Lebanon, IL Profile: Facts & Data


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Lebanon, Illinois - Basic Facts

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The City of Lebanon had a population of 4,292 as of July 1, 2021. Lebanon ranks in the upper 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 Lebanon is located at latitude 38.6039 and longitude -89.8073 in St. Clair County. The formal boundaries for the City of Lebanon encompass a land area of 2.46 sq. miles and a water area of 0.01 sq. miles. St. Clair County is in the Central time zone (GMT -6). The elevation is 512 feet.

The City of Lebanon 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 Lebanon is located within Township of Lebanon, a minor civil division (MCD) of St. Clair County.

Jump to... (On This Page!)
  1. Lebanon 2021 Demographic Data
  2. Growth Rates for Lebanon (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Illinois Research Tools (Easy Tools & Current Data)
  3. Illinois Data Comparison Tool - 2021 Demographics

Lebanon, IL Data & Demographics (As of July 1, 2021)


Total Population 4,292 (100%)
Population in Households 3,848 (89.7%)
Population in Families 2,747 (64.0%)
Population in Group Quarters1 444 (10.3%)
Population Density 1,614
Diversity Index2 42


Median Household Income $64,020
Average Household Income $78,114
% of Income for Mortgage4 12%
Per Capita Income $29,336
Wealth Index5 69


Total HU (Housing Units) 1,860 (100%)
Owner Occupied HU 1,013 (54.5%)
Renter Occupied HU 616 (33.1%)
Vacant Housing Units 231 (12.4%)
Median Home Value $187,147
Average Home Value $219,102
Housing Affordability Index3 189


Total Households 1,629
Average Household Size 2.36
Family Households 978
Average Family Size 3
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  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 races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2010-2021 2021-2026
Population -0.25% -0.41%
Households -0.07% -0.33%
Families 0.24% -0.47%
Median Household Income   2.4%
Per Capita Income   2.69%
Owner Occupied HU   0.08%

Lebanon, IL - Peer Comparisons by Rank and Percentile

The table below compares Lebanon to the other 1,369 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2021 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 # 361 74th
Population Density # 403 71st
Median Household Income # 551 60th
Housing Affordability Index # 430 31st
Per Capita Income # 739 46th
Diversity Index # 256 81st

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

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