61739 ZIP Code — Fairbury, IL

Livingston County, Illinois

ZIP code 61739 is located in Fairbury, Illinois, within Livingston County. It covers approximately 106.06 square miles and serves a population of 4,635 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 779/815.

About ZIP code 61739

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 $155,700. Owner-occupancy sits near the national average at 69%.

Median household income is $72,143. 42% 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 17 minutes is near the national average.

College attainment at 20% is below the national average, consistent with a trades and production-oriented local economy.

4,635
population
106.06
sq mi land
Standard
ZIP type
Central (CT)
timezone
61739 ZIP code map
Cities in ZIP code 61739

Below are the cities the US Postal Service accepts for ZIP code 61739. Using any city not on this list may result in mail delivery delays.

City Status
Fairbury Acceptable
Fairbury Preferred
Nearby ZIP codes
61741 Forrest (7.2 mi) 61726 Chenoa (8.7 mi) 61731 Cropsey (9 mi) 61775 Strawn (9.1 mi) 61728 Colfax (11.3 mi) 61764 Pontiac (11.5 mi) 61769 Saunemin (12.3 mi) 60921 Chatsworth (12.5 mi) 61773 Sibley (13 mi) 61720 Anchor (13.5 mi) 61753 Lexington (16.2 mi) 60929 Cullom (16.2 mi)
Demographics updated 05/2026
Population
Total population 4,635
Population density 44 / sq mi
State FIPS 17
County FIPS 105
Geography
Land area 106.06 sq mi
Water area 0.40 sq mi
Latitude 40.7248
Longitude -88.5326
Timezone Central (CT)
Area code 779/815
Total population by age
Gender
Race & ethnicity
Economics updated 05/2026
Household income
Income range This ZIP County avg State avg
Under $50k 35.3% 41.5% 37.2%
$50k – $100k 41.3% 34.5% 29.6%
$100k – $200k 23.0% 21.2% 24.4%
Over $200k 0.4% 2.8% 8.8%

Demographics & statistics

4,635
Population
44
People per sq mi
42.4
Median age
$72,143
Median household income
$37,008
Per capita income
$155,700
Median home value
$798
Median monthly rent
69.3%
Home ownership
1.9%
Poverty rate
3.1%
Unemployment
1,388
Housing units
20.1%
Bachelor's or higher

Age distribution

Male Female
153
Under 5
170
167
5–9
187
167
10–14
187
144
15–19
160
73
20–24
81
221
25–34
246
234
35–44
261
232
45–54
258
152
55–59
170
135
60–64
151
274
65–74
306
131
75–84
145
109
85+
121
← Male
Female →

Age summary

GroupCount%
Under 181,26827.4%
18 and over3,36772.6%
65 and over1,08623.4%
Median age42.4 years

Race & ethnicity

White 96.1%
Two or more races 1.9%
Black or African American 1.4%
Asian 0.4%
Hispanic or Latino 0.1%
Other race 0.1%
GroupCount%
White4,45896.1%
Two or more races881.9%
Black or African American661.4%
Asian190.4%
Hispanic or Latino40.1%
Other race40.1%

Household income

Income range This ZIP County avg State avg
Under $50k 35.3% 41.5% 37.2%
$50k – $100k 41.3% 34.5% 29.6%
$100k – $200k 23.0% 21.2% 24.4%
Over $200k 0.4% 2.8% 8.8%
Under $10k 0.2%
$10k–$15k 0.7%
$15k–$25k 7.8%
$25k–$35k 10.0%
$35k–$50k 12.8%
$50k–$75k 19.6%
$75k–$100k 11.9%
$100k–$150k 20.6%
$150k–$200k 8.9%
$200k+ 7.6%
Range% of households
Under $10k0.2%
$10k–$15k0.7%
$15k–$25k7.8%
$25k–$35k10.0%
$35k–$50k12.8%
$50k–$75k19.6%
$75k–$100k11.9%
$100k–$150k20.6%
$150k–$200k8.9%
$200k+7.6%
Median income$72,143

Housing

Home values

Under $50k 7.2%
$50k–$100k 20.5%
$100k–$150k 18.3%
$150k–$200k 28.5%
$200k–$300k 16.3%
$300k–$500k 8.6%
$500k–$1M 0.2%
$1M+ 0.3%

Housing overview

MetricValue
Median home value$155,700
Median rent / month$798
Owner occupied69.3%
Renter occupied30.7%
Vacant3.9%
Single-family detached80.3%
Large apartment buildings0.0%
Mobile homes0.9%
Median rooms6.4
Avg household size (owned)2.66

Year built

Era%
2020 or later0.0%
2010–20193.7%
2000–20096.5%
1990–19997.1%
1980–19898.2%
1970–19797.1%
1960–196913.8%
1950–195916.6%
1940–19495.5%
1939 or earlier31.5%

Bedrooms

Size% of units
No bedroom (studio)2.2%
1 bedroom2.6%
2 bedrooms35.0%
3 bedrooms35.8%
4 bedrooms16.6%
5+ bedrooms7.7%

Vehicles per household

Vehicles% of households
No vehicle1.8%
1 vehicle39.9%
2 vehicles33.0%
3 or more25.3%

Heating fuel

Fuel type%
Utility gas69.6%
Electricity20.0%
Propane / LP gas7.6%
Wood1.2%
No fuel used1.6%

Households & families

Household typeCount%
Married-couple family99552.5%
Cohabiting couple713.7%
Male householder, no spouse25713.6%
Female householder, no spouse57130.1%
Households with children under 1874939.5%
Households with seniors (65+)73738.9%
Average household size2.41

Marital status

StatusMaleFemale
Never married26.1%17.8%
Married62.9%52.4%
Separated0.5%0.4%
Widowed2.9%17.0%
Divorced7.6%12.4%

Education

Less than 9th grade 4.4%
Some HS, no diploma 3.6%
HS graduate 40.1%
Some college, no degree 18.6%
Associate's degree 13.3%
Bachelor's degree 15.5%
Graduate / professional 4.6%
Metric%
HS diploma or higher92.1%
Bachelor's or higher20.1%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool13912.4%
Kindergarten635.6%
Elementary school57351.3%
High school28125.2%
College / grad school615.5%

Employment

Industry of employment

Education & healthcare 29.8%
Manufacturing 18.8%
Retail trade 10.0%
Public administration 7.2%
Other services 6.0%
Construction 5.8%
Arts, food & hospitality 5.4%
Transportation & utilities 4.6%
Agriculture & mining 4.1%
Professional & management 3.4%
Finance & real estate 3.2%
Wholesale trade 1.3%
Information 0.4%

Occupation

Category%
Management, business & arts28.2%
Service19.9%
Sales & office20.0%
Natural resources & construction12.1%
Production & transportation20.0%

Employment type

Type%
Private sector76.8%
Government16.3%
Self-employed6.2%
Unpaid family workers0.7%

Commute

Method%
Drive alone80.6%
Carpool2.5%
Public transit0.0%
Walk5.2%
Work from home10.5%
Other means1.2%
Avg commute (minutes)17.4

Poverty

All people 1.9%
Under 18 years 2.0%
18 and over 1.9%
Married-couple families 0.0%
Female-led households 10.7%

Income support

Source% of households
Social Security42.4%
Retirement income28.7%
Supplemental Security5.5%
Cash public assistance2.7%
Food stamps / SNAP9.9%

Health indicators

Condition%
Obesity33.6%
High blood pressure35.3%
High cholesterol35.5%
Diabetes10.4%
Heart disease7.4%
Stroke3.4%
Asthma9.6%
Arthritis28.9%
Kidney disease3.1%
Pulmonary disease7.9%
Cancer7.9%
Behavior / access%
Smoking18.5%
Binge drinking14.9%
No physical activity26.1%
Less than 7 hrs sleep31.1%
Depression17.6%
Fair or poor health14.9%
Poor mental health12.8%
Poor physical health10.4%
No health insurance11.0%
Visited doctor (checkup)77.4%
Visited dentist65.1%
Cholesterol screening89.8%
Teeth loss15.4%

Veterans & disability

VeteransCount%
Civilian veterans3069.1%
Disability%
Any disability15.3%
Under 189.1%
18–64 years9.1%
65 and over37.0%

Health insurance coverage

Type%
Private insurance68.0%
Public insurance46.5%
No insurance4.6%
Uninsured under 197.2%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only4,31293.0%
Spanish270.6%
Other Indo-European40.1%
Asian & Pacific Islander40.1%
Other languages190.4%

Place of birth & citizenship

OriginCount%
Native born (US)4,61699.6%
Born in same state4,61699.6%
Born in different state3,80582.1%
Foreign born00.0%
Naturalized citizen190.4%
Not a US citizen00.0%

Ancestry

AncestryCount%
Italian92920%
French48010.4%
Arab3427.4%
English621.3%
AncestryCount%
Dutch501.1%
Norwegian310.7%
Polish160.3%
Irish140.3%

Technology access

Metric% of households
Computer access40.9%
Internet access90.2%

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

Frequently asked questions about ZIP code 61739

What city is ZIP code 61739 in?

ZIP code 61739 is primarily assigned to Fairbury, Illinois.

What county is ZIP code 61739 in?

ZIP code 61739 falls within Livingston County, Illinois.

Does ZIP code 61739 have a large retiree population?

42% of households in ZIP code 61739 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 61739?

The median home value in ZIP code 61739 is $155,700.

Does ZIP code 61739 have a large veteran population?

9% of civilians in ZIP code 61739 are veterans, above the national average of ~7%.

What is the population of ZIP code 61739?

ZIP code 61739 has an estimated population of 4,635 residents, with a density of 44 people per square mile.

What timezone is ZIP code 61739 in?

ZIP code 61739 observes the CST timezone.

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