Richwood township Flag

Richwood township

County:
Jersey County
County Seat:
No
Area (mi²):
37.558
State:
Illinois

Richwood township is located in Jersey County, Illinois. Richwood township has a 2026 population of 487. Richwood township is currently declining at a rate of -1.02% annually and its population has decreased by -6.17% since the most recent census, which recorded a population of 519 in 2020.

The median household income in Richwood township is $84,375 with a poverty rate of 12.59%. The median age in Richwood township is 54.3 years: 53.4 years for males, and 55.5 years for females. For every 100 females there are 74.3 males.

487
Total Population
13
Density (mi²)
-5 -1.02%
Growth

Richwood township Population

Richwood township Population

Year ↓
Population
Growth
Annual Change
2026487-5-1.02%
2025492-5-1.01%
2024497-4-0.8%
2023501-4-0.79%
2022505-7-1.37%
2021512-7-1.35%
2020519-2-0.38%
2019600-3-0.5%
2018603-4-0.66%
2017607-3-0.49%
2016610-9-1.45%
2015619-5-0.8%
2014624-7-1.11%
2013631-8-1.25%
2012639-8-1.24%
2011647-6-0.92%
2010652-1-0.15%

Median Age

Overall: 54.3 years
Female: 55.5 years
Male: 53.4 years

Richwood township Adults

There are 361 adults, (118 of whom are seniors) in Richwood township.

Sex Ratio

Female: 237 (57.4%)
Male: 176 (42.6%)

Demographics

The racial composition of Richwood township includes 95.4% White, and smaller percentages for other race, Asian, Two or more races and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White39495.4%
Other race102.42%
Asian61.45%
Two or more races30.73%
Race
Population ↓
Percentage (of total)
White39495.4%
Other race102.42%
Asian61.45%
Two or more races30.73%

Richwood township Marital Status

Economics and Income Statistics

Richwood township's average per capita income is $45,469. Household income levels show a median of $84,375. The poverty rate stands at 12.59%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$120,192-
Families$97,143$104,422
Households$84,375$87,223
Non Families$38,333$53,973

$45,469

Average Income

$84,375

Median Household Income

12.59%

Poverty Rate

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)