Mendota, IL Profile: Facts, Map & Data


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Mendota, Illinois - Basic Facts

The City of Mendota had a population of 7,355 as of July 1, 2017. Mendota 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 Mendota is located at latitude 41.5567 and longitude -89.1005 in LaSalle County. The formal boundaries for the City of Mendota (see map below) encompass a land area of 4.98 sq. miles and a water area of 0.1 sq. miles. LaSalle County is in the Central time zone (GMT -6). The elevation is 741 feet.

The City of Mendota (GNIS ID: 2395095) 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 Mendota is located within Township of Mendota, a minor civil division (MCD) of LaSalle County.

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

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Boundary Maps: Township of Mendota | LaSalle County | Illinois Counties

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Mendota, IL Data & Demographics (As of July 1, 2017)


Total Population 7,355
Daytime Population: Workers 3,727
Daytime Population: Residents 3,840
Total Daytime Population (TDP) 7,567
Ratio TDP/Total Population1 1.03
Population in Households 7,160
Population in Familes 5,862
Population in Group Qrtrs 195
Population Density2 1,476
Diversity Index3 56


Median Household Income $48,543
Average Household Income $60,503
Per Capita Income $23,242


Total Housing Units 3,055 (100%)
Owner Occupied HU 1,983 (64.9%)
Renter Occupied HU 830 (27.2%)
Vacant Housing Units 242 ( 7.9%)
Median Home Value $127,443
Average Home Value $148,513


Total Households 2,813
Average Household Size 2.55
Family Households 1,872
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 -0.03% -0.32%
Households -0.06% -0.3%
Families -0.07% -0.44%
Median Household Income   1.17%
Per Capita Income   2.59%

Mendota, IL - Peer Comparisons by Rank and Percentile

The table below compares Mendota to the other 1,368 incorporated cities, towns and CDPs in Illinois 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 # 282 79th
Population Density # 481 65th
Diversity Index # 145 89th
Median Household Income # 888 35th
Per Capita Income # 1036 24th

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

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