Mount Olive Flag

Mount Olive

County:
Macoupin County
County Seat:
No
Area (mi²):
1.153
State:
Illinois

Mount Olive is a city located in Macoupin County, Illinois. Mount Olive has a 2026 population of 1,907. Mount Olive is currently declining at a rate of -0.88% annually and its population has decreased by -5.03% since the most recent census, which recorded a population of 2,008 in 2020.

The median household income in Mount Olive is $55,625 with a poverty rate of 17.84%. The median age in Mount Olive is 50.4 years: 49.6 years for males, and 52.1 years for females. For every 100 females there are 98.7 males.

1.9K
Total Population
1,653
Density (mi²)
-17 -0.88%
Growth

Mount Olive Population

Mount Olive Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20261,907-17-0.88%
20251,924-17-0.88%
20241,941-15-0.77%
20231,956-10-0.51%
20221,966-19-0.96%
20211,985-23-1.15%
20202,008-8-0.4%
20191,940-19-0.97%
20181,959-13-0.66%
20171,972-13-0.65%
20161,985-13-0.65%
20151,998-19-0.94%
20142,017-28-1.37%
20132,045-21-1.02%
20122,066-34-1.62%
20112,10010.05%
20102,10410.05%

Median Age

Overall: 50.4 years
Female: 52.1 years
Male: 49.6 years

Mount Olive Adults

There are 1,598 adults, (533 of whom are seniors) in Mount Olive.

Sex Ratio

Female: 942 (50.3%)
Male: 930 (49.7%)

Demographics

The racial composition of Mount Olive includes 94.71% White, and smaller percentages for Black or African American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White1,77394.71%
Two or more races814.33%
Black or African American180.96%
Race
Population ↓
Percentage (of total)
White70.37%
Two or more races70.37%
Race
Population ↓
Percentage (of total)
White1,76694.34%
Two or more races743.95%
Black or African American180.96%

Mount Olive Marital Status

Economics and Income Statistics

Mount Olive 's average per capita income is $41,500. Household income levels show a median of $55,625. The poverty rate stands at 17.84%.

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$79,250-
Families$62,188$80,376
Households$55,625$68,416
Non Families$32,778$46,785

$41,500

Average Income

$55,625

Median Household Income

17.84%

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)