Middletown ZIP Codes — Logan County, IL

There is one unique ZIP code in Middletown, Illinois and it is 62666. Area code: 217.

ZIP codes

31.47

sq mi land

0.05

sq mi water

217

area code

Middletown, IL ZIP code map

About Middletown, IL

Middletown, Illinois, is a quaint village located in Logan County. This charming community is defined by its peaceful atmosphere and friendly residents. Known for its small-town feel, Middletown offers a comfortable lifestyle while being surrounded by the natural beauty of central Illinois.

Location & geography

Middletown is situated in the heart of Logan County, providing easy access to nearby cities such as Lincoln, which is approximately 12 miles to the northeast, or Jacksonville, roughly 29 miles to the south. The village spans a total land area of 31.47 square miles, with a minor water area of 0.05 square miles. The terrain around Middletown consists of rolling hills and agricultural land, contributing to its scenic countryside setting.

Community & economy

The character of Middletown is deeply rooted in its close-knit community and strong local values. Residents enjoy a lifestyle characterized by friendly interactions, local events, and communal gatherings. The local economy primarily revolves around agriculture and small businesses, which play a significant role in the daily life of its inhabitants.

Transportation

Middletown is conveniently accessible via U.S. Route 66, which passes nearby, connecting it to larger cities across the region. The nearest major airport is Capital Airport, located approximately 35 miles away in Springfield, providing transportation options for both residents and visitors. Public transit options are limited, making personal vehicles the most common mode of transportation in and out of the village.

History

Middletown was founded in the mid-19th century and has evolved into a small yet vibrant community. Historically, the village thrived on agriculture, which remains a cornerstone of its local economy. Over the years, notable events such as community fairs and seasonal festivities have solidified its cultural significance.

Did you know?

One surprising fact about Middletown is that it is home to only one ZIP code, 62666, which serves the entire village. Additionally, despite being a small community, it offers an inviting atmosphere that draws visitors who appreciate its tranquility and rural charm.

ZIP codes for Middletown, IL (1)

ZIP code	City	County	Map
62666	Middletown	Logan	View map

Demographics & statistics

517

Population

41.9

Median age

$87,750

Median household income

$33,860

Per capita income

$93,900

Median home value

$747

Median monthly rent

78.6%

Home ownership

12.2%

Poverty rate

2.0%

Unemployment

211

Housing units

18.4%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	131	25.3%
18 and over	386	74.7%
65 and over	61	11.8%
Median age	41.9 years

Race & ethnicity

White 95.6%

Two or more races 3.6%

Hispanic or Latino 0.8%

Group	Count	%
White	498	95.6%
Two or more races	19	3.6%
Hispanic or Latino	4	0.8%

Household income

Under $10k 1.5%

$10k–$15k 3.1%

$15k–$25k 9.7%

$25k–$35k 7.7%

$35k–$50k 6.1%

$50k–$75k 17.3%

$75k–$100k 15.3%

$100k–$150k 26.0%

$150k–$200k 11.2%

$200k+ 2.0%

Range	% of households
Under $10k	1.5%
$10k–$15k	3.1%
$15k–$25k	9.7%
$25k–$35k	7.7%
$35k–$50k	6.1%
$50k–$75k	17.3%
$75k–$100k	15.3%
$100k–$150k	26.0%
$150k–$200k	11.2%
$200k+	2.0%
Median income	$87,750

Housing

Home values

Under $50k 18.8%

$50k–$100k 40.3%

$100k–$150k 5.8%

$150k–$200k 1.9%

$200k–$300k 18.2%

$300k–$500k 14.9%

Housing overview

Metric	Value
Median home value	$93,900
Median rent / month	$747
Owner occupied	78.6%
Renter occupied	21.4%
Vacant	22.5%
Single-family detached	92.9%
Large apartment buildings	0.0%
Mobile homes	7.1%
Median rooms	6.0
Avg household size (owned)	2.69

Year built

Era	%
2020 or later	0.0%
2010–2019	1.6%
2000–2009	3.2%
1990–1999	7.5%
1980–1989	13.4%
1970–1979	12.3%
1960–1969	4.0%
1950–1959	6.3%
1940–1949	13.8%
1939 or earlier	37.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.4%
1 bedroom	1.6%
2 bedrooms	33.6%
3 bedrooms	37.9%
4 bedrooms	20.2%
5+ bedrooms	6.3%

Vehicles per household

Vehicles	% of households
No vehicle	3.6%
1 vehicle	21.4%
2 vehicles	39.8%
3 or more	35.2%

Heating fuel

Fuel type	%
Utility gas	54.1%
Electricity	15.8%
Propane / LP gas	24.0%
Wood	3.6%
No fuel used	2.6%

Households & families

Household type	Count	%
Married-couple family	125	63.8%
Cohabiting couple	21	10.7%
Male householder, no spouse	16	8.2%
Female householder, no spouse	34	17.3%
Households with children under 18	63	32.1%
Households with seniors (65+)	52	26.5%
Average household size	2.64

Marital status

Status	Male	Female
Never married	21.7%	6.5%
Married	61.8%	62.5%
Separated	3.4%	4.0%
Widowed	1.0%	11.5%
Divorced	12.1%	15.5%

Education

Less than 9th grade 1.9%

Some HS, no diploma 5.9%

HS graduate 34.1%

Some college, no degree 23.2%

Associate's degree 16.5%

Bachelor's degree 17.3%

Graduate / professional 1.1%

Metric	%
HS diploma or higher	92.3%
Bachelor's or higher	18.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	9	7.3%
Kindergarten	3	2.4%
Elementary school	77	62.6%
High school	24	19.5%
College / grad school	10	8.1%

Employment

Industry of employment

Education & healthcare 18.5%

Construction 16.9%

Public administration 14.4%

Other services 9.1%

Agriculture & mining 7.8%

Arts, food & hospitality 7.8%

Manufacturing 7.0%

Professional & management 5.8%

Retail trade 4.1%

Transportation & utilities 3.7%

Finance & real estate 2.9%

Information 1.2%

Wholesale trade 0.8%

Occupation

Category	%
Management, business & arts	19.3%
Service	24.7%
Sales & office	21.8%
Natural resources & construction	15.6%
Production & transportation	18.5%

Employment type

Type	%
Private sector	63.8%
Government	27.2%
Self-employed	9.1%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	88.0%
Carpool	7.5%
Public transit	0.0%
Walk	0.4%
Other means	0.0%
Avg commute (minutes)	29.5

Poverty

All people 12.2%

Under 18 years 11.5%

18 and over 12.4%

Married-couple families 6.4%

Female-led households 50.0%

Income support

Source	% of households
Social Security	35.7%
Retirement income	30.6%
Supplemental Security	7.7%
Cash public assistance	1.5%
Food stamps / SNAP	15.3%

Health indicators

Condition	%
High blood pressure	33.2%
High cholesterol	33.5%
Heart disease	6.7%
Stroke	3.1%
Asthma	10.0%
Arthritis	27.8%
Kidney disease	2.9%
Pulmonary disease	7.9%
Cancer	7.1%

Behavior / access	%
Binge drinking	15.8%
No physical activity	25.1%
Less than 7 hrs sleep	32.2%
Fair or poor health	14.9%
Poor mental health	13.5%
Poor physical health	10.5%
No health insurance	11.6%
Visited doctor (checkup)	75.4%
Visited dentist	62.9%
Cholesterol screening	89.5%
Teeth loss	15.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	14	3.6%

Disability	%
Any disability	12.6%
Under 18	0.0%
18–64 years	12.9%
65 and over	37.7%

Health insurance coverage

Type	%
Private insurance	73.1%
Public insurance	34.6%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	488	94.4%
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)	517	100.0%
Born in same state	517	100.0%
Born in different state	460	89.0%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Arab	39	7.5%
Italian	35	6.8%
French	17	3.3%

Ancestry	Count	%
English	14	2.7%
Irish	3	0.6%
Polish	3	0.6%

Technology access

Metric	% of households
Computer access	37.9%
Internet access	91.8%

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

Frequently asked questions

What ZIP codes does Middletown, IL have?

Middletown, IL has one ZIP code: 62666. Each ZIP code serves a distinct delivery area within the city and surrounding region.