Hartford ZIP Codes — Madison County, IL

There is one unique ZIP code in Hartford, Illinois and it is 62048. Area code: 618.

ZIP codes

17.21

sq mi land

6.04

sq mi water

618

area code

Hartford, IL ZIP code map

About Hartford, IL

Hartford, Illinois, is a small city located in Madison County, known for its unique blend of suburban charm and industrial history. As a part of the St. Louis metropolitan area, Hartford offers a distinctive community vibe that attracts visitors and residents alike. Its strategic location near major highways makes it a convenient place for those commuting to nearby cities while enjoying a quieter lifestyle.

Location & geography

Hartford covers a total land area of 17.21 square miles and has a water area of 6.04 square miles, providing a mix of urban and natural environments. The city is situated approximately 18 miles northeast of St. Louis, Missouri, and is bordered by cities like Collinsville to the east, like Wood River to the north, and both Edwardsville and Roxana nearby. The diverse terrain includes open lands and waterways that contribute to its scenic beauty and local recreation.

Community & economy

Hartford boasts a close-knit community where residents value local traditions and neighborly connections. The city is home to a range of industries, including manufacturing and service-oriented businesses, which provide employment opportunities for its inhabitants. Daily life in Hartford reflects a blend of small-town atmosphere with accessibility to larger urban amenities and activities.

Transportation

Transportation in Hartford is facilitated by several major highways, including Interstate 55 and Interstate 70, making it easy to travel to nearby cities and attractions. The nearest commercial airport is the Lambert-St. Louis International Airport, located approximately 20 miles to the southwest. Public transit options are limited, so many residents rely on personal vehicles for commuting.

History

Founded in the early 20th century, Hartford has a rich industrial heritage that contributed to its growth and development within Madison County. Over the years, the city has seen several key industries emerge, particularly in manufacturing and transportation. Notable events in Hartford's history include its connection to the development of nearby industrial centers and infrastructure expansion through the mid to late 1900s.

Did you know?

One surprising fact about Hartford, IL, is that it remains home to several historic sites that reflect its industrial past. The city’s location near the confluence of major highways also makes it a convenient stop for travelers heading into the St. Louis region.

ZIP codes for Hartford, IL (1)

ZIP code	City	County	Map
62048	Hartford	Madison	View map

Demographics & statistics

1,626

Population

39.9

Median age

$42,591

Median household income

$27,236

Per capita income

$71,100

Median home value

$926

Median monthly rent

78.1%

Home ownership

15.0%

Poverty rate

6.6%

Unemployment

659

Housing units

8.8%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

106

15–19

125

20–24

25–34

136

35–44

159

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	332	20.4%
18 and over	1,294	79.6%
65 and over	349	21.5%
Median age	39.9 years

Race & ethnicity

White 89%

Hispanic or Latino 4.1%

Other race 4.1%

Two or more races 2.8%

Group	Count	%
White	1,509	89%
Hispanic or Latino	69	4.1%
Other race	69	4.1%
Two or more races	48	2.8%

Household income

Under $10k 2.9%

$10k–$15k 1.4%

$15k–$25k 15.8%

$25k–$35k 12.9%

$35k–$50k 25.3%

$50k–$75k 13.4%

$75k–$100k 10.9%

$100k–$150k 11.2%

$150k–$200k 5.4%

$200k+ 0.8%

Range	% of households
Under $10k	2.9%
$10k–$15k	1.4%
$15k–$25k	15.8%
$25k–$35k	12.9%
$35k–$50k	25.3%
$50k–$75k	13.4%
$75k–$100k	10.9%
$100k–$150k	11.2%
$150k–$200k	5.4%
$200k+	0.8%
Median income	$42,591

Housing

Home values

Under $50k 37.3%

$50k–$100k 40.4%

$100k–$150k 17.9%

$150k–$200k 3.0%

$200k–$300k 1.4%

Housing overview

Metric	Value
Median home value	$71,100
Median rent / month	$926
Owner occupied	78.1%
Renter occupied	21.9%
Vacant	11.5%
Single-family detached	98.2%
Large apartment buildings	0.2%
Mobile homes	0.4%
Median rooms	5.0
Avg household size (owned)	2.07

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	0.4%
1990–1999	1.2%
1980–1989	1.8%
1970–1979	5.1%
1960–1969	12.2%
1950–1959	40.0%
1940–1949	19.5%
1939 or earlier	19.7%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	7.2%
2 bedrooms	45.5%
3 bedrooms	38.3%
4 bedrooms	5.4%
5+ bedrooms	3.5%

Vehicles per household

Vehicles	% of households
No vehicle	3.6%
1 vehicle	41.4%
2 vehicles	41.6%
3 or more	13.4%

Heating fuel

Fuel type	%
Utility gas	78.6%
Electricity	19.8%
Propane / LP gas	1.1%
No fuel used	0.6%

Households & families

Household type	Count	%
Married-couple family	243	33.6%
Cohabiting couple	125	17.3%
Male householder, no spouse	92	12.7%
Female householder, no spouse	263	36.4%
Households with children under 18	165	22.8%
Households with seniors (65+)	285	39.4%
Average household size	2.25

Marital status

Status	Male	Female
Never married	39.2%	35.2%
Married	40.4%	32.1%
Separated	1.7%	0.5%
Widowed	3.0%	17.4%
Divorced	15.7%	14.8%

Education

Less than 9th grade 3.1%

Some HS, no diploma 3.0%

HS graduate 50.9%

Some college, no degree 22.2%

Associate's degree 11.9%

Bachelor's degree 4.1%

Graduate / professional 4.7%

Metric	%
HS diploma or higher	93.8%
Bachelor's or higher	8.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	15	3.2%
Kindergarten	9	1.9%
Elementary school	185	39.4%
High school	120	25.6%
College / grad school	140	29.9%

Employment

Industry of employment

Education & healthcare 21.4%

Arts, food & hospitality 18.1%

Retail trade 13.8%

Professional & management 11.2%

Transportation & utilities 9.6%

Manufacturing 6.3%

Construction 5.4%

Other services 4.5%

Wholesale trade 3.7%

Finance & real estate 3.7%

Agriculture & mining 1.0%

Information 0.7%

Public administration 0.4%

Occupation

Category	%
Management, business & arts	22.6%
Service	29.5%
Sales & office	21.0%
Natural resources & construction	7.0%
Production & transportation	19.9%

Employment type

Type	%
Private sector	90.0%
Government	7.8%
Self-employed	2.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	81.1%
Carpool	13.1%
Public transit	0.0%
Walk	0.0%
Other means	0.0%
Avg commute (minutes)	20.5

Poverty

All people 15.0%

Under 18 years 16.9%

18 and over 14.5%

Married-couple families 5.3%

Female-led households 12.9%

Income support

Source	% of households
Social Security	46.7%
Retirement income	40.0%
Supplemental Security	5.5%
Cash public assistance	4.0%
Food stamps / SNAP	10.4%

Health indicators

Condition	%
High blood pressure	36.1%
High cholesterol	35.0%
Heart disease	7.8%
Stroke	3.8%
Asthma	10.6%
Arthritis	30.2%
Kidney disease	3.4%
Pulmonary disease	9.4%
Cancer	7.1%

Behavior / access	%
Binge drinking	15.1%
No physical activity	28.6%
Less than 7 hrs sleep	33.9%
Fair or poor health	17.7%
Poor mental health	14.3%
Poor physical health	12.1%
No health insurance	11.9%
Visited doctor (checkup)	76.7%
Visited dentist	61.1%
Cholesterol screening	87.8%
Teeth loss	19.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	65	5.0%

Disability	%
Any disability	27.4%
Under 18	15.7%
18–64 years	22.0%
65 and over	53.3%

Health insurance coverage

Type	%
Private insurance	58.1%
Public insurance	55.2%
Uninsured under 19	10.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,581	97.2%
Spanish	30	1.9%
Other Indo-European	30	1.9%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,605	98.7%
Born in same state	1,603	98.6%
Born in different state	1,089	67.0%
Foreign born	2	0.1%
Naturalized citizen	21	1.3%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	193	11.9%
French	165	10.1%
Arab	66	4.1%

Ancestry	Count	%
Dutch	11	0.7%
English	7	0.4%

Technology access

Metric	% of households
Computer access	44.5%
Internet access	93.8%

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

Frequently asked questions

What ZIP codes does Hartford, IL have?

Hartford, IL has one ZIP code: 62048. Each ZIP code serves a distinct delivery area within the city and surrounding region.