City

Alton, IL

1 ZIP code  ·  Madison County  ·  Illinois

👥30,036Population
💰$57,851Median HH Income▼ 24% below avg
🎂41.5Median Age
🏠$114,300Median Home Value▼ 59% below avg
🎓35.9%College Grads≈ Avg
📊4.7%Unemployment≈ Avg
People & Population (ACS 2023 — weighted avg)
♂ Male 48.5% Female 51.5% ♀

Race & Ethnicity

White: 70.7%Hispanic: 2.3%Black: 20.2%Asian: 1.1%Other: 5.3%Race
White70.7%
Hispanic2.3%
Black20.2%
Asian1.1%
Other5.3%

Age Breakdown

Under 5
5%
5–17
16%
18–24
7%
25–44
26%
45–64
26%
65+
9%

Key Indicators

Median Age41.5 yrs
Avg HH Size2.27
Below Poverty20.4% ▲ 104% above avg
College Grads35.9% ≈ Avg
Unemployment4.7% ≈ Avg
No HS Diploma110 (0.6%)
HS Graduate5,408 (27.1%)
Some College3,349 (16.8%)
Associates3,923 (19.6%)
Bachelors2,372 (11.9%)
Graduate Degree4,805 (24.1%)

Education

No HS: 0.6%HS Grad: 27.1%Some College: 16.8%Associates: 19.6%Bachelors: 11.9%Graduate: 24.1%Edu
No HS0.6%
HS Grad27.1%
Some College16.8%
Associates19.6%
Bachelors11.9%
Graduate24.1%
Housing & Income

Housing Tenure

Owner: 63.4%Renter: 36.6%Tenure
Owner63.4%
Renter36.6%

Home Value Distribution

Under $50k
11%
$50k–$100k
29%
$100k–$150k
26%
$150k–$200k
14%
$200k–$300k
11%
$300k–$500k
7%
Over $500k
3%

Financials

Median HH Income$57,851 ▼ 24% below avg
Median Home Value$114,300 ▼ 59% below avg
Home/Income Ratio2.0x (nat avg ~3.5x)
Median Rent$941/mo
Total Housing Units14,832
Vacant Units1,809

Income Distribution

Under $25k
22%
$25k–$50k
19%
$50k–$75k
19%
$75k–$100k
13%
$100k–$150k
15%
$150k–$200k
7%
Over $200k
5%
Employment & Commute

How People Get to Work

Drove Alone
87%
Public Transit
1%
Walked
2%
Work From Home
10%

Commute Time

Under 15 min
36%
15–30 min
29%
30–45 min
21%
Over 45 min
14%
Housing Stock

Year Built

Before 1940
9%
1940s–1950s
19%
1960s–1970s
8%
1980s–1990s
6%
2000+
57%
About Alton, IL

Alton is a city in Illinois, located in Madison County. The city spans 1 ZIP code and is home to approximately 30,036 residents. It is a middle-aged city, with a median age of 41.5 years.

Economically, Alton is a solidly middle-class community. The median household income of $57,851 is below the national average. Approximately 20.4% of residents live below the poverty line. The unemployment rate is 4.7%, near the national average.

The real estate market in Alton is one of the more affordable housing markets in the country. Median home values stand at $114,300, which is well below the national average. Renters typically pay around $941 per month. Homeownership is high at 63.4%, typical of suburban and family-oriented communities.

The population of Alton is moderately educated. 35.9% of adults hold a bachelor's degree or higher — near the national average. The community is primarily White (70.69%).

Alton, IL offers residents a cost-conscious lifestyle within Illinois.

ZIP Codes in Alton
ZIPPopulationMedian IncomeMedian HomeMedian RentUnemp.CollegeOwner Occ.
62002 30,036 $57,851 $114,300 $941 4.7% 35.9% 63.4%