Barnwell County, SC Demographics

This page shows a collection of maps for Barnwell County (pop: 20,589) of different demographic data.

Barnwell County, SC Household Size Map

This map shows household size in Barnwell County by neighborhood or county. Barnwell County has an average of 2.58 individuals per household. Red areas have larger household sizes, which generally means more children. Green areas have smaller household sizes, and there will typically be fewer young children.

 

Barnwell County, SC Map of Household Size by Area
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Household Size Key

Smaller Households
Medium Size Households
Larger Households

Barnwell County, SC Resident Age Map

The median age of residents in Barnwell County is 42.33. This is older than the median age of 38.1 in the United States.

The areas in green are among the youngest areas in the county. Areas in red show Barnwell County neighborhoods where the median resident is older, and areas in yellow show areas where the median age is between the late 30s and early 40s.

 

Barnwell County, SC Map of Household Size by Area
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Resident Age Key

Young
Middle Age
Older

Barnwell County, SC Single Parent Homes Map

This map shows where single-parent households live. In Barnwell County, 11.40% of households have a single parent. Neighborhoods with very few one-parent households are green, and areas with many single-parent households are red.

 

Barnwell County, SC Map of Single Parent Households
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% Single Parent Homes Key

Few Single Parent Homes
Some Single Parent Homes
Many Single Parent Homes

Home Services

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Updated 2023 using the most recent data available (2021)