Alton, Illinois

Small Illinois city with local appeal

Midwest St. Louis, MO-IL Metro

WhereAtHome Score

77.1

C+

out of 100

Overview

Alton is an Illinois city with a population of approximately 25,006, part of the St. Louis, MO-IL metropolitan area. The median home value is approximately $105,039. Median household income is $49,439.

Key Highlights

  • Population of approximately 25,006 (2023 Census estimate)
  • Median home value of $105,039 (Zillow ZHVI)
  • Median household income of $49,439 (Census ACS)
  • Average commute time of 23.4 minutes
  • Part of the St. Louis, MO-IL metro area

Key Metrics

Population 2023

25,006

Source: Census ACS

$105,039

Source: Zillow ZHVI

$49,439

Source: Census ACS

23.4 min

Source: Census ACS

Walk Score 2026

39

Source: Walk Score

84 (100 = U.S. avg)

Source: AreaVibes / BLS

2024 Presidential Election

Madison County (county-level results)

42%
56%
Democrat 56,341
Republican 73,925
Leans R+13.3

Source: County-level results from MIT Election Data + Science Lab. Learn more

Score Breakdown

6 of 6 score factors available. Missing factors are excluded and available weights are rescaled.

Housing Affordability 100/100

Median home value relative to national average (Weight: 20%)

Income vs Housing 100/100

How affordable housing is relative to local incomes (Weight: 20%)

Commute Time 62.6/100

Average commute time compared to national average (Weight: 15%)

Crime 10/100

Overall crime levels based on FBI crime statistics (Weight: 20%)

Walkability 39/100

Walk Score — ease of daily errands on foot (Weight: 15%)

Purchasing Power 45.6/100

Median income relative to national average, adjusted for cost of living (Weight: 10%)

WhereAtHome Score 77.1

Location

Alton, IL (38.9087, -90.1568)
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Last Updated: 2026-01-01

Data sourced from U.S. Census Bureau, Zillow, FBI Crime Data Explorer, Walk Score, and Niche.