Demographics of Gaffney city, South Carolina

Gaffney city, South Carolina had 12,583 people on July 1, 2025, by the Census Bureau’s estimate: −139 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Gaffney city, in four figures

12,583
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 12,596 ±66.; −1.1%
Change since July 2020: −139 people.; 31.9 ±2.1
Median age: ACS 2020–⁠2024.; $41,089 ±$3,009
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. The Bureau publishes no births, deaths or migration for a place, so the change is the difference between one July estimate and the next.

Gaffney city, South Carolina's population shrank 1.1% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Gaffney city, South 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).

Source: The Census Bureau

About this chart

The figures

Gaffney city, South Carolina's population shrank 1.1% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Gaffney city, South 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	12,722	100.0	100.0
2021	12,577	98.9	100.2
2022	12,460	97.9	100.7
2023	12,524	98.4	101.6
2024	12,542	98.6	102.5
2025	12,583	98.9	103.1

Population of Gaffney city, South Carolina on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	12,722	—
2021	12,577	−145
2022	12,460	−117
2023	12,524	+64
2024	12,542	+18
2025	12,583	+41

Age, 2020–2024

The median age is 31.9 ±2.1: for men 29.2 ±2.6 and for women 35.2 ±4.4. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Gaffney city by age, ACS 2020–2024
Age	People	Share	South Carolina	United States
Under 5	1,083 ±268	8.6% ±2.1	5.5% ±<0.1	5.6% ±<0.1
5 to 17	1,691 ±373	13.4% ±3.0	16.0% ±0.1	16.3% ±<0.1
18 to 24	1,952 ±326	15.5% ±2.6	9.1% ±0.1	9.1% ±<0.1
25 to 44	3,325 ±400	26.4% ±3.2	25.3% ±0.1	26.9% ±<0.1
45 to 64	2,563 ±344	20.3% ±2.7	25.2% ±0.1	24.8% ±<0.1
65 and over	1,982 ±289	15.7% ±2.3	18.9% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $41,089 ±$3,009, and income per person $21,994 ±$2,365, in 2024 dollars. The median is $69,324 ±$570 in South Carolina and $80,734 ±$166 in the United States.

Households by income

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Households in Gaffney city by income, ACS 2020–2024
Household income	Households	Share	South Carolina	United States
Under $25,000	1,526 ±313	32.9% ±6.5	17.0% ±0.2	14.6% ±<0.1
$25,000 to $49,999	1,245 ±260	26.9% ±5.4	19.6% ±0.3	16.7% ±<0.1
$50,000 to $74,999	795 ±223	17.2% ±4.7	17.0% ±0.3	15.5% ±<0.1
$75,000 to $99,999	327 ±113	7.1% ±2.4	13.1% ±0.2	12.6% ±<0.1
$100,000 to $149,999	479 ±159	10.3% ±3.4	16.4% ±0.2	17.5% ±<0.1
$150,000 to $199,999	92 to 324	2.0% to 7.0%	8.0% ±0.2	9.6% ±<0.1
$200,000 or more	4 to 106	0.1% to 2.3%	8.9% ±0.2	13.4% ±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%.

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 Gaffney city by age, ACS 2020–2024
Age	Below poverty	Rate	South Carolina	United States
All ages	3,351 ±676	29.1% ±5.9	14.1% ±0.2	12.5% ±0.1
Under 18	1,242 ±391	45.5% ±11.0	19.4% ±0.4	16.1% ±0.1
18 to 59	1,601 ±412	25.5% ±5.9	13.1% ±0.2	11.6% ±0.1
60 and over	508 ±175	20.2% ±6.3	11.6% ±0.3	11.0% ±<0.1

Housing, 2020–2024

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Housing in Gaffney city, ACS 2020–2024
Measure	Gaffney city	South Carolina	United States
Housing units	5,384 ±325	2,443,039 ±311	143,775,355 ±10,234
Occupied	86.1% ±7.3	86.7% ±0.2	89.9% ±0.1
Vacant	13.9% ±5.4	13.3% ±0.2	10.1% ±0.1
Owner occupied	50.5% ±5.4	71.9% ±0.3	65.2% ±0.3
Renter occupied	49.5% ±4.9	28.1% ±0.3	34.8% ±0.1
Median home value	$137,700 ±$26,802	$259,000 ±$1,421	$332,700 ±$236
Median gross rent	$887 ±$46	$1,180 ±$9	$1,413 ±$2
Median year built	1975 ±3	1992 ±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 Gaffney city by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	South Carolina	United States
Hispanic or Latino	1,038 ±341	8.2% ±2.7	7.4% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	5,194 ±599	41.2% ±4.8	61.9% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	5,112 ±571	40.6% ±4.5	24.6% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	0 to 108	0% to 0.9%	1.7% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	9 to 149	0.1% to 1.2%	0.2% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 22	0% to 0.2%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	61 to 703	0.5% to 5.6%	0.5% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	743 ±243	5.9% ±1.9	3.7% ±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 Gaffney city by place of birth and citizenship, ACS 2020–2024
Born	People	Share	South Carolina	United States
Born in the state	8,944 ±494	71.0% ±3.9	52.6% ±0.2	57.3% ±<0.1
Born in another state	2,770 ±465	22.0% ±3.7	40.4% ±0.2	26.9% ±<0.1
Born a citizen outside the states	24 to 134	0.2% to 1.1%	1.2% ±0.1	1.7% ±<0.1
Born abroad	803 ±237	6.4% ±1.9	5.8% ±0.1	14.1% ±<0.1
Naturalized citizens	300 ±131	2.4% ±1.0	2.6% ±0.1	7.4% ±<0.1
Not citizens	503 ±228	4.0% ±1.8	3.2% ±0.1	6.8% ±<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%.

Gaffney city among the places of South Carolina

51st of 102 places of 5,000 or more by the survey’s 2020–2024 count. Every one is listed on the South Carolina page.

Places of South Carolina near Gaffney city in population, ACS 2020–2024
Place	ACS 2020–⁠2024
Cayce city	13,741 ±635
Tega Cay city	13,615 ±23
Orangeburg city	13,253 ±23
Boiling Springs CDP	12,936 ±1,618
Parker CDP	12,898 ±1,630
Gaffney city	12,596 ±66
Oak Grove CDP	12,256 ±904
James Island town	12,198 ±26
Fountain Inn city	12,020 ±28
Irmo town	11,813 ±49
Little River CDP	11,771 ±1,091

Rankings this appears in

No. 2 Places in South Carolina by poverty rate
No. 12 Places in South Carolina by Hispanic or Latino share
No. 15 Places in South Carolina by foreign-born share
No. 20 Places by poverty rate
No. 60 Places in South Carolina by homeownership rate
No. 61 Places in South Carolina by median age

Sources

Census Bureau population estimates — incorporated places and New England towns — 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

Compiled automatically from Census Bureau population estimates — incorporated places and New England towns and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026