Chesterfield ZIP Codes — Macoupin County, IL

There is one unique ZIP code in Chesterfield, Illinois and it is 62630. Area code: 618.

ZIP codes

40.59

sq mi land

0.11

sq mi water

618

area code

Chesterfield, IL ZIP code map

About Chesterfield, IL

Chesterfield, Illinois, is a small city located within Macoupin County. Known for its tranquil rural environment, it offers a glimpse into small-town life in the heart of Illinois. The city provides a strong sense of community and a peaceful atmosphere for residents and visitors alike.

Location & geography

Chesterfield is situated in central Illinois, approximately 25 miles southwest of Springfield and about 45 miles northeast of St. Louis, Missouri. The city spans a land area of 40.59 square miles, with a minor water area of 0.11 square miles. The region is characterized by gently rolling terrain, typical of central Illinois, while its proximity to larger urban areas offers a blend of quiet living and accessibility.

Community & economy

The community of Chesterfield embodies a close-knit, welcoming character, where residents often come together for events and local gatherings. While primarily rural, the local economy may include agriculture and small businesses that cater to the needs of the community. Daily life in Chesterfield is peaceful, with residents enjoying outdoor activities and the natural beauty of the surrounding landscape.

Transportation

Chesterfield is accessible via several local roads, with nearby highways providing routes to larger cities and regional centers. The nearest major highway is U.S. Route 67, which connects Chesterfield to other parts of Macoupin County and beyond. For air travel, the closest major airport would be the MidAmerica St. Louis Airport, located approximately 40 miles east of Chesterfield.

History

While specific founding details of Chesterfield are not extensively documented, it has existed as a community within Macoupin County for many years. Historically, like many small towns in Illinois, it likely thrived on agriculture and local businesses that supported its residents. Notable events and developments in its history would have aligned with the growth and changes in the surrounding region.

Did you know?

A little-known fact about Chesterfield is that it has only one ZIP code, which is 62630. This distinctive characteristic reflects its small size and close-knit community, contributing to its unique identity within Illinois.

ZIP codes for Chesterfield, IL (1)

ZIP code	City	County	Map
62630	Chesterfield	Macoupin	View map

Demographics & statistics

686

Population

45.4

Median age

$74,777

Median household income

$41,686

Per capita income

$114,000

Median home value

Median monthly rent

96.6%

Home ownership

10.3%

Poverty rate

4.4%

Unemployment

300

Housing units

21.0%

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

← Male

Female →

Age summary

Group	Count	%
Under 18	156	22.7%
18 and over	530	77.3%
65 and over	168	24.5%
Median age	45.4 years

Race & ethnicity

White 99.6%

Two or more races 0.4%

Group	Count	%
White	683	99.6%
Two or more races	3	0.4%

Household income

Under $10k 4.2%

$10k–$15k 1.1%

$15k–$25k 3.4%

$25k–$35k 6.4%

$35k–$50k 8.7%

$50k–$75k 27.2%

$75k–$100k 10.6%

$100k–$150k 3.0%

$150k–$200k 17.4%

$200k+ 18.1%

Range	% of households
Under $10k	4.2%
$10k–$15k	1.1%
$15k–$25k	3.4%
$25k–$35k	6.4%
$35k–$50k	8.7%
$50k–$75k	27.2%
$75k–$100k	10.6%
$100k–$150k	3.0%
$150k–$200k	17.4%
$200k+	18.1%
Median income	$74,777

Housing

Home values

Under $50k 5.5%

$50k–$100k 35.2%

$100k–$150k 18.4%

$150k–$200k 4.7%

$200k–$300k 18.4%

$300k–$500k 13.7%

$500k–$1M 4.3%

Housing overview

Metric	Value
Median home value	$114,000
Median rent / month	$0
Owner occupied	96.6%
Renter occupied	3.4%
Vacant	14.2%
Single-family detached	95.1%
Large apartment buildings	0.0%
Mobile homes	4.9%
Median rooms	6.8
Avg household size (owned)	2.53

Year built

Era	%
2020 or later	0.3%
2010–2019	7.4%
2000–2009	16.2%
1990–1999	0.3%
1980–1989	3.9%
1970–1979	12.6%
1960–1969	15.5%
1950–1959	5.8%
1940–1949	3.9%
1939 or earlier	34.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.6%
1 bedroom	2.9%
2 bedrooms	25.6%
3 bedrooms	48.2%
4 bedrooms	14.6%
5+ bedrooms	8.1%

Vehicles per household

Vehicles	% of households
No vehicle	1.1%
1 vehicle	4.9%
2 vehicles	63.0%
3 or more	30.9%

Heating fuel

Fuel type	%
Utility gas	28.3%
Electricity	9.1%
Propane / LP gas	54.0%
Wood	8.7%

Households & families

Household type	Count	%
Married-couple family	198	74.7%
Cohabiting couple	0	0.0%
Male householder, no spouse	51	19.2%
Female householder, no spouse	16	6.0%
Households with children under 18	100	37.7%
Households with seniors (65+)	100	37.7%
Average household size	2.59

Marital status

Status	Male	Female
Never married	28.9%	4.8%
Married	57.9%	86.4%
Separated	0.6%	0.0%
Widowed	0.3%	6.6%
Divorced	12.3%	2.2%

Education

Less than 9th grade 0.4%

Some HS, no diploma 2.6%

HS graduate 43.8%

Some college, no degree 16.6%

Associate's degree 15.6%

Bachelor's degree 11.6%

Graduate / professional 9.4%

Metric	%
HS diploma or higher	97.0%
Bachelor's or higher	21.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	1	0.6%
Kindergarten	7	4.4%
Elementary school	51	32.3%
High school	83	52.5%
College / grad school	16	10.1%

Employment

Industry of employment

Education & healthcare 26.1%

Agriculture & mining 18.5%

Manufacturing 15.8%

Transportation & utilities 13.1%

Other services 6.4%

Arts, food & hospitality 5.5%

Professional & management 3.6%

Finance & real estate 2.7%

Public administration 2.7%

Construction 2.4%

Retail trade 2.1%

Wholesale trade 0.9%

Occupation

Category	%
Management, business & arts	55.9%
Service	11.6%
Sales & office	10.9%
Natural resources & construction	7.0%
Production & transportation	14.6%

Employment type

Type	%
Private sector	57.1%
Government	17.3%
Self-employed	25.5%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	71.7%
Carpool	10.9%
Public transit	0.0%
Walk	0.6%
Other means	2.7%
Avg commute (minutes)	27.6

Poverty

All people 10.3%

Under 18 years 13.5%

18 and over 9.4%

Married-couple families 6.1%

Female-led households 27.3%

Income support

Source	% of households
Social Security	36.2%
Retirement income	19.6%
Supplemental Security	6.0%
Cash public assistance	0.8%
Food stamps / SNAP	3.8%

Health indicators

Condition	%
High blood pressure	31.1%
High cholesterol	32.8%
Heart disease	6.1%
Stroke	2.8%
Asthma	9.6%
Arthritis	25.6%
Kidney disease	2.6%
Pulmonary disease	6.7%
Cancer	6.7%

Behavior / access	%
Binge drinking	15.9%
No physical activity	22.9%
Less than 7 hrs sleep	31.5%
Fair or poor health	12.7%
Poor mental health	12.9%
Poor physical health	9.3%
No health insurance	9.3%
Visited doctor (checkup)	76.2%
Visited dentist	66.4%
Cholesterol screening	89.9%
Teeth loss	12.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	17	3.2%

Disability	%
Any disability	11.2%
Under 18	1.3%
18–64 years	15.5%
65 and over	11.3%

Health insurance coverage

Type	%
Private insurance	78.9%
Public insurance	38.0%
Uninsured under 19	4.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	673	98.1%
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)	686	100.0%
Born in same state	684	99.7%
Born in different state	566	82.5%
Foreign born	2	0.3%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	196	28.6%
Italian	135	19.7%
Arab	49	7.1%

Ancestry	Count	%
English	7	1%
Dutch	3	0.4%
German	2	0.3%

Technology access

Metric	% of households
Computer access	38.6%
Internet access	91.7%

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

Frequently asked questions

What ZIP codes does Chesterfield, IL have?

Chesterfield, IL has one ZIP code: 62630. Each ZIP code serves a distinct delivery area within the city and surrounding region.