Sullivan Flag

Sullivan

County:
Sullivan County
County Seat:
Yes
Area (mi²):
1.875
State:
Indiana

Sullivan is a city located in Sullivan County, Indiana. Sullivan has a 2026 population of 4,230. It is also the county seat of Sullivan County. Sullivan is currently declining at a rate of -0.12% annually and its population has decreased by -0.68% since the most recent census, which recorded a population of 4,259 in 2020.

The median household income in Sullivan is $46,551 with a poverty rate of 19.64%. The median age in Sullivan is 33.2 years: 25.2 years for males, and 36.8 years for females. For every 100 females there are 103.8 males.

4.2K
Total Population
2,256
Density (mi²)
-5 -0.12%
Growth

Sullivan Population

Sullivan Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20264,230-5-0.12%
20254,235-5-0.12%
20244,240-2-0.05%
20234,242-2-0.05%
20224,244-11-0.26%
20214,255-4-0.09%
20204,25910.02%
20194,09160.15%
20184,085140.34%
20174,071-2-0.05%
20164,073-35-0.85%
20154,108-24-0.58%
20144,132-28-0.67%
20134,160-23-0.55%
20124,18350.12%
20114,178-37-0.88%
20104,215-34-0.8%
20004,617-46-0.99%
19904,663-111-2.33%
19804,774911.94%
19704,683-296-5.94%
19604,979-444-8.19%
19505,4233466.82%
19405,077-229-4.32%
19305,30681718.2%
19204,4893749.09%
19104,11599731.98%
19003,11800%

Median Age

Overall: 33.2 years
Female: 36.8 years
Male: 25.2 years

Sullivan Adults

There are 2,941 adults, (817 of whom are seniors) in Sullivan.

Sex Ratio

Female: 2,086 (49.1%)
Male: 2,166 (50.9%)

Demographics

The racial composition of Sullivan includes 90.64% White, and smaller percentages for other race, Black or African American, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White3,85490.64%
Two or more races3207.53%
Other race541.27%
Black or African American120.28%
Native American120.28%
Race
Population ↓
Percentage (of total)
Two or more races431.01%
Other race50.12%
Race
Population ↓
Percentage (of total)
White3,85490.64%
Two or more races2776.51%
Other race491.15%
Black or African American120.28%
Native American120.28%

Sullivan Marital Status

Economics and Income Statistics

Sullivan 's average per capita income is $36,384. Household income levels show a median of $46,551. The poverty rate stands at 19.64%.

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$71,086-
Families$61,272$67,963
Households$46,551$56,032
Non Families$29,152$34,034

$36,384

Average Income

$46,551

Median Household Income

19.64%

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)