of July 1, 2015. Lenzburg ranks in the lower quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Illinois. See peer rankings below.

The primary coordinate point for Lenzburg is located at latitude 38.2864 and longitude -89.8178 in St. Clair County. The formal boundaries for the Village of Lenzburg (see map below) encompass a land area of 1.15 sq. miles and a water area of 0.11 sq. miles. St. Clair County is in the Central time zone (GMT -6). The elevation is 443 feet.

The Village of Lenzburg (GNIS ID: 2398420) 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 Village of Lenzburg is located within Township of Lenzburg, a minor civil division (MCD) of St. Clair County.

Beneath the boundary map are tables with Lenzburg population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2015.

Alternate Unofficial Names for Lenzburg: Lenzburgh.

Neighborhood Data

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Village of Lenzburg, IL Boundary Map

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Boundary Maps: Township of Lenzburg | St. Clair County | Illinois Counties

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Lenzburg, IL Data & Demographics (As of July 1, 2015)


Total Population 506
Population in Households 506
Population in Familes 426
Population in Group Qrtrs 0
Population Density1 426
Diversity Index2 8


Total Households 198
Average Household Size 2.56
Family Households 144
Average Family Size 3


Total Housing Units 229 (100%)
Owner Occupied HU 157 (68.6%)
Renter Occupied HU 41 (17.9%)
Vacant Housing Units 31 (13.5%)
Median Home Value $126,389
Average Home Value $150,321


Median Household Income $46,056
Average Household Income $53,846
Per Capita Income $21,518
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.55% -0.36%
Households -0.29% -0.2%
Families -0.26% -0.42%
Median Household Income   3.03%
Per Capita Income   2.69%
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.


Lenzburg, IL - Peer Comparisons by Rank and Percentile

The table below compares Lenzburg to the other 1,367 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2015 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 # 933 32nd
Population Density1 # 1125 18th
Diversity Index2 # 1005 27th
Median Household Income # 940 31st
Per Capita Income # 1069 22nd

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