Mount Croghan, South Carolina Demographics & Population 2026

A note before these figures: with a population of 170, Mount Croghan'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

Mount Croghan is a small community located in South Carolina, within Chesterfield County. The total population is 170. It ranks as the 421st most populous out of 474 Census-designated places in South Carolina.

Age Demographics

The median age in Mount Croghan is 40.6 years. This is about the same as the state median of 40.2 years.

Economy, Income & Housing

The median household income in Mount Croghan is $68,594. This is 1% lower than the state median of $69,324. It is also 15% lower than the national median of $80,734. The poverty rate stands at 15.9%. This is 13% higher than the state poverty rate of 14.1%. The unemployment rate is 10.0%. This is 104% higher than the state rate of 4.9%. The median home value is $116,700. Housing costs are 55% lower than the state median of $259,000. With a home-value-to-income ratio of just 1.7x, Mount Croghan is one of the most affordable housing markets in the area. 83.1% of occupied housing units are owner-occupied. This homeownership rate is 16% higher than the state average of 71.9%.

Race & Ethnicity

The largest racial or ethnic group in Mount Croghan is White (non-Hispanic), making up 65.9% of the population. Hispanic or Latino residents account for 14.1%. The Black or African American population (9.4%) is well below the state average of 24.6%. The Hispanic or Latino population is significantly higher than the state average (14.1% vs 7.4%).

Education

22.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 31% 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 94.6%.

Data Sources & Methodology

All demographic data for Mount Croghan, 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.