Duncan Mills, Emiquon National Wildlife Refuge, IL demographics:
population, income, and more

Total population
3
50.0% year-over-year change
Median household income
$67,540/yr
12.7% year-over-year change
Housing units
1
0.0% year-over-year change

Duncan Mills population

How many people live in Duncan Mills

Duncan Mills is home to 3 residents, according to the most recent Census data. Gender-wise, 33.3% of Duncan Mills locals are male, and 33.3% are female.

Total population
3
50.0% year-over-year change
Gender ratio
Male
33.3%
1
Female
33.3%
1
Value Percent YoY change
Male 1 33.3% 0.0%
Female 1 33.3% 0.0%
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

Adults between 25 and 44 make up 33.3% of the population, while another 33.3% fall into the 45 to 64 bracket. Finally, around 33.3% are 65 or older.

Median age
39
Age breakdown
Under 15
0%
15 to 24
0%
25 to 44
33.3%
45 to 64
33.3%
Over 65
33.3%
Value Percent YoY change
25 to 44 1 33.3% 0.0%
45 to 64 1 33.3% 0.0%
Over 65 1 33.3% 0.0%
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

Citizenship
U.S.-born citizens
100%
Non-U.S.-born citizens
0%
Non-citizens
0%
Value Percent YoY change
U.S.-born citizens 2 100% 0.0%
Racial breakdown
White
100%
Black or African American
0%
American Indian and Alaska Native
0%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
0%
Other
0%
Value Percent
White 2 100%

Households in Duncan Mills

A peek inside Duncan Mills households

Duncan Mills has 1 households, with an average of 2 members in each.

Households stats

Total households
1
0.0% year-over-year change
Average people per household
2
Non-family households
0
Family households
1
Value Percent YoY change
Family households 1 100% 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 Duncan Mills

The housing landscape of Duncan Mills

Duncan Mills's housing consists of 1 units, with 100% being detached single-family homes ideal for those wanting space.

Housing units
1
0.0% year-over-year change
Housing types
Value Percent
1 unit, detached 1 100%
Homes built since 2020
0
% year-over-year change

The age of buildings in Duncan Mills

In Duncan Mills, the median construction year is 1962. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
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.

Duncan Mills occupancy rates

Occupied housing units
1
0.0% year-over-year change
Occupancy breakdown
Renter occupied
0
Owner occupied
1
Value Percent YoY
change
Owner occupied 1 100% 0.0%
Unoccupied housing units
0.0%
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.

Duncan Mills housing costs

Housing costs in Duncan Mills come to a median of $890 per month, while tenants specifically pay a median gross rent of $857.

Median housing costs per month
$890/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 Duncan Mills
$857/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 Duncan Mills

Duncan Mills education at a glance

Education level
Value Percent YoY change
High school diploma 1 100% 0.0%
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 Duncan Mills

How much people earn in Duncan Mills

The average annual household income in Duncan Mills was $80,442 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +4.5% change from the previous year. At the same time, the median income stood at $67,540, reflecting a +12.7% shift over the same period.

Average household income in Duncan Mills
$80,442/year
4.5% year-over-year change
Median household income in Duncan Mills
$67,540/year
12.7% year-over-year change

Duncan Mills income by age

In Duncan Mills, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $68,969. Those with someone between 45 and 64 in charge, often well established professionally, earn $77,473 overall. Overall, 100% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $68,969 12.1%
45 - 64 $77,473 -19.2%
Over 65 $59,524 15.5%
Above poverty level
2
Below poverty level
0
Value Percent YoY
change
Above poverty level 2 100% 0.0%

Employment in Duncan Mills

Workforce and job types in Duncan Mills

Workforce demographics

White collar
1
Blue collar
0
Value Percent YoY change
White collar 1 100% 0.0%
Employer type
Self employees
0%
Private companies
100%
Governmental workers
0%
Not for profit companies
0%
Value Percent YoY change
Private companies 1 100% 0.0%

Transportation in Duncan Mills

How people get around in Duncan Mills

Means of transportation
Value Percent YoY change
Car 1 100% 0.0%
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 Duncan Mills by zipcode?

Zipcode Population Number of households Median income Average income
61441 945 367 $65,972 $83,426
61542 3,280 1,476 $69,107 $79,716

Explore more communities

FAQs about Duncan Mills demographics 

What is the total population of Duncan Mills?

Duncan Mills has a total population of 3 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 +50.0% compared to a year ago.

What is the gender ratio in Duncan Mills?

The gender ratio in Duncan Mills is as follows:
  • 33.3% males (1 residents)
  • 33.3% females (1 residents)

What is the median age in Duncan Mills?

The median age in Duncan Mills is 39.

What is the age distribution of the population in Duncan Mills?

The age distribution in Duncan Mills is as follows:
  • Under 15: 0% (0 residents)
  • Ages 15-24: 0% (0 residents)
  • Ages 25-44: 33.3% (1 residents)
  • Ages 45-64: 33.3% (1 residents)
  • Over 65: 33.3% (1 residents)

What is the racial and ethnic makeup of Duncan Mills?

The racial and ethnic makeup of Duncan Mills is as follows:
  • White: 100% (2 residents)
  • Black or African American: 0% (0 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 0% (0 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 0% (0 residents)
  • Other: 0% (0 residents)

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

U.S.-born citizens represent 100% of the population in Duncan Mills.

How many housing units are there in Duncan Mills?

There are 1 housing units in Duncan Mills, reflecting a 0.0% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Duncan Mills has a total of 1 households, with an average of 2 people in each.

What is the median household income in Duncan Mills?

Duncan Mills has a median household income of $67,540, representing a +12.7% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Duncan Mills?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 100% (1 residents)
  • Blue-collar workers: 0% (0 residents)

Places of employment:
  • Self-employed: 0% (0 residents)
  • Private companies: 100% (1 residents)
  • Governmental workers: 0% (0 residents)
  • Not-for-profit companies: 0% (0 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