Old Jamestown CDP, Missouri Demographics & Population 2026

Population Overview

Old Jamestown CDP is a small city located in Missouri. The total population is 21,121. It ranks as the 36th most populous out of 1,062 cities and towns in Missouri.

Age Demographics

The median age in Old Jamestown CDP is 39.7 years. This is 2% higher than the state median of 38.9 years. With 28.1% of the population under 18, Old Jamestown CDP has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Old Jamestown CDP is $107,250. This is 56% higher than the state median of $68,920. Compared to the national median of $78,538, household income here is 37% higher. The poverty rate stands at 6.1%. This is 51% lower than the state poverty rate of 12.6%. The unemployment rate is 5.2%. This is 27% higher than the state rate of 4.1%. The median home value is $230,100. Housing costs are 7% higher than the state median of $215,600. With a home-value-to-income ratio of just 2.1x, Old Jamestown CDP is one of the most affordable housing markets in the area. 89.3% of occupied housing units are owner-occupied. This homeownership rate is 31% higher than the state average of 67.9%.

Race & Ethnicity

The largest racial or ethnic group in Old Jamestown CDP is Black or African American, making up 66.2% of the population. White (non-Hispanic) residents account for 20.5%. The White (non-Hispanic) population (20.5%) is well below the state average of 76.8%. The Black or African American population is significantly higher than the state average (66.2% vs 11.0%).

Education

39.5% of residents aged 25 and older hold a bachelor's degree or higher. This places Old Jamestown CDP in the top 10% of all cities in the state for educational attainment. This is 24% higher 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 94.5%. Notably, 20.1% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Old Jamestown CDP, 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.