PlainZIP

Alton, IL · standard

ZIP Code 62002

Madison County, Illinois - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

32,704
301/sq mi
$61,414
Median income
$118,900
Median home value
24.1%
Bachelor's or higher

The verdict

Alton pairs a below-median household income with among the most affordable home values nationally, in a low-density, homeowner-dominated area.

32th pct
household income, US ZIPs
16th pct
home value, US ZIPs
301
people per sq mi
66%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 62002 against every reporting US ZIP.

ZIP code 62002 is a densely settled ZIP (a standard USPS delivery area) in Alton, Madison County, Illinois, with 32,704 residents across 108.8 square miles, a density of 301 people per square mile, in the Chicago time zone.

ZIP 62002 reports a modest median household income of $61,414 (23% below the Illinois average), while per-capita income is $33,829. Local economic indicators show a 17.8% poverty rate alongside 4.9% unemployment. Housing costs here run $118,900 for a typical home value (38% below the state average), with rent averaging $1,006 a month; 65.7% of homes are owner-occupied.

Educational attainment sits below the national norm: 24.1% of adults hold a bachelor's degree or higher, the median age is 40.4, and the average commute is 23 minutes. A geography-based comparison follows: 10 ZIP codes within about 10 miles of 62002, plus 6 more within Madison County, give a clearer read than the national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 62002

Top 5 sectors by establishment count in Alton, IL

Which industries have the most business establishments in ZIP 62002.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 62002, Alton, IL · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

32,704

Population

108.8

Area (sq mi)

301

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 62002?

40.4

Median Age

48.2%

Male

51.8%

Female

2.3%

Foreign-Born

White 73.2%
African American 17.0%
Asian 1.4%
American Indian or Alaska Native 0.4%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 6.9%
Hispanic or Latino 2.5%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$61,414

Median Household Income

-23% vs state

$33,829

Per Capita Income

17.8%

Poverty Rate

4.9%

Unemployment Rate

23.1 min

Mean Commute Time

How ZIP 62002 ranks nationally

Alton, IL household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$61,414 32nd percentile higher than 32% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 55.0%
Bachelor's Degree or Higher 24.1%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

14,662

Total Housing Units

12,801

Occupied Units

1,861

Vacant Units

2.27

Avg Household Size

Occupancy Type

Owner 65.7%
Renter 34.3%

$118,900

Median Home Value

-38% vs state

$1,006

Median Rent

1955

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+8.9%

YoY Change (2024)

182

HPI Index (2000 = 100)

+82%

Total Change Since 2000

Home values in ZIP 62002 have increased 8.9% over the past year (2024). Since 2000, this ZIP has seen +82% cumulative appreciation.

Year Annual Change HPI Index
2020 +0.7% 133
2021 +9.0% 145
2022 +11.4% 161
2023 +3.7% 167
2024 +8.9% 182

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 708 business establishments in ZIP 62002, employing approximately 11,642 people with a combined annual payroll of $627,693,000.

708

Businesses

11,642

Employees

$627.7M

Annual Payroll

17

Industry Sectors

Industry Establishments % of Total
Health care and social assistance 128 18.1%
Retail trade 113 16.0%
Accommodation and food services 92 13.0%
Other services (except public administration) 91 12.8%
Finance and insurance 55 7.8%
Professional, scientific, and technical services 49 6.9%
Construction 32 4.5%
Real estate and rental and leasing 28 4.0%
Wholesale trade 24 3.4%
Administrative and support and waste management and remediation services 22 3.1%
Manufacturing 18 2.5%
Arts, entertainment, and recreation 15 2.1%
Transportation and warehousing 14 2.0%
Information 9 1.3%
Educational services 7 1.0%
Utilities 6 0.8%
Management of companies and enterprises 3 0.4%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 62002 vs 62018 →

ZIP 62002 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 62002 ranks the most populous - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 62002 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 62002 ranks #8 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
62018 Cottage Hills, IL 3,604 3.3 mi
62010 Bethalto, IL 11,186 4.5 mi
62024 East Alton, IL 9,775 5.0 mi
62012 Brighton, IL 6,654 7.2 mi
62095 Wood River, IL 11,237 6.2 mi
62035 Godfrey, IL 16,494 6.3 mi
62067 Moro, IL 2,401 7.7 mi
63386 West Alton, MO 538 6.8 mi
62048 Hartford, IL 1,459 9.5 mi
62084 Roxana, IL 1,606 7.9 mi

More ZIP Codes in Madison County

62040 standard
Granite City, IL
Pop: 43,735
62025 standard
Edwardsville, IL
Pop: 33,748
62234 standard
Collinsville, IL
Pop: 33,430
62035 standard
Godfrey, IL
Pop: 16,494
62249 standard
Highland, IL
Pop: 15,971
62294 standard
Troy, IL
Pop: 14,367

Related Areas

Madison County Alton, IL Illinois

Frequently Asked Questions

What county is ZIP code 62002 in? ▼
ZIP code 62002 (Alton) is located in Madison County, Illinois. Madison County contains multiple ZIP codes, see the full list at /counties/madison-il.
What is the population of ZIP code 62002? ▼
ZIP code 62002 in Alton, IL has a population of 32,704 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 62002? ▼
The median household income in ZIP 62002 is $61,414, which is 19% below the national average of $76,288.
What is the average home value in ZIP 62002? ▼
The median home value in ZIP 62002 is $118,900, which is 57% below the national average of $278,155.
What is the demographic makeup of ZIP 62002? ▼
The largest racial group in ZIP 62002 is White at 73.2%. Hispanic or Latino residents make up 2.5% of the population.
How many businesses are in ZIP code 62002? ▼
ZIP code 62002 has 708 business establishments employing approximately 11,642 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 62002? ▼
The top industries by establishment count in ZIP 62002 are: Health care and social assistance (128), Retail trade (113), Accommodation and food services (92). There are 17 industry sectors represented in total.
How have home values changed in ZIP code 62002? ▼
According to the FHFA House Price Index, home values in ZIP 62002 increased by 8.9% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 82%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 62002? ▼
In ZIP code 62002, 55.0% of residents aged 25+ have a high school diploma or higher, and 24.1% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 62002? ▼
The mean commute time for workers in ZIP code 62002 is 23.1 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 62002? ▼
In ZIP code 62002, approximately 65.7% of occupied housing units are owner-occupied and 34.3% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 62002? ▼
The poverty rate in ZIP code 62002 is 17.8% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.