Overnight
67°F
Drizzle Likely62% precip
Sunday
82°F
Slight Chance Drizzle then Partly Sunny19% precip
Sunday Night
64°F
Mostly Clear1% precip
Monday
85°F
Sunny
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Alton by the numbers
Population
26,049Population figure, 2020
Households & income
- Area
- 15.67 sq mi (40.59 km²), 1.28 sq mi water
- Median age
- 38
- Households
- 10,714
- Persons per household
- 2.3
- Median household income
- $54,568
- Median house value
- $103,700
Municipal office
- Office
- CITY COMPTROLLER
- Address
- 101 E 3RD ST, ALTON, IL 62002