South Muddy township Flag

South Muddy township

County:
Jasper County
County Seat:
No
Area (mi²):
35.712
State:
Illinois

South Muddy township is located in Jasper County, Illinois. South Muddy township has a 2026 population of 302. South Muddy township is currently declining at a rate of -1.63% annually and its population has decreased by -5.33% since the most recent census, which recorded a population of 319 in 2020.

The median age in South Muddy township is 50.1 years: 47.3 years for males, and 53 years for females. For every 100 females there are 84.8 males.

302
Total Population
8.5
Density (mi²)
-5 -1.63%
Growth

South Muddy township Population

South Muddy township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026302-5-1.63%
2025307-5-1.6%
2024312-5-1.58%
202331700%
2022317-1-0.31%
2021318-1-0.31%
2020319-2-0.62%
201933520.6%
201833320.6%
2017331-4-1.19%
2016335-2-0.59%
201533700%
201433710.3%
2013336-3-0.88%
2012339-3-0.88%
201134220.59%
201034110.29%

Median Age

Overall: 50.1 years
Female: 53 years
Male: 47.3 years

South Muddy township Adults

There are 291 adults, (82 of whom are seniors) in South Muddy township.

Sex Ratio

Female: 171 (54.1%)
Male: 145 (45.9%)

Demographics

The racial composition of South Muddy township includes 83.54% White, and smaller percentages for Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White26483.54%
Two or more races4915.51%
Native Hawaiian or Pacific Islander30.95%
Race
Population ↓
Percentage (of total)
Two or more races4915.51%
Race
Population ↓
Percentage (of total)
White26483.54%
Native Hawaiian or Pacific Islander30.95%

South Muddy township Marital Status

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)