Wilmington, IL Profile: Facts, Map & Data


Wilmington Local Links & Resources:
Hotels | Resources | ALL Wilmington Content

Also See: Wilmington, IL ZIP Codes & ZIP Code Maps | Local Area Photos

Wilmington, Illinois - Basic Facts

The City of Wilmington had a population of 5,813 as of July 1, 2017.

The primary coordinate point for Wilmington is located at latitude 41.3171 and longitude -88.1436 in Will County. The formal boundaries for the City of Wilmington (see map below) encompass a land area of 9.36 sq. miles and a water area of 0.65 sq. miles. Will County is in the Central time zone (GMT -6). The elevation is 545 feet.

The City of Wilmington (GNIS ID: 2397328) 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 Wilmington is located within Township of Wilmington, a minor civil division (MCD) of Will County.

Beneath the boundary map are tables with Wilmington population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

Alternate Unofficial Names for Wilmington: Winchester.

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


City of Wilmington, IL Boundary Map

Also See: BIG Map | Driving Directions | IL Congressional Districts
Boundary Maps: Township of Wilmington | Will County | Illinois Counties

Search the map for:

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


Total Population 5,813
Daytime Population: Workers 2,620
Daytime Population: Residents 3,073
Total Daytime Population (TDP) 5,693
Ratio TDP/Total Population1 0.98
Population in Households 5,632
Population in Familes 4,426
Population in Group Qrtrs 181
Population Density2 621
Diversity Index3 18


Median Household Income $59,282
Average Household Income $72,102
Per Capita Income $29,806


Total Housing Units 2,496 (100%)
Owner Occupied HU 1,442 (57.8%)
Renter Occupied HU 851 (34.1%)
Vacant Housing Units 203 ( 8.1%)
Median Home Value $171,727
Average Home Value $199,688


Total Households 2,293
Average Household Size 2.46
Family Households 1,458
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 0.21% 0.38%
Households 0.29% 0.4%
Families -0.13% 0.23%
Median Household Income   1.73%
Per Capita Income   2.36%

Wilmington, IL - Peer Comparisons by Rank and Percentile

The table below compares Wilmington 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 # 311 77th
Population Density # 1001 27th
Diversity Index # 530 61st
Median Household Income # 454 67th
Per Capita Income # 451 67th

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

Illinois Research Tools

Illinois Census Data Comparison Tool

Compare Illinois Census Data
Highest or Lowest: