61721 ZIP Code — Armington, IL

Tazewell County, Illinois

ZIP code 61721 is located in Armington, Illinois, within Tazewell County. It covers approximately 34.16 square miles and serves a population of 573 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 309.

About ZIP code 61721

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 $129,000. Owner-occupancy is high at 90%, well above the national average.

Median household income is $86,583. 51% 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 23 minutes is near the national average.

Educational attainment is near the national average, with 30% of residents holding a bachelor's degree or higher.

Notable community characteristics include a notable veteran presence at 19% of civilians, above the national average of 7%; and disability rates above the national average at 25%.

Overall, ZIP code 61721 reflects a community defined by a strong veteran community, high homeownership, and a significant Social Security-dependent population.

573
population
34.16
sq mi land
Standard
ZIP type
Central (CT)
timezone
61721 ZIP code map
Cities in ZIP code 61721

Below are the cities the US Postal Service accepts for ZIP code 61721. Using any city not on this list may result in mail delivery delays.

City Status
Armington Acceptable
Armington Preferred
Nearby ZIP codes
61759 Minier (5.5 mi) 61747 Hopedale (6.9 mi) 61774 Stanford (7.4 mi) 61723 Atlanta (8.1 mi) 61734 Delavan (9.1 mi) 61754 Mc Lean (9.2 mi) 62635 Emden (10.1 mi) 62643 Hartsburg (10.8 mi) 61755 Mackinaw (11.4 mi) 61772 Shirley (12.9 mi) 61568 Tremont (12.9 mi) 61732 Danvers (13.5 mi)
Demographics updated 05/2026
Population
Total population 573
Population density 17 / sq mi
State FIPS 17
County FIPS 179
Geography
Land area 34.16 sq mi
Water area 0.01 sq mi
Latitude 40.3613
Longitude -89.3216
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 30.4% 37.5% 37.2%
$50k – $100k 55.4% 33.6% 29.6%
$100k – $200k 13.8% 24.0% 24.4%
Over $200k 0.4% 4.9% 8.8%

Demographics & statistics

573
Population
17
People per sq mi
54.6
Median age
$86,583
Median household income
$37,332
Per capita income
$129,000
Median home value
$1,179
Median monthly rent
89.6%
Home ownership
11.0%
Poverty rate
4.0%
Unemployment
221
Housing units
30.4%
Bachelor's or higher

Age distribution

Male Female
22
Under 5
22
27
5–9
28
4
10–14
5
8
15–19
9
5
20–24
5
19
25–34
19
10
35–44
11
48
45–54
49
23
55–59
24
10
60–64
10
51
65–74
52
55
75–84
55
1
85+
1
← Male
Female →

Age summary

GroupCount%
Under 1811820.6%
18 and over45579.4%
65 and over21537.5%
Median age54.6 years

Race & ethnicity

White 78.7%
Two or more races 10.9%
Hispanic or Latino 9.6%
Asian 0.8%
GroupCount%
White49978.7%
Two or more races6910.9%
Hispanic or Latino619.6%
Asian50.8%

Household income

Income range This ZIP County avg State avg
Under $50k 30.4% 37.5% 37.2%
$50k – $100k 55.4% 33.6% 29.6%
$100k – $200k 13.8% 24.0% 24.4%
Over $200k 0.4% 4.9% 8.8%
Under $10k 2.2%
$10k–$15k 1.3%
$15k–$25k 4.8%
$25k–$35k 9.1%
$35k–$50k 12.1%
$50k–$75k 10.8%
$75k–$100k 16.0%
$100k–$150k 35.5%
$150k–$200k 2.6%
$200k+ 5.6%
Range% of households
Under $10k2.2%
$10k–$15k1.3%
$15k–$25k4.8%
$25k–$35k9.1%
$35k–$50k12.1%
$50k–$75k10.8%
$75k–$100k16.0%
$100k–$150k35.5%
$150k–$200k2.6%
$200k+5.6%
Median income$86,583

Housing

Home values

Under $50k 1.9%
$50k–$100k 35.3%
$100k–$150k 42.0%
$150k–$200k 12.6%
$200k–$300k 7.2%
$300k–$500k 1.0%

Housing overview

MetricValue
Median home value$129,000
Median rent / month$1,179
Owner occupied89.6%
Renter occupied10.4%
Vacant5.7%
Single-family detached95.1%
Large apartment buildings0.0%
Mobile homes1.2%
Median rooms6.4
Avg household size (owned)2.23

Year built

Era%
2020 or later0.0%
2010–20190.0%
2000–20090.4%
1990–19990.0%
1980–198928.2%
1970–197915.5%
1960–19696.1%
1950–195911.4%
1940–19498.2%
1939 or earlier30.2%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom0.4%
2 bedrooms19.6%
3 bedrooms55.9%
4 bedrooms22.4%
5+ bedrooms1.6%

Vehicles per household

Vehicles% of households
No vehicle0.4%
1 vehicle14.7%
2 vehicles55.4%
3 or more29.4%

Heating fuel

Fuel type%
Utility gas47.2%
Electricity9.5%
Propane / LP gas38.1%
Wood5.2%

Households & families

Household typeCount%
Married-couple family17475.3%
Cohabiting couple104.3%
Male householder, no spouse208.7%
Female householder, no spouse2711.7%
Households with children under 184619.9%
Households with seniors (65+)13056.3%
Average household size2.48

Marital status

StatusMaleFemale
Never married18.2%4.4%
Married74.2%79.0%
Separated0.0%1.3%
Widowed0.4%9.6%
Divorced7.2%5.7%

Education

Less than 9th grade 0.2%
Some HS, no diploma 4.1%
HS graduate 38.1%
Some college, no degree 23.1%
Associate's degree 4.1%
Bachelor's degree 28.3%
Graduate / professional 2.1%
Metric%
HS diploma or higher95.7%
Bachelor's or higher30.4%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool78.0%
Kindergarten2933.0%
Elementary school3236.4%
High school1517.0%
College / grad school55.7%

Employment

Industry of employment

Education & healthcare 24.1%
Agriculture & mining 14.5%
Finance & real estate 11.4%
Manufacturing 10.8%
Other services 7.2%
Retail trade 6.6%
Construction 6.0%
Transportation & utilities 4.8%
Arts, food & hospitality 4.2%
Public administration 4.2%
Professional & management 3.6%
Wholesale trade 1.2%
Information 1.2%

Occupation

Category%
Management, business & arts39.8%
Service19.3%
Sales & office8.4%
Natural resources & construction15.1%
Production & transportation17.5%

Employment type

Type%
Private sector73.5%
Government12.0%
Self-employed14.5%
Unpaid family workers0.0%

Commute

Method%
Drive alone81.9%
Carpool4.8%
Public transit1.2%
Walk1.8%
Work from home9.6%
Other means0.6%
Avg commute (minutes)22.9

Poverty

All people 11.0%
Under 18 years 15.3%
18 and over 9.9%
Married-couple families 4.6%
Female-led households 50.0%

Income support

Source% of households
Social Security51.1%
Retirement income51.5%
Supplemental Security2.6%
Cash public assistance0.4%
Food stamps / SNAP8.2%

Health indicators

Condition%
Obesity33.1%
High blood pressure31.8%
High cholesterol32.9%
Diabetes9.3%
Heart disease6.3%
Stroke2.8%
Asthma9.2%
Arthritis25.4%
Kidney disease2.7%
Pulmonary disease6.9%
Cancer7.0%
Behavior / access%
Smoking18.0%
Binge drinking16.1%
No physical activity23.1%
Less than 7 hrs sleep31.1%
Depression17.1%
Fair or poor health12.6%
Poor mental health12.2%
Poor physical health9.3%
No health insurance9.6%
Visited doctor (checkup)76.4%
Visited dentist65.9%
Cholesterol screening90.0%
Teeth loss12.7%

Veterans & disability

VeteransCount%
Civilian veterans8719.1%
Disability%
Any disability24.6%
Under 182.5%
18–64 years26.7%
65 and over34.4%

Health insurance coverage

Type%
Private insurance80.3%
Public insurance43.5%
No insurance3.3%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only52992.3%
Spanish101.9%
Other Indo-European101.9%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)56799.0%
Born in same state56398.3%
Born in different state50387.8%
Foreign born40.7%
Naturalized citizen61.0%
Not a US citizen233.3%

Ancestry

AncestryCount%
Italian7613.3%
French6711.7%
Arab244.2%
AncestryCount%
English122.1%
German10.2%
Polish10.2%

Technology access

Metric% of households
Computer access40.3%
Internet access97.4%

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

Frequently asked questions about ZIP code 61721

What city is ZIP code 61721 in?

ZIP code 61721 is primarily assigned to Armington, Illinois.

What county is ZIP code 61721 in?

ZIP code 61721 falls within Tazewell County, Illinois.

Does ZIP code 61721 have an older population?

38% of residents in ZIP code 61721 are 65 or older, above the national average of ~17%.

Does ZIP code 61721 have a large retiree population?

51% of households in ZIP code 61721 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 61721 mostly owner-occupied?

90% of occupied units in ZIP code 61721 are owner-occupied, well above the national average.

Does ZIP code 61721 have a large veteran population?

19% of civilians in ZIP code 61721 are veterans, above the national average of ~7%.

What timezone is ZIP code 61721 in?

ZIP code 61721 observes the CST timezone.

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