Gilbert, South Carolina Demographics & Population 2026

A note before these figures: with a population of 751, Gilbert'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

Gilbert is a small community located in South Carolina, within Lexington County. The total population is 751. It ranks as the 303rd most populous out of 474 Census-designated places in South Carolina.

Age Demographics

The median age in Gilbert is 35.6 years. This is 11% lower than the state median of 40.2 years. With 33.0% of the population under 18, Gilbert has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Gilbert is $78,250. This is 13% higher than the state median of $69,324. It is also 3% lower than the national median of $80,734. The poverty rate stands at 3.2%. This is 77% lower than the state poverty rate of 14.1%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 3.4%. This is 31% lower than the state rate of 4.9%. The median home value is $232,700. Housing costs are 10% lower than the state median of $259,000. The home-value-to-income ratio is 3.0x. 79.6% of occupied housing units are owner-occupied. This homeownership rate is 11% higher than the state average of 71.9%.

Race & Ethnicity

The largest racial or ethnic group in Gilbert is White (non-Hispanic), making up 74.4% of the population. Hispanic or Latino residents account for 12.8%. The Black or African American population (4.1%) is well below the state average of 24.6%. The Hispanic or Latino population is significantly higher than the state average (12.8% vs 7.4%). The Asian population is significantly higher than the state average (2.9% vs 1.8%).

Education

26.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 19% 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 88.2%.

Data Sources & Methodology

All demographic data for Gilbert, 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.