Marietta, North Carolina Demographics & Population 2026

A note before these figures: with a population of 106, Marietta'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

Marietta is a small community located in North Carolina, within Robeson County. The total population is 106. It ranks as the 748th most populous out of 772 Census-designated places in North Carolina.

Age Demographics

The median age in Marietta is 63.7 years. This is 63% higher than the state median of 39.1 years. Only 12.3% of residents are under 18, indicating fewer families with children. 10.4% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Marietta is $62,500. This is 14% lower than the state median of $72,388. It is also 23% lower than the national median of $80,734. The poverty rate stands at 15.1%. This is 16% higher than the state poverty rate of 13.0%. The unemployment rate is 16.3%. This is 245% higher than the state rate of 4.7%. The median home value is $135,700. Housing costs are 53% lower than the state median of $288,900. With a home-value-to-income ratio of just 2.2x, Marietta is one of the most affordable housing markets in the area. 88.5% of occupied housing units are owner-occupied. This homeownership rate is 33% higher than the state average of 66.6%.

Race & Ethnicity

Marietta is a highly diverse community where no single racial or ethnic group constitutes a majority of the population. Black or African American residents account for 37.7%. The Black or African American population is significantly higher than the state average (37.7% vs 20.0%).

Education

24.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 32% lower than the state rate of 35.6%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 84.9%.

Data Sources & Methodology

All demographic data for Marietta, North 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 North Carolina state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 772 Census-designated places in North Carolina. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.