Decatur Township, Macon County, Illinois

Decatur Township
Township
The Trobaugh-Good House at Rock Springs Conservation Area
Location in Macon County
Macon County's location in Illinois
Country	United States
State	Illinois
County	Macon
Settlement	November 8, 1859
Area
• Total	31.12 sq mi (80.6 km2)
• Land	29.08 sq mi (75.3 km2)
• Water	2.05 sq mi (5.3 km2)  6.59%
Population  (2010)
• Estimate  (2016) [1]	50,566
• Density	1,819.8/sq mi (702.6/km2)
Time zone	UTC-6 (CST)
• Summer (DST)	UTC-5 (CDT)
FIPS code	17-115-18836

Decatur Township is in Macon County, Illinois. At the 2010 census, its population was 52,915 and it contained 24,918 housing units. ^[2]

Cities and towns

• Bearsdale
• Decatur (main part)
• Wyckles Corners

Adjacent townships

• Hickory Point Township (north)
• Whitmore Township (north and northeast)
• Oakley Township (east)
• Long Creek Township (southeast)
• South Wheatland Township (south)
• Blue Mound Township (southwest)
• Harristown Township (west)
• Illini Township (northwest)

Geography

According to the 2010 census, the township has a total area of 31.12 square miles (80.6 km²), of which 29.08 square miles (75.3 km²) (or 93.44%) is land and 2.05 square miles (5.3 km²) (or 6.59%) is water. ^[2]

Demographics

In the year of 2023, the population is 46,968 people with a median age of 37.9 and a median household income of $50,809. The number of households is 20,241

$47,734 Median household income with 23.5% poverty rate.

91.3% of residents have High school grad or higher and 19.6 have a batolorys degree or higher. ^[3]

Historical population

Census	Pop.	Note	%±
1990	61,905		—
2000	58,322		−5.8%
2010	52,925		−9.3%
2020	47,638		−10.0%
2024 (est.)	45,999		−3.4%
'

References

1. "Population and Housing Unit Estimates" . Retrieved June 9, 2017.
2. "Population, Housing Units, Area, and Density: 2010 - County -- County Subdivision and Place -- 2010 Census Summary File 1". United States Census. Archived from the original on February 12, 2020. Retrieved May 28, 2013.
3. "Census profile: Decatur township, Macon County, IL". Census Reporter. Retrieved November 22, 2025.

External links

• City-data.com
• Illinois State Archives

39°51′N88°58′W / 39.850°N 88.967°W / 39.850; -88.967