Demographics of Duplin County, North Carolina

Duplin County, North Carolina had 51,571 people on July 1, 2025, by the Census Bureau’s estimate: +2,911 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Duplin County, in four figures

51,571
Population: July 1, 2025, Vintage 2025 estimate.; +6.0%
Change since July 2020: +2,911 people.; 40.7 ±0.5
Median age: ACS 2020–⁠2024.; $55,148 ±$3,396
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Duplin County, North Carolina's population grew 6.0% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Duplin County, North Carolina's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

U.S. Census Bureau — Census Bureau population estimates — counties and Puerto Rico municipios, with components of change

About this chart

The figures

Duplin County, North Carolina's population grew 6.0% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Duplin County, North Carolina's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	48,660	100.0	100.0
2021	48,565	99.8	100.2
2022	49,065	100.8	100.7
2023	49,942	102.6	101.6
2024	51,002	104.8	102.5
2025	51,571	106.0	103.1

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Population of Duplin County, North Carolina on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	48,660	−50	−33	+5	−33
2021	48,565	−95	−66	+86	−149
2022	49,065	+500	+27	+340	+151
2023	49,942	+877	+106	+490	+281
2024	51,002	+1,060	+43	+848	+173
2025	51,571	+569	+43	+479	+45

Age, 2020–2024

The median age is 40.7 ±0.5: for men 39.3 ±1.3 and for women 41.8 ±0.8. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Duplin County by age, ACS 2020–2024
Age	People	Share	North Carolina	United States
Under 5	3,184 ±26	6.5% ±0.1	5.6% ±<0.1	5.6% ±<0.1
5 to 17	8,524 ±449	17.3% ±0.9	16.1% ±0.1	16.3% ±<0.1
18 to 24	4,211 ±358	8.5% ±0.7	9.5% ±0.1	9.1% ±<0.1
25 to 44	11,090 ±505	22.5% ±1.0	26.2% ±0.1	26.9% ±<0.1
45 to 64	12,511 ±445	25.4% ±0.9	25.4% ±0.1	24.8% ±<0.1
65 and over	9,815 ±547	19.9% ±1.1	17.2% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $55,148 ±$3,396, and income per person $28,478 ±$1,081, in 2024 dollars. The median is $72,388 ±$324 in North Carolina and $80,734 ±$166 in the United States.

Households by income

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Households in Duplin County by income, ACS 2020–2024
Household income	Households	Share	North Carolina	United States
Under $25,000	4,454 ±483	21.4% ±2.3	15.8% ±0.2	14.6% ±<0.1
$25,000 to $49,999	5,173 ±578	24.9% ±2.7	19.1% ±0.2	16.7% ±<0.1
$50,000 to $74,999	3,805 ±468	18.3% ±2.2	16.8% ±0.2	15.5% ±<0.1
$75,000 to $99,999	2,849 ±314	13.7% ±1.5	13.0% ±0.1	12.6% ±<0.1
$100,000 to $149,999	2,932 ±398	14.1% ±1.9	16.6% ±0.2	17.5% ±<0.1
$150,000 to $199,999	766 ±146	3.7% ±0.7	8.3% ±0.1	9.6% ±<0.1
$200,000 or more	808 ±163	3.9% ±0.8	10.4% ±0.1	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Duplin County by age, ACS 2020–2024
Age	Below poverty	Rate	North Carolina	United States
All ages	10,006 ±941	20.5% ±1.9	13.0% ±0.2	12.5% ±0.1
Under 18	3,581 ±463	31.0% ±3.5	17.7% ±0.3	16.1% ±0.1
18 to 59	4,855 ±573	19.7% ±2.2	12.1% ±0.2	11.6% ±0.1
60 and over	1,570 ±264	12.4% ±2.0	10.9% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Duplin County, ACS 2020–2024
Measure	Duplin County	North Carolina	United States
Housing units	23,861 ±53	4,895,668 ±642	143,775,355 ±10,234
Occupied	87.1% ±1.8	87.5% ±0.2	89.9% ±0.1
Vacant	12.9% ±1.8	12.5% ±0.2	10.1% ±0.1
Owner occupied	70.3% ±1.9	66.6% ±0.3	65.2% ±0.3
Renter occupied	29.7% ±2.4	33.4% ±0.2	34.8% ±0.1
Median home value	$137,400 ±$10,079	$288,900 ±$1,086	$332,700 ±$236
Median gross rent	$865 ±$49	$1,228 ±$5	$1,413 ±$2
Median year built	1986 ±2	1991 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Duplin County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	North Carolina	United States
Hispanic or Latino	11,496 ±0	23.3% ±<0.1	11.3% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	24,769 ±78	50.2% ±0.2	60.0% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	10,883 ±436	22.1% ±0.9	20.0% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	288 ±40	0.6% ±0.1	3.3% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	6 to 86	< 0.1% to 0.2%	0.8% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 36	0% to 0.1%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	12 to 144	< 0.1% to 0.3%	0.5% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	1,761 ±437	3.6% ±0.9	4.1% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Duplin County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	North Carolina	United States
Born in the state	34,852 ±951	70.6% ±1.9	53.6% ±0.2	57.3% ±<0.1
Born in another state	7,675 ±723	15.6% ±1.5	35.9% ±0.2	26.9% ±<0.1
Born a citizen outside the states	769 ±340	1.6% ±0.7	1.4% ±<0.1	1.7% ±<0.1
Born abroad	6,039 ±578	12.2% ±1.2	9.1% ±0.1	14.1% ±<0.1
Naturalized citizens	1,083 ±281	2.2% ±0.6	3.8% ±0.1	7.4% ±<0.1
Not citizens	4,956 ±588	10.0% ±1.2	5.2% ±0.1	6.8% ±<0.1

Duplin County among the counties of North Carolina

51st of 100 by population, July 2025. Every one is listed on the North Carolina page.

Counties of North Carolina near Duplin County in population, July 2025
County	July 2025	Change since 2020
Sampson County	61,504	+4.1%
Granville County	61,421	+2.1%
Hoke County	56,939	+9.0%
Lenoir County	55,837	+1.4%
Watauga County	54,786	+0.6%
Duplin County	51,571	+6.0%
Columbus County	50,487	0%
Edgecombe County	49,121	+0.7%
Halifax County	46,534	−3.9%
Stokes County	46,126	+3.5%
Davie County	45,855	+6.9%

Elsewhere on the site

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Data retrieved September 25, 2026