Adair ZIP Codes — Mcdonough County, IL

There is one unique ZIP code in Adair, Illinois and it is 61411. Area code: 309.

ZIP codes

39.06

sq mi land

0.02

sq mi water

309

area code

Adair, IL ZIP code map

About Adair, IL

Adair is a charming village located in Mcdonough County, Illinois. Known for its small-town atmosphere, Adair offers a tight-knit community and a peaceful environment. This quaint town, with the ZIP code 61411, is a unique representation of rural Illinois living.

Location & geography

Geographically, Adair is situated in western Illinois, surrounded by the scenic landscapes typical of the region. It lies approximately 8 miles northwest of Macomb, the county seat, and is also near the cities of Colchester (10 miles south), Bushnell (13 miles east), and Industry (5 miles west). With a total land area of 39.06 square miles and a tiny water area of 0.02 square miles, the village features mostly land-locked terrain.

Community & economy

Adair is characterized by its welcoming community spirit and a slower pace of life that appeals to those seeking respite from urban chaos. The local economy is primarily driven by agriculture and small businesses, which serve the needs of residents and visitors alike. Daily life in Adair often revolves around community events, social gatherings, and enjoying the natural beauty that the village and its surroundings provide.

Transportation

Adair is accessible via U.S. Route 136, which connects it to nearby towns and cities, making transportation convenient for residents and visitors. The nearest airport with commercial service is the General Henry Army Airfield, located approximately 15 miles southeast in Macomb. Public transit options are limited, emphasizing the village's rural charm.

History

Adair was founded in the late 19th century, showcasing the agricultural heritage of Mcdonough County. As with many towns in the area, agriculture played a significant role in its early economy, and the village developed as a hub for local farmers. Over the years, Adair has maintained its quaint character while adapting to the changing times.

Did you know?

A little-known fact about Adair is that despite its small size, it has a rich history tied closely to the development of rural Illinois. Additionally, Adair is often overlooked by tourists, yet it offers a unique glimpse into the quiet life of a traditional Midwestern village.

ZIP codes for Adair, IL (1)

ZIP code	City	County	Map
61411	Adair	Mcdonough	View map

Demographics & statistics

346

Population

42.1

Median age

$87,702

Median household income

$33,720

Per capita income

$102,500

Median home value

Median monthly rent

59.1%

Home ownership

7.5%

Poverty rate

0.0%

Unemployment

172

Housing units

19.0%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

25–34

35–44

45–54

55–59

60–64

65–74

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	77	22.3%
18 and over	269	77.7%
65 and over	33	9.5%
Median age	42.1 years

Race & ethnicity

White 91.4%

Black or African American 7.5%

Hispanic or Latino 0.6%

Two or more races 0.6%

Group	Count	%
White	318	91.4%
Black or African American	26	7.5%
Hispanic or Latino	2	0.6%
Two or more races	2	0.6%

Household income

$15k–$25k 33.9%

$25k–$35k 7.0%

$50k–$75k 7.6%

$75k–$100k 19.3%

$100k–$150k 19.9%

$200k+ 12.3%

Range	% of households
$15k–$25k	33.9%
$25k–$35k	7.0%
$50k–$75k	7.6%
$75k–$100k	19.3%
$100k–$150k	19.9%
$200k+	12.3%
Median income	$87,702

Housing

Home values

Under $50k 10.9%

$50k–$100k 37.6%

$100k–$150k 14.9%

$150k–$200k 33.7%

$200k–$300k 3.0%

Housing overview

Metric	Value
Median home value	$102,500
Median rent / month	$0
Owner occupied	59.1%
Renter occupied	40.9%
Vacant	29.3%
Single-family detached	74.8%
Large apartment buildings	0.0%
Mobile homes	1.2%
Median rooms	5.6
Avg household size (owned)	2.33

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	0.0%
1990–1999	9.9%
1980–1989	0.0%
1970–1979	3.3%
1960–1969	5.0%
1950–1959	47.5%
1940–1949	8.7%
1939 or earlier	25.6%

Bedrooms

Size	% of units
No bedroom (studio)	24.0%
1 bedroom	16.5%
2 bedrooms	14.5%
3 bedrooms	37.6%
4 bedrooms	4.5%
5+ bedrooms	2.9%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	46.2%
2 vehicles	45.6%
3 or more	8.2%

Heating fuel

Fuel type	%
Utility gas	67.3%
Electricity	7.0%
Propane / LP gas	21.6%
Wood	4.1%

Households & families

Household type	Count	%
Married-couple family	102	59.6%
Cohabiting couple	58	33.9%
Male householder, no spouse	11	6.4%
Female householder, no spouse	0	0.0%
Households with children under 18	87	50.9%
Households with seniors (65+)	23	13.5%
Average household size	2.02

Marital status

Status	Male	Female
Never married	18.8%	36.9%
Married	73.2%	63.1%
Separated	0.0%	0.0%
Widowed	0.0%	0.0%
Divorced	8.0%	0.0%

Education

Less than 9th grade 0.0%

Some HS, no diploma 5.7%

HS graduate 35.5%

Some college, no degree 11.4%

Associate's degree 28.4%

Bachelor's degree 16.6%

Graduate / professional 2.4%

Metric	%
HS diploma or higher	94.3%
Bachelor's or higher	19.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	15	21.4%
Elementary school	11	15.7%
High school	42	60.0%
College / grad school	2	2.9%

Employment

Industry of employment

Education & healthcare 42.0%

Professional & management 13.7%

Construction 11.9%

Transportation & utilities 10.5%

Retail trade 6.4%

Manufacturing 5.5%

Public administration 4.1%

Other services 3.2%

Agriculture & mining 2.7%

Occupation

Category	%
Management, business & arts	11.4%
Service	33.3%
Sales & office	14.6%
Natural resources & construction	8.2%
Production & transportation	32.4%

Employment type

Type	%
Private sector	78.1%
Government	12.8%
Self-employed	9.1%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	76.0%
Carpool	13.4%
Public transit	0.0%
Walk	0.0%
Other means	3.7%
Avg commute (minutes)	23.7

Poverty

All people 7.5%

Under 18 years 33.8%

18 and over 0.0%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	20.5%
Retirement income	7.6%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
High blood pressure	38.6%
High cholesterol	37.1%
Heart disease	8.4%
Stroke	3.7%
Asthma	9.5%
Arthritis	31.6%
Kidney disease	3.5%
Pulmonary disease	8.5%
Cancer	8.7%

Behavior / access	%
Binge drinking	13.4%
No physical activity	25.6%
Less than 7 hrs sleep	31.9%
Fair or poor health	15.2%
Poor mental health	11.9%
Poor physical health	10.9%
No health insurance	9.6%
Visited doctor (checkup)	78.2%
Visited dentist	65.4%
Cholesterol screening	91.7%
Teeth loss	14.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	30	11.2%

Disability	%
Any disability	2.3%
Under 18	0.0%
18–64 years	3.4%
65 and over	0.0%

Health insurance coverage

Type	%
Private insurance	68.2%
Public insurance	18.5%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	337	97.4%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	346	100.0%
Born in same state	346	100.0%
Born in different state	279	80.6%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	57	16.5%
Arab	48	13.9%

Ancestry	Count	%
French	14	4%

Technology access

Metric	% of households
Computer access	49.4%
Internet access	59.1%

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

Frequently asked questions

What ZIP codes does Adair, IL have?

Adair, IL has one ZIP code: 61411. Each ZIP code serves a distinct delivery area within the city and surrounding region.