61544 ZIP Code — London Mills, IL

Fulton County, Illinois

ZIP code 61544 is located in London Mills, Illinois, within Fulton County. It covers approximately 39.74 square miles and serves a population of 872 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 309.

About ZIP code 61544

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $92,600. Owner-occupancy is high at 85%, well above the national average.

The gap between median ($75,000) and mean household income suggests income inequality — a small number of higher earners pull the average up. SNAP benefit usage at 18% of households reflects economic stress in the area. 39% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 32 minutes is near the national average.

Educational attainment is near the national average, with 22% of residents holding a bachelor's degree or higher.

Overall, ZIP code 61544 reflects a community defined by high homeownership, a significant Social Security-dependent population, and elevated reliance on food assistance.

872
population
39.74
sq mi land
Standard
ZIP type
Central (CT)
timezone
61544 ZIP code map
Cities in ZIP code 61544

Below are the cities the US Postal Service accepts for ZIP code 61544. Using any city not on this list may result in mail delivery delays.

City Status
London Mills Acceptable
London Mills Preferred
Nearby ZIP codes
61432 Fairview (4.9 mi) 61458 Maquon (6.6 mi) 61431 Ellisville (7.1 mi) 61474 Saint Augustine (8.7 mi) 61415 Avon (10.6 mi) 61531 Farmington (11.5 mi) 61410 Abingdon (11.9 mi) 61572 Yates City (12.3 mi) 61436 Gilson (12.4 mi) 61427 Cuba (13 mi) 61477 Smithfield (14 mi) 61520 Canton (14.1 mi)
Demographics updated 05/2026
Population
Total population 872
Population density 22 / sq mi
State FIPS 17
County FIPS 057
Geography
Land area 39.74 sq mi
Water area 0.07 sq mi
Latitude 40.6882
Longitude -90.2389
Timezone Central (CT)
Area code 309
Total population by age
Gender
Race & ethnicity
Economics updated 05/2026
Household income
Income range This ZIP County avg State avg
Under $50k 35.7% 47.2% 37.2%
$50k – $100k 31.3% 30.9% 29.6%
$100k – $200k 26.6% 18.2% 24.4%
Over $200k 6.4% 3.6% 8.8%

Demographics & statistics

872
Population
22
People per sq mi
33.5
Median age
$75,000
Median household income
$35,061
Per capita income
$92,600
Median home value
$869
Median monthly rent
84.5%
Home ownership
12.2%
Poverty rate
5.6%
Unemployment
335
Housing units
22.2%
Bachelor's or higher

Age distribution

Male Female
50
Under 5
52
40
5–9
42
47
10–14
49
13
15–19
14
10
20–24
10
65
25–34
68
51
35–44
54
33
45–54
35
27
55–59
28
27
60–64
28
42
65–74
43
20
75–84
20
2
85+
2
← Male
Female →

Age summary

GroupCount%
Under 1829934.3%
18 and over57365.7%
65 and over12914.8%
Median age33.5 years

Race & ethnicity

White 98.4%
Two or more races 1.6%
GroupCount%
White85898.4%
Two or more races141.6%

Household income

Income range This ZIP County avg State avg
Under $50k 35.7% 47.2% 37.2%
$50k – $100k 31.3% 30.9% 29.6%
$100k – $200k 26.6% 18.2% 24.4%
Over $200k 6.4% 3.6% 8.8%
Under $10k 4.1%
$10k–$15k 1.0%
$15k–$25k 6.9%
$25k–$35k 11.0%
$35k–$50k 7.6%
$50k–$75k 19.3%
$75k–$100k 9.3%
$100k–$150k 10.0%
$150k–$200k 24.8%
$200k+ 5.9%
Range% of households
Under $10k4.1%
$10k–$15k1.0%
$15k–$25k6.9%
$25k–$35k11.0%
$35k–$50k7.6%
$50k–$75k19.3%
$75k–$100k9.3%
$100k–$150k10.0%
$150k–$200k24.8%
$200k+5.9%
Median income$75,000

Housing

Home values

Under $50k 22.9%
$50k–$100k 37.1%
$100k–$150k 17.6%
$150k–$200k 8.6%
$200k–$300k 8.6%
$300k–$500k 5.3%

Housing overview

MetricValue
Median home value$92,600
Median rent / month$869
Owner occupied84.5%
Renter occupied15.5%
Vacant23.7%
Single-family detached95.0%
Large apartment buildings0.0%
Mobile homes2.9%
Median rooms6.4
Avg household size (owned)2.98

Year built

Era%
2020 or later1.3%
2010–20192.1%
2000–20090.5%
1990–19997.6%
1980–19891.6%
1970–197916.6%
1960–19693.2%
1950–195916.1%
1940–194911.8%
1939 or earlier39.2%

Bedrooms

Size% of units
No bedroom (studio)1.6%
1 bedroom6.1%
2 bedrooms17.9%
3 bedrooms52.4%
4 bedrooms17.6%
5+ bedrooms4.5%

Vehicles per household

Vehicles% of households
No vehicle1.7%
1 vehicle19.7%
2 vehicles42.4%
3 or more36.2%

Heating fuel

Fuel type%
Utility gas6.2%
Electricity18.6%
Propane / LP gas74.5%
Wood0.7%

Households & families

Household typeCount%
Married-couple family15653.8%
Cohabiting couple4214.5%
Male householder, no spouse4716.2%
Female householder, no spouse4515.5%
Households with children under 1810837.2%
Households with seniors (65+)9031.0%
Average household size3.01

Marital status

StatusMaleFemale
Never married30.5%21.7%
Married53.7%62.1%
Separated1.0%1.4%
Widowed4.4%5.1%
Divorced10.5%9.7%

Education

Less than 9th grade 0.4%
Some HS, no diploma 4.4%
HS graduate 27.5%
Some college, no degree 18.9%
Associate's degree 26.6%
Bachelor's degree 18.5%
Graduate / professional 3.7%
Metric%
HS diploma or higher95.2%
Bachelor's or higher22.2%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool229.6%
Kindergarten208.7%
Elementary school14462.6%
High school2510.9%
College / grad school198.3%

Employment

Industry of employment

Education & healthcare 34.3%
Transportation & utilities 13.4%
Manufacturing 12.1%
Other services 7.2%
Construction 5.9%
Agriculture & mining 5.2%
Finance & real estate 5.2%
Professional & management 4.9%
Retail trade 4.2%
Public administration 2.9%
Arts, food & hospitality 2.3%
Wholesale trade 1.3%
Information 1.0%

Occupation

Category%
Management, business & arts41.2%
Service17.3%
Sales & office13.4%
Natural resources & construction12.7%
Production & transportation15.4%

Employment type

Type%
Private sector85.3%
Government9.5%
Self-employed5.2%
Unpaid family workers0.0%

Commute

Method%
Drive alone85.8%
Carpool7.3%
Public transit0.0%
Walk1.7%
Work from home2.6%
Other means2.6%
Avg commute (minutes)31.8

Poverty

All people 12.2%
Under 18 years 15.4%
18 and over 10.5%
Married-couple families 2.6%
Female-led households 45.0%

Income support

Source% of households
Social Security38.6%
Retirement income35.5%
Supplemental Security11.4%
Cash public assistance7.2%
Food stamps / SNAP18.3%

Health indicators

Condition%
Obesity35.8%
High blood pressure36.5%
High cholesterol36.4%
Diabetes11.0%
Heart disease7.5%
Stroke3.5%
Asthma9.8%
Arthritis30.3%
Kidney disease3.2%
Pulmonary disease8.3%
Cancer7.9%
Behavior / access%
Smoking19.2%
Binge drinking14.5%
No physical activity25.7%
Less than 7 hrs sleep32.5%
Depression17.9%
Fair or poor health15.2%
Poor mental health12.7%
Poor physical health10.8%
No health insurance10.4%
Visited doctor (checkup)77.5%
Visited dentist64.6%
Cholesterol screening90.8%
Teeth loss14.2%

Veterans & disability

VeteransCount%
Civilian veterans519.1%
Disability%
Any disability14.4%
Under 187.4%
18–64 years14.1%
65 and over31.8%

Health insurance coverage

Type%
Private insurance71.7%
Public insurance41.6%
No insurance5.3%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only77088.3%
Spanish00.0%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)872100.0%
Born in same state872100.0%
Born in different state79290.8%
Foreign born00.0%
Naturalized citizen00.0%
Not a US citizen00.0%

Ancestry

AncestryCount%
French27731.8%
Italian11913.6%
Arab313.6%
AncestryCount%
English60.7%
Polish10.1%
Dutch10.1%

Technology access

Metric% of households
Computer access33.3%
Internet access90.0%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 61544

What city is ZIP code 61544 in?

ZIP code 61544 is primarily assigned to London Mills, Illinois.

What county is ZIP code 61544 in?

ZIP code 61544 falls within Fulton County, Illinois.

Is ZIP code 61544 family-oriented?

34% of residents in ZIP code 61544 are under 18, reflecting a younger, family-oriented community.

Is ZIP code 61544 mostly owner-occupied?

85% of occupied units in ZIP code 61544 are owner-occupied, well above the national average.

Does ZIP code 61544 have a large retiree population?

39% of households in ZIP code 61544 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 61544?

The median home value in ZIP code 61544 is $92,600.

What timezone is ZIP code 61544 in?

ZIP code 61544 observes the CST timezone.

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