Petersburg, IL

View of Petersburg, IL
Population
2,125
U.S. Census Population Estimates Program · 2025
Elevation
515 ft
USGS GNIS community points and 3DEP elevation · GNIS 2026-07-06; USGS 3DEP sampled 2026-07-23
Median Home Value
$177,700
U.S. Census American Community Survey 5-Year · 2024
Median Rent
$653/mo
U.S. Census American Community Survey 5-Year · 2024
Median Income
$56,458
U.S. Census American Community Survey 5-Year · 2024
General Quality
Overall rating out of 100

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About Petersburg

Perched on the bluffs above the Sangamon River, Petersburg blends rich Midwestern history with genuine small-town warmth. Life here centers on a vibrant courthouse square filled with local boutiques, family-owned restaurants, a craft brewery, and graceful Victorian homes. Abraham Lincoln surveyed the town's original street grid in the 1830s, and that heritage is easy to explore. Just down the road, Lincoln's New Salem State Historic Site offers miles of wooded walking trails, a reconstructed pioneer village, and popular outdoor summer theater.

Beyond the historic sites, Petersburg has an active community spirit with seasonal festivals, county fair events, and weekend recreation along the river. It offers a quiet, neighborly atmosphere while keeping everyday conveniences close at hand. With Springfield only about twenty miles to the southeast, residents enjoy peaceful rural living with a straightforward commute to the state capital for work, dining, and healthcare.

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