Sullivan County, MO Population

Overview

6,045

Total Population

41.9

Median age

50.27%

Female population %

98.9:100

Gender ratio (M:F)

55-59 years

Largest age group

64.6

Total dependency ratio

White

Largest racial group

1,112

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

Sullivan County's population is old compared to the rest of the country:

The median age in Sullivan County is 41.9, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Sullivan County's population under 18 was 23.61%, compared to the 22.51% nationwide.
Sullivan County's elderly or the senior population (over 65 age) was 19.65% as compared to 16.04% nationwide.
Of the total population in Sullivan County, 19.59% were under the age of 15, 17.06% aged 15 to 29, 43.71% aged 30 to 64, 16.53% aged 65 to 84, and 3.13% were 85 years of age and older.

There are 33 more females than males in Sullivan County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.27% females and 49.73% males in Sullivan County, MO.
The Sullivan County, MO gender ratio is 98.9:100 i.e. 98.9 men to 100 women (0.989).
For male population, the largest age group is 55-59 years with a population of 266.
For the female population, the largest age group is 55-59 years with a population of 274.

Sullivan County's population has become increasingly diverse:

Racial distribution of Sullivan County population: 86.44% are White, 2.30% are Black or African American, 0.45% are American Indian and Alaska Native, 0.69% are Asian, 0.46% are Native Hawaiian and other Pacific Islander, 6.27% are some other race and 3.39% are multiracial.
Sullivan County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 1,112 is Hispanic or Latino (of any race), and 4,933 (81.60% of the total population) is Non-Hispanic.
The largest racial group in Sullivan County is White with a population of 5,225 (86.44% of the total population).

Sullivan County's population has already reached its peak and is showing a trend of decline:

The peak population was 7,255 in the year 2002
From 2000 to 2010, Sullivan County's population decreased by 461 (6.40%), as compared to the national growth of 9.63%.
From 2010 to 2020, Sullivan County's population decreased by 750 (11.13%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, Sullivan County's population was lowest in year 2022 at 5,840.