Quinby, South Carolina Demographics & Population 2026

A note before these figures: with a population of 858, Quinby's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.

Population Overview

Quinby is a small community located in South Carolina, within Florence County. The total population is 858. It ranks as the 282nd most populous out of 474 Census-designated places in South Carolina.

Age Demographics

The median age in Quinby is 49.9 years. This is 24% higher than the state median of 40.2 years. Only 14.3% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The median household income in Quinby is $66,458. This is 4% lower than the state median of $69,324. It is also 18% lower than the national median of $80,734. The poverty rate stands at 16.6%. This is 18% higher than the state poverty rate of 14.1%. The unemployment rate is 3.4%. This is 31% lower than the state rate of 4.9%. The median home value is $164,800. Housing costs are 36% lower than the state median of $259,000. With a home-value-to-income ratio of just 2.5x, Quinby is one of the most affordable housing markets in the area. 91.0% of occupied housing units are owner-occupied. This homeownership rate is 27% higher than the state average of 71.9%.

Race & Ethnicity

The largest racial or ethnic group in Quinby is Black or African American, making up 63.5% of the population. White (non-Hispanic) residents account for 32.6%. The Black or African American population is significantly higher than the state average (63.5% vs 24.6%). The Hispanic or Latino population (1.4%) is well below the state average of 7.4%.

Education

20.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 37% lower than the state rate of 32.1%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 87.0%.

Data Sources & Methodology

All demographic data for Quinby, South Carolina is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against South Carolina state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 474 Census-designated places in South Carolina. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.