Sullivan city, Missouri Demographics & Population 2026

Population Overview

Sullivan city is a small city located in Missouri. The total population is 6,355. It ranks as the 122nd most populous out of 1,062 cities and towns in Missouri.

Age Demographics

The median age in Sullivan city is 41.9 years. This is 8% higher than the state median of 38.9 years. 10.7% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Sullivan city is $60,137. This is 13% lower than the state median of $68,920. Compared to the national median of $78,538, household income here is 23% lower. The poverty rate stands at 12.6%. This is about average than the state poverty rate of 12.6%. The unemployment rate is 6.0%. This is 47% higher than the state rate of 4.1%. The median home value is $153,100. Housing costs are 29% lower than the state median of $215,600. With a home-value-to-income ratio of just 2.5x, Sullivan city is one of the most affordable housing markets in the area. 68.6% of occupied housing units are owner-occupied.

Race & Ethnicity

Sullivan city has a predominantly White (non-Hispanic) population, comprising 86.5% of all residents. Black or African American residents account for 1.9%. The Black or African American population (1.9%) is well below the state average of 11.0%. The Hispanic or Latino population (1.6%) is well below the state average of 5.1%.

Education

19.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 40% lower than the state rate of 31.9%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 90.7%.

Data Sources & Methodology

All demographic data for Sullivan city, Missouri is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Missouri state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,062 Census-designated places in Missouri. For official data, visit data.census.gov.