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Harrisburg

Illinoiscity

Photograph of Harrisburg
Featured view

Harrisburg

Total population

8,372

Median home value

$84,100

15.8%

Bachelor's+

Median income

$43,415

Harrisburg$43k
National$74k

Founded

1847

Elevation121 m
Land area17.51 km²
Weather61°F · Mostly Cloudy
Coordinates37.74°, -88.55°

Demographic figures from US Census Bureau · ACS 5-year estimates. Overview below cites Wikipedia and may reference a different year.

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City facts

Founded
1847
Elevation
121 m
Area
17.51 km²

Facts from Wikidata (CC0).

Overview

Harrisburg is a city in and the county seat of Saline County, Illinois, United States. It is located about 55 miles (88.51392 km) southwest of Evansville, Indiana, and 111 mi (179 km) southeast of St. Louis, Missouri. Its 2020 population was 8,219, and the surrounding Harrisburg Township had a population of 10,037, including the city residents. Harrisburg is included in the Illinois–Indiana–Kentucky tri-state area and is the principal city in the Harrisburg micropolitan statistical area with a combined population of 24,913.

Read more on Wikipedia

History & geography

History

At the beginning of recorded American history, the Harrisburg area was inhabited by several Algonquian tribes, including the Shawnee and Piankashaw, who lived in the dense inland forests. Prior to the arrival of European settlers, the Piankashaw tribe was driven out by the more aggressive Shawnee. European settlement in Illinois began with the French from 1690 and reached its peak about 1750, mainly along the Mississippi River. American settlers arrived in 1790. The French came as merchants and missionaries, with farming supplementing the need for trade. The result had benefited both the settlers and the Native Americans. The American migration, however, followed treaties which resulted in land being distributed through American Law, ignoring previous indigenous rights. Encroachment ensued and caused hard feelings between the Native Americans and the settlers who moved into the interior and along migration routes. Many of the Indians allied themselves with the British to resist, though trade with the Americans was an important reason why the Native Americans remained largely peaceful. The town of Harrisburg was platted a few miles south of the junction of the Goshen and Shawneetown–Kaskaskia Trail, two of the first pioneer trade routes in the state. Prior to the War of 1812, most of the population of today's Saline County lived in cabins clustered around blockhouses to protect against Indian attack and dangerous wildlife such as cougars and bears. Permanent settlements in the forested area were inevitable with the influx of more settlers, and the first land entry was made in 1814 by John Wren and Hankerson Rude. By 1840 the settlers outnumbered the Native Americans, and most of the black bear population of the county had been killed off by 1845. Harris along with…

Geography

Harrisburg is located at (37.733765, −88.545873). According to the 2010 census, Harrisburg has a total area of , of which (or 96.91%) is land and (or 3.09%) is water. The square in the center of town, as well as Dorrisville and Gaskins City, stand on top of a series of sandstone bluffs that were once islands rising above natural lowlands, above sea level, dredged by the middle fork of the Saline River. The Saline River was a navigable river used by early settlers for transportation to and from Salt Works just east of Harrisburg. The Saline flowed towards the Ohio and flooded every spring in events called Freshets. The locals called the island "Crusoe's Island". When the area was drained, homes and businesses were built in the floodplain, and it became prone to serious flooding for years to come. The town square in the center of town is a sandstone bluff above sea level, one of the first that start the Shawnee Hills to the south. Topographic maps show the bluffs that rise from the Saline River that wraps the northeast part of the city. Harrisburg is located at the ending point of the Laurentide Ice Sheet, which covered about 85 percent of Illinois. The edge of Illinoian ice sheet(s) lay further south than the southernmost extent, i.e. Douglas County, Kansas, of any of the Pre-Illinoian ice sheets. More than of Shawnee National Forest lie to the south of Harrisburg, drawing visitors annually to the Saline County area and the gateway community. The Shawnee National Forest offers much to see and do. The national forest has of roadways, some of streams and frequent waterfalls, numerous ponds and lakes as large as (some with swimming beaches), 13 campgrounds, many picnicking sites, and seven wilderness areas where trails are designed for hiking and horseback…

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Excerpted from the corresponding Wikipedia article (CC BY-SA).

Demographics & economy

Median age
39
Median home value
$84,100
Housing units
4,046
Poverty rate
29%
Unemployment
9.5%

Race & ethnicity

White
92.5%
Black
3.4%
Asian
0.1%
Hispanic
1.2%

Source: US Census Bureau — American Community Survey, 5-year estimates.

Geography

Latitude
37.7377
Longitude
-88.5458
Water area
0.19 mi²
View on OpenStreetMap

Coordinates & boundaries from the US Census TIGER/Line shapefiles.

Climate

Current forecast

Tonight
61°F
Mostly Cloudy
Tuesday
78°F
Mostly Cloudy
Tuesday Night
58°F
Mostly Cloudy
Wednesday
77°F
Partly Sunny
Wednesday Night
55°F
Partly Cloudy
Thursday
78°F
Mostly Sunny

Forecast for Harrisburg, IL from NOAA NWS API.

Air quality

Industrial & pollution facilities

Natural hazard risk

Health (adults)

High blood pressure
34%
Diabetes
11.3%
Adult obesity
41.2%
Binge drinking
19.5%
Adult smoking
18.5%
No leisure activity
26.1%

Age-adjusted prevalence estimates from CDC PLACES (latest release).

Walkability

Amenities nearby

Wildlife & biodiversity

Observations (last 5 yrs, 10 mi)
74,296
Distinct species (top 10)
10

Most-observed species

  • Northern Cardinal
    Cardinalis cardinalis (Linnaeus, 1758) · Aves
    3,168
  • Mourning Dove
    Zenaida macroura (Linnaeus, 1758) · Aves
    2,946
  • American Crow
    Corvus brachyrhynchos C.L.Brehm, 1822 · Aves
    2,708
  • Tufted Titmouse
    Baeolophus bicolor (Linnaeus, 1766) · Aves
    2,547
  • Blue Jay
    Cyanocitta cristata (Linnaeus, 1758) · Aves
    2,483
  • Red-bellied Woodpecker
    Melanerpes carolinus (Linnaeus, 1758) · Aves
    2,479
  • Carolina Chickadee
    Poecile carolinensis (Audubon, 1834) · Aves
    2,304
  • Downy Woodpecker
    Dryobates pubescens (Linnaeus, 1766) · Aves
    2,133

Citizen-science & research observations from the Global Biodiversity Information Facility (GBIF).

Schools

Total
14
Elementary
5
Middle
3
High
5
Other
1

Largest nearby schools

  • Eldorado Elem School
    Elementary · Eldorado · 545 students · 14:1 ratio
  • Harrisburg High School
    High · Harrisburg · 544 students · 12.7:1 ratio
  • West Side Primary School
    Elementary · Harrisburg · 424 students · 12.5:1 ratio
  • East Side Intermediate School
    Elementary · Harrisburg · 359 students · 11.6:1 ratio
  • Harrisburg Middle School
    Middle · Harrisburg · 331 students · 10.7:1 ratio
  • Carrier Mills-Stonefort Elem Sch
    Elementary · Carrier Mills · 330 students · 13.8:1 ratio
  • Eldorado High School
    High · Eldorado · 301 students · 13.1:1 ratio
  • Eldorado Middle School
    Middle · Eldorado · 231 students · 11.6:1 ratio

Public K–12 schools within ~10 mi from Urban Institute Education Data Portal (NCES Common Core of Data, 2022).

Earthquake history

Quakes ≥ 2.5 (25 yrs, 62 mi)
48
Largest magnitude
5.2
Largest event
2008-04-18

Most recent

Events from the USGS Earthquake Catalog (global) (FDSN Event Web Service).

Photos

Sights & places nearby

Notable people from here

People born within ~10 km, from Wikidata (CC0). Click any name for their Wikipedia article.

Nearby places in Illinois

Browse all places in Illinois →

Geography & sun

Avg solar (kWh/m²/day)
4.21
Annual solar (kWh/m²)
1,536

Elevation, sunrise/sunset and daylight from Open-Meteo. Solar climatology from NASA POWER.

Nearby airports

Public attention

Wikipedia views (last 30 days)
1,438
Avg daily Wikipedia views
48
Attention level
Quiet

Pageview totals from the Wikimedia Pageviews API.

Books about Harrisburg

Search results from Open Library.

Recent natural events nearby

Ground air-quality sensors

Recently spotted species

Research-grade observations from iNaturalist (within ~15 mi).

Nearest stream gauge

Site
MIDDLE FORK SALINE RIVER NEAR HARRISBURG, IL
Distance
2.4 mi
Gage height
9.03 ft

Live readings from USGS NWIS · measured 2026-09-17 07:15 UTC.

Events

Sources

  • • Wikipedia
  • • US Census Bureau (ACS 5-year estimates)
  • • NOAA National Weather Service
  • • Wikidata
  • • USGS Earthquake Catalog (global feed)
  • • USGS NWIS (water data)
  • • NCES via Urban Institute Education Data Portal
  • • GBIF (Global Biodiversity Information Facility)
  • • iNaturalist
  • • CDC PLACES
  • • Open-Meteo / sunrise-sunset.org
  • • Wikipedia Pageviews API
  • • Open Library