62002 ZIP Code — Alton, IL

Madison County, Illinois

ZIP code 62002 is located in Alton, Illinois, within Madison County. It covers approximately 41.28 square miles and serves a population of 30,166 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 618.

About ZIP code 62002

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 $108,100. Owner-occupancy sits near the national average at 64%.

Median household income is $55,041. Poverty affects 20% of residents, above the national average. SNAP benefit usage at 21% of households reflects economic stress in the area. 37% 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 24 minutes is near the national average.

Educational attainment is near the national average, with 22% of residents holding a bachelor's degree or higher.

Health indicators show elevated rates of smoking (22%) compared to national benchmarks.

Overall, ZIP code 62002 reflects a community defined by economic challenges above the national average, a significant Social Security-dependent population, and elevated reliance on food assistance.

30,166

population

41.28

sq mi land

Standard

ZIP type

Central (CT)

timezone

62002 ZIP code map

Cities in ZIP code 62002

Below are the cities the US Postal Service accepts for ZIP code 62002. Using any city not on this list may result in mail delivery delays.

City	Status
Alton	Preferred

Nearby ZIP codes

62018 Cottage Hills (3.2 mi) 62010 Bethalto (4 mi) 62035 Godfrey (5.5 mi) 62095 Wood River (6 mi) 62012 Brighton (6.5 mi) 63386 West Alton (6.8 mi) 62024 East Alton (7.2 mi) 62067 Moro (7.6 mi) 62048 Hartford (8.2 mi) 62021 Dorsey (8.8 mi) 62087 South Roxana (9.2 mi) 63138 Saint Louis (9.6 mi)

Demographics updated 05/2026

Population
Total population	30,166
Population density	731 / sq mi
State FIPS	17
County FIPS	119

Geography
Land area	41.28 sq mi
Water area	2.12 sq mi
Latitude	38.9391
Longitude	-90.1321
Timezone	Central (CT)
Area code	618

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	50.9%	38.9%	37.2%
$50k – $100k	28.8%	32.2%	29.6%
$100k – $200k	18.0%	23.6%	24.4%
Over $200k	2.2%	5.3%	8.8%

Demographics & statistics

30,166

Population

731

People per sq mi

41.4

Median age

$55,041

Median household income

$32,170

Per capita income

$108,100

Median home value

$910

Median monthly rent

63.8%

Home ownership

20.0%

Poverty rate

6.0%

Unemployment

10,138

Housing units

22.4%

Bachelor's or higher

Age distribution

Male Female

731

Under 5

780

1,044

5–9

1,112

894

10–14

954

877

15–19

935

550

20–24

587

1,996

25–34

2,127

1,841

35–44

1,962

1,731

45–54

1,846

1,013

55–59

1,080

60–64

1,152

1,717

65–74

1,830

795

75–84

848

331

85+

353

← Male

Female →

Age summary

Group	Count	%
Under 18	6,472	21.5%
18 and over	23,694	78.5%
65 and over	5,874	19.5%
Median age	41.4 years

Race & ethnicity

White 71.2%

Black or African American 19.6%

Two or more races 6%

Hispanic or Latino 1.5%

Asian 0.9%

Other race 0.6%

American Indian / Alaska Native 0.2%

Group	Count	%
White	21,817	71.2%
Black or African American	6,003	19.6%
Two or more races	1,840	6%
Hispanic or Latino	464	1.5%
Asian	274	0.9%
Other race	185	0.6%
American Indian / Alaska Native	47	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	50.9%	38.9%	37.2%
$50k – $100k	28.8%	32.2%	29.6%
$100k – $200k	18.0%	23.6%	24.4%
Over $200k	2.2%	5.3%	8.8%

Under $10k 7.9%

$10k–$15k 4.5%

$15k–$25k 9.3%

$25k–$35k 11.4%

$35k–$50k 12.2%

$50k–$75k 18.3%

$75k–$100k 13.1%

$100k–$150k 13.2%

$150k–$200k 5.4%

$200k+ 4.6%

Range	% of households
Under $10k	7.9%
$10k–$15k	4.5%
$15k–$25k	9.3%
$25k–$35k	11.4%
$35k–$50k	12.2%
$50k–$75k	18.3%
$75k–$100k	13.1%
$100k–$150k	13.2%
$150k–$200k	5.4%
$200k+	4.6%
Median income	$55,041

Housing

Home values

Under $50k 12.2%

$50k–$100k 33.4%

$100k–$150k 23.0%

$150k–$200k 11.8%

$200k–$300k 11.4%

$300k–$500k 6.1%

$500k–$1M 2.2%

Housing overview

Metric	Value
Median home value	$108,100
Median rent / month	$910
Owner occupied	63.8%
Renter occupied	36.2%
Vacant	12.2%
Single-family detached	80.1%
Large apartment buildings	4.4%
Mobile homes	1.1%
Median rooms	5.5
Avg household size (owned)	2.23

Year built

Era	%
2020 or later	0.1%
2010–2019	1.1%
2000–2009	6.2%
1990–1999	5.2%
1980–1989	5.1%
1970–1979	11.4%
1960–1969	9.8%
1950–1959	20.2%
1940–1949	15.9%
1939 or earlier	24.9%

Bedrooms

Size	% of units
No bedroom (studio)	2.4%
1 bedroom	11.1%
2 bedrooms	35.6%
3 bedrooms	36.2%
4 bedrooms	11.3%
5+ bedrooms	3.3%

Vehicles per household

Vehicles	% of households
No vehicle	8.7%
1 vehicle	41.4%
2 vehicles	34.7%
3 or more	15.2%

Heating fuel

Fuel type	%
Utility gas	58.6%
Electricity	35.6%
Propane / LP gas	4.3%
Fuel oil	0.2%
Wood	0.4%
Solar	0.1%
No fuel used	0.6%

Households & families

Household type	Count	%
Married-couple family	4,420	33.9%
Cohabiting couple	1,205	9.2%
Male householder, no spouse	3,058	23.4%
Female householder, no spouse	4,359	33.4%
Households with children under 18	3,401	26.1%
Households with seniors (65+)	4,410	33.8%
Average household size	2.28

Marital status

Status	Male	Female
Never married	39.8%	30.4%
Married	40.8%	36.0%
Separated	1.4%	2.7%
Widowed	2.9%	11.8%
Divorced	15.2%	19.1%

Education

Less than 9th grade 2.0%

Some HS, no diploma 7.2%

HS graduate 29.5%

Some college, no degree 28.2%

Associate's degree 10.8%

Bachelor's degree 14.6%

Graduate / professional 7.8%

Metric	%
HS diploma or higher	90.8%
Bachelor's or higher	22.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	524	7.9%
Kindergarten	427	6.4%
Elementary school	3,080	46.1%
High school	1,334	20.0%
College / grad school	1,309	19.6%

Employment

Industry of employment

Education & healthcare 23.9%

Retail trade 13.2%

Arts, food & hospitality 12.1%

Professional & management 10.7%

Manufacturing 10.0%

Transportation & utilities 7.8%

Other services 4.9%

Construction 4.7%

Finance & real estate 4.3%

Public administration 4.0%

Wholesale trade 2.3%

Agriculture & mining 1.2%

Information 1.0%

Occupation

Category	%
Management, business & arts	34.5%
Service	23.4%
Sales & office	18.8%
Natural resources & construction	8.2%
Production & transportation	15.1%

Employment type

Type	%
Private sector	83.7%
Government	11.1%
Self-employed	5.1%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	77.3%
Carpool	9.3%
Public transit	1.3%
Walk	2.0%
Work from home	8.5%
Other means	1.7%
Avg commute (minutes)	23.6

Poverty

All people 20.0%

Under 18 years 28.3%

18 and over 17.9%

Married-couple families 6.3%

Female-led households 28.8%

Income support

Source	% of households
Social Security	36.7%
Retirement income	25.8%
Supplemental Security	8.5%
Cash public assistance	2.9%
Food stamps / SNAP	21.3%

Health indicators

Condition	%
Obesity	43.1%
High blood pressure	37.0%
High cholesterol	33.5%
Diabetes	12.1%
Heart disease	7.2%
Stroke	3.8%
Asthma	11.1%
Arthritis	29.0%
Kidney disease	3.4%
Pulmonary disease	8.5%
Cancer	6.7%

Behavior / access	%
Smoking	21.7%
Binge drinking	14.2%
No physical activity	28.4%
Less than 7 hrs sleep	35.6%
Depression	18.9%
Fair or poor health	18.1%
Poor mental health	14.2%
Poor physical health	11.7%
No health insurance	12.2%
Visited doctor (checkup)	78.2%
Visited dentist	60.8%
Cholesterol screening	88.5%
Teeth loss	18.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	2,466	10.4%

Disability	%
Any disability	21.3%
Under 18	9.5%
18–64 years	18.9%
65 and over	42.0%

Health insurance coverage

Type	%
Private insurance	58.9%
Public insurance	49.0%
No insurance	6.3%
Uninsured under 19	2.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	28,655	95.0%
Spanish	358	1.2%
Other Indo-European	146	0.5%
Asian & Pacific Islander	132	0.5%
Other languages	41	0.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	29,586	98.1%
Born in same state	29,427	97.6%
Born in different state	21,798	72.3%
Foreign born	159	0.5%
Naturalized citizen	580	1.9%
Not a US citizen	362	62.4%

Ancestry

Ancestry	Count	%
Italian	3,850	12.8%
French	3,001	9.9%
Arab	1,526	5.1%
English	302	1%
Polish	190	0.6%

Ancestry	Count	%
German	73	0.2%
Irish	48	0.2%
Dutch	41	0.1%
Norwegian	8	0%

Technology access

Metric	% of households
Computer access	43.2%
Internet access	90.3%

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

Frequently asked questions about ZIP code 62002

What city is ZIP code 62002 in?

ZIP code 62002 is primarily assigned to Alton, Illinois.

What county is ZIP code 62002 in?

ZIP code 62002 falls within Madison County, Illinois.

What is the poverty rate in ZIP code 62002?

20% of residents in ZIP code 62002 live below the poverty line, above the national average.

Does ZIP code 62002 have a large retiree population?

37% of households in ZIP code 62002 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 62002?

The median home value in ZIP code 62002 is $108,100.

Does ZIP code 62002 have a large veteran population?

10% of civilians in ZIP code 62002 are veterans, above the national average of ~7%.

What timezone is ZIP code 62002 in?

ZIP code 62002 observes the CST timezone.