Wilmington, IL demographics:
population, income, and more

Total population
5,586
-0.6% year-over-year change
Median household income
$70,160/yr
3.5% year-over-year change
Housing units
2,459
1.1% year-over-year change

Wilmington population

How many people live in Wilmington

Wilmington is home to 5,586 residents, according to the most recent Census data. Gender-wise, 49.5% of Wilmington locals are male, and 50.5% are female.

Total population
5,586
-0.6% year-over-year change
Gender ratio
Male
49.5%
2,765
Female
50.5%
2,821
Value Percent YoY change
Male 2,765 49.5% 0.4%
Female 2,821 50.5% -1.6%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Wilmington is 43, with the population distributed as follows: about 17.2% are children under 15, then 11.7% are in the 15 to 24 age group. Adults between 25 and 44 make up 25% of the population, while another 25.4% fall into the 45 to 64 bracket. Finally, around 20.8% are 65 or older.

Median age
43
Age breakdown
Under 15
17.2%
15 to 24
11.7%
25 to 44
25%
45 to 64
25.4%
Over 65
20.8%
Value Percent YoY change
Under 15 962 17.2% -6.0%
15 to 24 652 11.7% -4.3%
25 to 44 1,394 25% 2.0%
45 to 64 1,417 25.4% -1.5%
Over 65 1,161 20.8% 4.4%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Wilmington, 95% of the population are US-born citizens, while 2.8% have gained naturalized citizenship. At the same time, 2.2% of residents are non-citizens. As for race, 89.2% of locals are Caucasian, 2.7% are African American and 0.8% have Asian roots. There’s also a share of 5.5% that includes residents with two or more races.

Citizenship
U.S.-born citizens
95%
Non-U.S.-born citizens
2.8%
Non-citizens
2.2%
Value Percent YoY change
U.S.-born citizens 5,307 95% -0.1%
Non-U.S.-born citizens 154 2.8% -9.9%
Non-citizens 125 2.2% -8.8%
Racial breakdown
White
89.2%
Black or African American
2.7%
American Indian and Alaska Native
0.1%
Asian
0.8%
Native Hawaiian and other Pacific Islander
0%
Two or more races
5.5%
Other
1.8%
Value Percent
White 4,981 89.2%
Black or African American 149 2.7%
American Indian and Alaska Native 5 0.1%
Asian 45 0.8%
Two or more races 306 5.5%
Other 100 1.8%

Households in Wilmington

A peek inside Wilmington households

Wilmington has 2,328 households, with an average of 2 members in each. Of these, 55.3% are families, while the remaining 44.7% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
2,328
1.3% year-over-year change
Average people per household
2
Non-family households
1,041
Family households
1,287
Value Percent YoY change
Non-family households 1,041 44.7% 2.9%
Family households 1,287 55.3% 0.0%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Wilmington

The housing landscape of Wilmington

Wilmington's housing consists of 2,459 units, with 67.4% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 8% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 0.8% of the housing landscape.

Housing units
2,459
1.1% year-over-year change
Housing types
Value Percent
1 unit, detached 1,658 67.4%
1 unit, attached 196 8%
2 units 26 1.1%
3 or 4 units 239 9.7%
5 to 9 units 206 8.4%
10 to 19 units 59 2.4%
20 to 49 units 40 1.6%
Mobile home 19 0.8%
Boat, RV, van, etc. 16 0.6%
Homes built since 2020
% year-over-year change

The age of buildings in Wilmington

In Wilmington, the median construction year is 1955. About 11% of homes were built before the 1940s, with another 7.6% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 270 11% -8.2%
Built between 1940 and 1949 188 7.6% 23.7%
Built between 1950 and 1959 277 11.3% 0.7%
Built between 1960 and 1969 425 17.3% 1.4%
Built between 1970 and 1979 364 14.8% 13.8%
Built between 1980 and 1989 224 9.1% -9.3%
Built between 1990 and 1999 307 12.5% 3.7%
Built between 2000 and 2009 348 14.2% -7.9%
Built between 2010 and 2019 56 2.3% 7.7%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Wilmington occupancy rates

Out of the 2,328 occupied housing units in Wilmington, 64.8% are owner-occupied, while 35.2% are lived in by tenants. Meanwhile, 5.3% of all homes on the local market sit vacant.

Occupied housing units
2,328
1.3% year-over-year change
Occupancy breakdown
Renter occupied
820
Owner occupied
1,508
Value Percent YoY
change
Renter occupied 820 35.2% 1.0%
Owner occupied 1,508 64.8% 1.4%
Unoccupied housing units
5.3%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Wilmington housing costs

Housing costs in Wilmington come to a median of $857 per month, while tenants specifically pay a median gross rent of $888.

Median housing costs per month
$857/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Wilmington
$888/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Wilmington

Wilmington education at a glance

About 47.3% of the population in Wilmington went to high school, while 22.3% pursued college studies. Another 9.3% earned an associate degree and 12.3% hold a bachelor’s. Meanwhile, 6% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 127 2.8% 4.1%
High school diploma 2,106 47.3% 7.7%
College diploma 992 22.3% -7.8%
Associate degree 414 9.3% -1.7%
Bachelor's degree 548 12.3% -10.8%
Graduate degree 266 6% -2.9%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Wilmington

How much people earn in Wilmington

The average annual household income in Wilmington was $73,441 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -2.2% change from the previous year. At the same time, the median income stood at $70,160, reflecting a +3.5% shift over the same period.

Average household income in Wilmington
$73,441/year
-2.2% year-over-year change
Median household income in Wilmington
$70,160/year
3.5% year-over-year change

Wilmington income by age

In Wilmington, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $104,103. Those with someone between 45 and 64 in charge, often well established professionally, earn $79,545 overall. Overall, 87.8% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $104,103 5.7%
45 - 64 $79,545 2.9%
Over 65 $41,250 -44.5%
Above poverty level
4,573
Below poverty level
637
Value Percent YoY
change
Above poverty level 4,573 87.8% -1.2%
Below poverty level 637 12.2% 1.1%

Average renter income in Wilmington

To get a better sense of what renters earn on average in Wilmington, their median household income was $38,712 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 27.5%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$38,712
Rent-to-income ratio
27.5%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Wilmington

Workforce and job types in Wilmington

The job market in Wilmington is powered by 2,693 working residents, spread across a range of industries and roles. 68.3% of the working population are employed in professional or administrative positions, while 31.7% are in hands-on or service-based jobs. Also, 5.4% run their own businesses, 70.8% are employed by private companies, and 16.8% work in the public sector.

Workforce demographics

Working population
2,693
-4.3% year-over-year change
White collar
1,839
Blue collar
854
Value Percent YoY change
White collar 1,839 68.3% -6.1%
Blue collar 854 31.7% -0.2%
Employer type
Self employees
5.4%
Private companies
70.8%
Governmental workers
16.8%
Not for profit companies
7%
Value Percent YoY change
Self employees 144 5.4% 2.9%
Private companies 1,908 70.8% -5.9%
Governmental workers 453 16.8% -0.7%
Not for profit companies 188 7% -1.1%
Unemployment rate
4.6%
10.3% year-over-year change

Available workforce

The unemployment rate in Wilmington stands at 4.6%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Wilmington

How people get around in Wilmington

Commuting methods vary: 95.7% of residents travel by personal vehicle and 1.9% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 2,358 95.7% -5.2%
Railroad 55 2.2% 10.0%
Motorcycle 5 0.2% N/A
Walk 46 1.9% -19.3%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Wilmington by zipcode?

Zipcode Population Number of households Median income Average income
60481 11,195 4,595 $79,042 $93,941

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FAQs about Wilmington demographics 

What is the total population of Wilmington?

Wilmington has a total population of 5,586 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -0.6% compared to a year ago.

What is the gender ratio in Wilmington?

The gender ratio in Wilmington is as follows:
  • 49.5% males (2,765 residents)
  • 50.5% females (2,821 residents)

What is the median age in Wilmington?

The median age in Wilmington is 43.

What is the age distribution of the population in Wilmington?

The age distribution in Wilmington is as follows:
  • Under 15: 17.2% (962 residents)
  • Ages 15-24: 11.7% (652 residents)
  • Ages 25-44: 25% (1,394 residents)
  • Ages 45-64: 25.4% (1,417 residents)
  • Over 65: 20.8% (1,161 residents)

What is the racial and ethnic makeup of Wilmington?

The racial and ethnic makeup of Wilmington is as follows:
  • White: 89.2% (4,981 residents)
  • Black or African American: 2.7% (149 residents)
  • American Indian and Alaska Native: 0.1% (5 residents)
  • Asian: 0.8% (45 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 5.5% (306 residents)
  • Other: 1.8% (100 residents)

What percentage of the population in Wilmington are U.S.-born citizens?

U.S.-born citizens represent 95% of the population in Wilmington.

How many housing units are there in Wilmington?

There are 2,459 housing units in Wilmington, reflecting a +1.1% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Wilmington and what is the average household size?

Wilmington has a total of 2,328 households, with an average of 2 people in each.

What is the median household income in Wilmington?

Wilmington has a median household income of $70,160, representing a +3.5% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Wilmington?

The employment rate is 95.4% in Wilmington, with a workforce of 2,693 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 68.3% (1,839 residents)
  • Blue-collar workers: 31.7% (854 residents)

Places of employment:
  • Self-employed: 5.4% (144 residents)
  • Private companies: 70.8% (1,908 residents)
  • Governmental workers: 16.8% (453 residents)
  • Not-for-profit companies: 7% (188 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025