Jacksonville Flag

Jacksonville

County:
Morgan County
County Seat:
Yes
Area (mi²):
10.563
State:
Illinois

Jacksonville is a city located in Morgan County, Illinois. Jacksonville has a 2026 population of 17,579. It is also the county seat of Morgan County. Jacksonville is currently declining at a rate of -0.63% annually and its population has decreased by -3.65% since the most recent census, which recorded a population of 18,245 in 2020.

The median household income in Jacksonville is $65,432 with a poverty rate of 18.45%. The median age in Jacksonville is 37.6 years: 37.1 years for males, and 39.1 years for females. For every 100 females there are 99.4 males.

17.6K
Total Population
1,664
Density (mi²)
-111 -0.63%
Growth

Jacksonville Population

Jacksonville Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202617,579-111-0.63%
202517,690-111-0.62%
202417,801-84-0.47%
202317,885-85-0.47%
202217,970-176-0.97%
202118,146-99-0.54%
202018,245-36-0.2%
201918,621-168-0.89%
201818,789-118-0.62%
201718,907-196-1.03%
201619,1031230.65%
201518,980550.29%
201418,925-258-1.34%
201319,183-180-0.93%
201219,363-32-0.16%
201119,395-23-0.12%
201019,418-28-0.14%
200018,940-384-1.99%
199019,324-960-4.73%
198020,284-269-1.31%
197020,553-1,137-5.24%
196021,6901,3036.39%
195020,3875432.74%
194019,8442,09711.82%
193017,7472,03412.94%
192015,7133872.53%
191015,3262481.64%
190015,0782,14316.57%
189012,9352,00818.38%
188010,9271,72418.73%
18709,2033,67566.48%
18605,5282,783101.38%
18502,74500%

Median Age

Overall: 37.6 years
Female: 39.1 years
Male: 37.1 years

Jacksonville Adults

There are 15,022 adults, (3,371 of whom are seniors) in Jacksonville.

Sex Ratio

Female: 9,036 (50.2%)
Male: 8,978 (49.8%)

Demographics

The racial composition of Jacksonville includes 82% White, 7.64% Black or African American, and smaller percentages for Asian, other race, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White14,77282%
Two or more races1,3957.74%
Black or African American1,3767.64%
Asian2231.24%
Other race2231.24%
Native American250.14%
Race
Population ↓
Percentage (of total)
Two or more races3612%
Other race2011.12%
White960.53%
Black or African American140.08%
Race
Population ↓
Percentage (of total)
White14,67681.47%
Black or African American1,3627.56%
Two or more races1,0345.74%
Asian2231.24%
Native American250.14%
Other race220.12%

Jacksonville Marital Status

Economics and Income Statistics

Jacksonville 's average per capita income is $45,532. Household income levels show a median of $65,432. The poverty rate stands at 18.45%.

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$104,269-
Families$83,319$97,823
Households$65,432$82,268
Non Families$40,229$62,434

$45,532

Average Income

$65,432

Median Household Income

18.45%

Poverty Rate

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)