Alton, IL

View of Alton, IL
Population
25,013
U.S. Census Population Estimates Program · 2025
Elevation
494 ft
USGS GNIS community points and 3DEP elevation · GNIS 2026-07-06; USGS 3DEP sampled 2026-07-23
Median Home Value
$103,700
U.S. Census American Community Survey 5-Year · 2024
Median Rent
$1,015/mo
U.S. Census American Community Survey 5-Year · 2024
Median Income
$54,568
U.S. Census American Community Survey 5-Year · 2024
General Quality
Overall rating out of 100

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About Alton

Alton is defined by its dramatic riverside geography, rising sharply from the banks of the Mississippi River into rolling bluff neighborhoods. Down at the bottom sits the historic downtown core, local businesses, and the Clark Bridge connecting the city to Missouri. As you head up the steep streets, you reach leafy residential areas like Christian Hill, Middletown, and Upper Alton, where brick lanes and century-old homes overlook the river valley. History runs deep throughout the area, from Lincoln-Douglas Square downtown to the hometown landmarks celebrating jazz icon Miles Davis and Alton's famous gentle giant, Robert Wadlow.

Because the landscape varies so much, your house-hunting checklist will depend heavily on where you settle. Down on the lower ground, you will want to look closely at flood designations, basement histories, and insurance costs. Up in the bluffs, your focus shifts to things like hillside retaining walls, foundation stability, and winter access on steep roads. If you are eyeing one of Alton's classic Victorian or Craftsman homes, be sure to check whether it falls inside a local historic district, which can influence your exterior remodel plans. It is also a good idea to visit a prospective street at different times of day to see how train traffic, shift changes, and weekend events affect parking and noise.

Daily life in Alton combines a working river-town heritage with plenty of community energy. Downtown along Broadway is filled with antique shops, bakeries, and casual pubs, while the amphitheater at Riverfront Park draws crowds for summer concerts, food truck rallies, and seasonal festivals. Upper Alton has its own distinct rhythm centered around the SIU School of Dental Medicine campus, while the Great River Road offers miles of scenic driving and biking right along the water. For regional travel, Alton's transit center provides easy daily Amtrak service straight into downtown St. Louis and Chicago.

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