Illinois · Census place 1770889
South Jacksonville, Illinois
South Jacksonville is a village in Morgan County, Illinois with an estimated 3,197 residents on July 1, 2024. It is the 405th largest of 651 incorporated places of 1,000+ people in the state.
- Population 2024
- 3,197
- #405 of 651 in Illinois
- Change since 2020
- -2.9%
- -95 people
- Land area
- 2.3 sq mi
- + 0.05 sq mi water
- Density
- 1,415 / sq mi
- State median 2,177
Measure from here
Tools and pages that start from South Jacksonville
South Jacksonville population, 2020 to 2024
South Jacksonville lost 95 residents from July 2020 to July 2024, a change of -2.9%. In the latest year it moved by -14.
South Jacksonville covers 2.26 square miles of land and 0.05 of water, for 1,415 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so South Jacksonville is less dense than the typical town.
What county South Jacksonville is in
All of South Jacksonville's residents live in Morgan County, which had 32,618 residents in 2024. South Jacksonville holds 9.8% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.
ZIP codes in South Jacksonville
1 ZIP Code Tabulation Area (ZCTA) overlaps South Jacksonville by at least 10% of the ZCTA's or the village's land: 62650. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a village that annexed land after 2020 may reach into ZIP codes not listed here.
Where South Jacksonville is
The Census internal point of South Jacksonville is at 39.699400, -90.224000. Springfield, the capital, is 31.0 miles E in a straight line. The nearest larger place is Jacksonville, IL (17,801 people), 2.1 miles away. The nearest city of 100,000 or more is Springfield, IL, 31.4 miles away.
Internal point
- Decimal
- 39.699400, -90.224000
- DMS
- 39°41'57.84"N 90°13'26.40"W
- UTM
- 15N 738011.6E 4398079.0N
- Geohash
- 9zpcfghcu
- Plus code
- 86FFMQXG+QC
Daylight in South Jacksonville
At 39.70° N, South Jacksonville gets about 14 h 59 min of daylight around the June solstice and 9 h 22 min around the December solstice, a swing of 5 h 38 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.
Places near South Jacksonville
The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is Jacksonville, 2.1 miles away, with 17,801 people.
Questions people ask
What is the population of South Jacksonville, IL?
3,197 on July 1, 2024, in the Census Vintage 2024 estimates. That is down 95 (2.9%) from 3,292 in July 2020.
What county is South Jacksonville in?
Morgan County. All of its residents live in that county.
What ZIP codes cover South Jacksonville?
1 ZIP Code Tabulation Area overlaps it by at least 10% of either area: 62650.
How far is South Jacksonville from Springfield?
31.0 miles (49.9 km) in a straight line, heading E from South Jacksonville.
What is the nearest larger city to South Jacksonville?
Jacksonville, IL, with 17,801 residents, 2.1 miles away between internal points.
Sources and data as of
Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.
- 01Census Vintage 2024 subcounty population estimates
- 02Census 2024 Gazetteer, places
- 03Census 2020 ZCTA to place relationship file
- 04Census 2024 cartographic boundary file, counties (1:5,000,000)
How every number is computed: methodology. Spotted a wrong figure? Report an error.