Granite City, IL
Population, housing, work, and travel data for this Census place.
- Population
- 26,807
- Median home
- $104,300
Census place 1701114
Alton
A Census profile of the people, homes, and daily patterns that shape this place.
Official Census name: Alton cityRelocation snapshot
What stands out in Alton.
According to the 2025 estimate, Alton has a population of 25,013 and 1,601 residents per square mile. Of the six relocation measures evaluated, the three largest relative differences from the median among 225 covered Illinois places are: median home value is $103,700, below the comparison median of $274,000; population density is 1,601/sq mi, below the comparison median of 2,707/sq mi; and median household income is $54,568, below the comparison median of $90,282. These unweighted medians compare covered Census places and are not statewide estimates.
- median home value
- $103,700 Below the comparison median of $274,000
- population density
- 1,601/sq mi Below the comparison median of 2,707/sq mi
- median household income
- $54,568 Below the comparison median of $90,282
National context
Follow the metrics.
Compare Alton's values with other covered Census places. Rankings are descriptive, not recommendations.
At a glance
A city in numbers.
- Population
- 25,013 2025 estimate
- Annual change
- -0.1% Population estimate
- Density
- 1,601/sq mi 15.6 sq mi land area
- Median age
- 38 years ACS 5-year estimate
Living here
The everyday equation.
Households, homes, education, and the time it takes to get around.
- Median household income
- $54,568
- Median home value
- $103,700
- Median gross rent
- $1,015
- Bachelor’s degree or higher
- 21.5%
- Typical commute
- 22.7 min
- Drive-alone commute
- 73.8%
- Public transit commute
- 1.5%
- Walked to work
- 2.3%
Housing
Who rents, and what it takes.
Renter share and rent burden help describe the housing choices visible in this place.
- Renter-occupied homes
- 40.1%
- Renters paying 30%+ of income
- 54.1%
Work
How the workday lands.
Employment status and working-from-home share add context to income and commuting patterns.
- Employed residents 16+
- 57.7%
- Unemployed residents 16+
- 3.3%
- Working from home
- 9.7%
Community
The everyday infrastructure.
Access, mobility, housing growth, and household composition add another layer to a place's day-to-day picture.
- Households with broadband
- 90.5%
- Homes built 2020+
- 0.5%
- Households without a vehicle
- 10.4%
- Households with children
- 28%
- Residents with a disability
- 21.4%
- Residents without insurance
- 6.8%
Environmental context
A record of declared events.
FEMA declarations for Madison County provide historical context, not a forecast or a property-level risk assessment.
- Environmental declarations since 2000
- 6
- Tornado declarations
- 2
- Flood declarations
- 1
- Hurricane declarations
- 1
Climate normals
The long view of weather.
Thirty-year averages, not a forecast. Temperature and precipitation describe the typical conditions recorded from 1991 through 2020.
Representative station: ST CHARLES CO AP (15 mi from place center)- Average high
- 66.6°F
- Average low
- 45.5°F
- Annual rainfall
- 39.4"
- Annual snowfall
- 0"
Month by month
A year in Alton.
JFMAMJJASOND
JFMAMJJASOND
Data vintage
Population is from the 2025 Population Estimates Program. Household, housing, education, and commute data are from the 2020-2024 American Community Survey 5-year release. Disaster declarations are from FEMA's OpenFEMA dataset and are refreshed with this edition.
Population estimatesACS profileTIGERweb boundaryNOAA climate normalsFEMA declarations
Similar places
More places to consider.
Selected by the closest mix of population, density, median home value, and average annual high.
Ottumwa, IA
Population, housing, work, and travel data for this Census place.
- Population
- 25,319
- Median home
- $106,300
Portsmouth, OH
Population, housing, work, and travel data for this Census place.
- Population
- 17,282
- Median home
- $103,300
Keep exploring
Compare Alton with Granite City →