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The total population of Duncan is estimated to be 4,053 with 1,893 males (46.71%) and 2,160 females (53.29%). There are 267 more females than males in Duncan.
The median household income in Duncan was $57,266 in 2021, which marked an an increase of 609(1.07%) from $56,657 in 2020. This income is 76.76% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
Per the latest American Community Survey by the Census Bureau, Duncan sees its highest median household income among householders in the age group of 25 to 44 years old, at $70,581. Overall, the median household income for the town of Duncan stands at $57,266.
In Duncan, the median income for all workers aged 15 years and older, regardless of work hours, was $30,339 for males and $34,643 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $40,450 for males and $45,232 for females.
In Duncan, there are just three different racial groups among households. Among these, Two or More Races households report a median household income of $71,047, followed by White households at $57,199, and Black or African American households with a median household income of $48,539.
In 2022, the population of Duncan was 4,276, a 3.29% increase year-by-year from 2021. Previously, in 2021, Duncan's population was 4,140, an increase of 2.12% compared to a population of 4,054 in 2020.
The median age in Duncan, SC is 30.5, as per 2021 ACS 5-Year Estimates. Of the total population, 24.28% were under the age of 15, 22.78% aged 15 to 29, 42.80% aged 30 to 64, 7.32% aged 65 to 84, and 2.82% were 85 years of age and older.
Racial distribution of Duncan population: 61.09% are White, 33.30% are Black or African American, 0.53% are some other race and 5.08% are multiracial.