Lancaster, South Carolina demographics

Lancaster, SC demographics: median age 40.4; 21.1% of adults 25+ hold a bachelor’s degree. Age, race, households, languages and education, ACS 2020–2024 with margins of error.

ACS 2020–2024 · Lancaster city, South Carolina · Incorporated city · GEOID 4539895. The survey estimates a population of 8,921 for its five-year window. This is separate from the annual July 2025 population estimate on the city overview.

Median age in Lancaster is 40.4 years, with a 90% margin of error of 4.1 years. There are 3,646 households (±313). Age and household distributions show how these totals are composed; they do not establish which neighborhood suits a particular person.

Every count and share is an estimate. “±” is a 90% margin of error (MOE); pp means percentage points. Derived shares use the category count divided by the named universe. Aggregated category MOEs and percentage MOEs are approximate. A margin larger than half its estimate is flagged as low precision. Blank source uncertainty is shown as unavailable, never zero.

Age distribution and sex

City, state and U.S. estimates · ACS 2020–2024
Measure / survey universe	City estimate ± MOE	State estimate ± MOE	U.S. estimate ± MOE
Median age Total population · years	40.4 ±4.1	40.2 ±0.2	38.9 ±0.1

Age groups · B01001 · ACS 2020–2024 Total population: 8,921
Category	Count ± MOE	Share ± MOE (pp)	South Carolina	U.S.
Under 18	2,059 ±351	23.1% ±3.9 pp	21.4%	22.0%
18–34	1,630 ±363	18.3% ±4.1 pp	22.0%	22.8%
35–64	3,374 ±496	37.8% ±5.6 pp	37.7%	38.0%
65 and older	1,858 ±329	20.8% ±3.7 pp	18.9%	17.2%

Sex categories as published by ACS · B01001 · ACS 2020–2024 Total population: 8,921
Category	Count ± MOE	Share ± MOE (pp)	South Carolina	U.S.
Male	4,172 ±355	46.8% ±4.0 pp	48.7%	49.5%
Female	4,749 ±354	53.2% ±4.0 pp	51.3%	50.5%

The age groups are mutually exclusive and cover the entire population. The sex categories follow this ACS table’s published classification; they are not a survey of gender identity.

Race and Hispanic origin

Race · B02001 · ACS 2020–2024 Total population: 8,921
Category	Count ± MOE	Share ± MOE (pp)	South Carolina	U.S.
White alone	3,659 ±590	41.0% ±6.6 pp	63.3%	61.0%
Black or African American alone	4,098 ±627	45.9% ±7.0 pp	24.8%	12.2%
American Indian and Alaska Native alone	14 ±19 · low precision	0.2% ±0.2 pp · low precision	0.4%	0.9%
Asian alone	68 ±89 · low precision	0.8% ±1.0 pp · low precision	1.8%	6.0%
Native Hawaiian and Other Pacific Islander alone	0 ±20 · low precision	0.0% ±0.2 pp · low precision	0.1%	0.2%
Some other race alone	278 ±242 · low precision	3.1% ±2.7 pp · low precision	2.8%	7.1%
Two or more races	804 ±455 · low precision	9.0% ±5.1 pp · low precision	6.8%	12.6%

Hispanic or Latino origin · B03003 · ACS 2020–2024 Total population: 8,921
Category	Count ± MOE	Share ± MOE (pp)	South Carolina	U.S.
Not Hispanic or Latino	7,907 ±402	88.6% ±4.5 pp	92.6%	80.7%
Hispanic or Latino	1,014 ±406	11.4% ±4.6 pp	7.4%	19.3%

Hispanic origin and race are separate questions. People of Hispanic or Latino origin may be of any race and appear in both tables. Do not add the Hispanic share to race shares. Race alone and two-or-more-race groups are the mutually exclusive categories of the race table.

Household types, children and living alone

Household types · B11001 · ACS 2020–2024 Households: 3,646
Category	Count ± MOE	Share ± MOE (pp)	South Carolina	U.S.
Married-couple family	1,119 ±234	30.7% ±5.9 pp	47.1%	46.9%
Other family: male householder, no spouse present	131 ±88 · low precision	3.6% ±2.4 pp · low precision	4.5%	5.1%
Other family: female householder, no spouse present	816 ±220	22.4% ±5.7 pp	13.4%	12.2%
Nonfamily: householder living alone	1,537 ±353	42.2% ±9.0 pp	29.2%	28.7%
Nonfamily: householder not living alone	43 ±33 · low precision	1.2% ±0.9 pp · low precision	5.8%	7.0%

Households with children · B11005 · ACS 2020–2024 Households: 3,646
Category	Count ± MOE	Share ± MOE (pp)	South Carolina	U.S.
Households with people under 18	1,012 ±171	27.8% ±4.0 pp	28.6%	29.5%
Households without people under 18	2,634 ±367	72.2% ±7.9 pp	71.4%	70.5%

Household size · B11016 · ACS 2020–2024 Households: 3,646
Category	Count ± MOE	Share ± MOE (pp)	South Carolina	U.S.
One-person nonfamily households	1,537 ±353	42.2% ±9.0 pp	29.2%	28.7%
Two-person households	1,011 ±255	27.7% ±6.6 pp	36.3%	33.8%
Three-person households	387 ±119	10.6% ±3.1 pp	15.4%	15.3%
Four-person households	402 ±132	11.0% ±3.5 pp	11.6%	12.6%
Five-person households	153 ±81 · low precision	4.2% ±2.2 pp · low precision	5.0%	5.9%
Six-person households	144 ±104 · low precision	3.9% ±2.8 pp · low precision	1.7%	2.2%
Seven or more people	12 ±31 · low precision	0.3% ±0.9 pp · low precision	0.9%	1.4%

A family household contains related people under the Census definition. A nonfamily household can contain one person or unrelated people sharing a home. Households with children can also appear in the household-type and size tables, so those tables must not be added together. Household estimates exclude people living in group quarters from the household universe.

Nativity and languages spoken at home

Nativity · B05002 · ACS 2020–2024 Total population: 8,921
Category	Count ± MOE	Share ± MOE (pp)	South Carolina	U.S.
Native	8,024 ±397	89.9% ±4.4 pp	94.2%	85.9%
Foreign born	897 ±402	10.1% ±4.5 pp	5.8%	14.1%

Language spoken at home · C16001 · ACS 2020–2024 Population age 5 and older: 8,460
Category	Count ± MOE	Share ± MOE (pp)	South Carolina	U.S.
English only	7,284 ±466	86.1% ±5.2 pp	91.6%	77.7%
Spanish	958 ±407	11.3% ±4.8 pp	5.3%	13.6%
French, Haitian, or Cajun	15 ±29 · low precision	0.2% ±0.3 pp · low precision	0.3%	0.7%
German or other West Germanic	0 ±20 · low precision	0.0% ±0.2 pp · low precision	0.3%	0.5%
Russian, Polish, or other Slavic	48 ±78 · low precision	0.6% ±0.9 pp · low precision	0.4%	0.7%
Other Indo-European	68 ±73 · low precision	0.8% ±0.9 pp · low precision	0.8%	2.0%
Korean	0 ±20 · low precision	0.0% ±0.2 pp · low precision	0.1%	0.3%
Chinese, including Mandarin and Cantonese	0 ±20 · low precision	0.0% ±0.2 pp · low precision	0.2%	1.1%
Vietnamese	21 ±60 · low precision	0.2% ±0.7 pp · low precision	0.2%	0.5%
Tagalog, including Filipino	0 ±20 · low precision	0.0% ±0.2 pp · low precision	0.2%	0.6%
Other Asian and Pacific Island	0 ±20 · low precision	0.0% ±0.2 pp · low precision	0.4%	1.1%
Arabic	54 ±78 · low precision	0.6% ±0.9 pp · low precision	0.1%	0.5%
Other and unspecified	12 ±20 · low precision	0.1% ±0.2 pp · low precision	0.3%	0.8%

Foreign born means not a U.S. citizen at birth; it includes naturalized citizens. Language categories describe speech at home among people age five and older. A language other than English at home does not establish that someone cannot speak English. This city page uses the published C16001 summary categories because the more detailed B16001 table does not provide these city records in this release.

Educational attainment

Highest completed education · B15003 · ACS 2020–2024 Population age 25 and older: 6,335
Category	Count ± MOE	Share ± MOE (pp)	South Carolina	U.S.
Less than high school graduate	1,252 ±437	19.8% ±6.8 pp	9.9%	10.4%
High school graduate or equivalency	1,753 ±359	27.7% ±5.4 pp	28.2%	26.0%
Some college, no degree	1,347 ±241	21.3% ±3.6 pp	19.8%	19.1%
Associate’s degree	646 ±205	10.2% ±3.2 pp	10.0%	8.8%
Bachelor’s degree	748 ±168	11.8% ±2.6 pp	19.8%	21.6%
Graduate or professional degree	589 ±207	9.3% ±3.2 pp	12.3%	14.1%

The denominator excludes residents under 25. Each person is counted in the highest attainment category they completed. This table does not measure the quality of local schools or the education level of every current student.

Residence one year earlier

Geographic mobility · B07003 · ACS 2020–2024 Population age 1 and older: 8,807
Category	Count ± MOE	Share ± MOE (pp)	South Carolina	U.S.
Same house	7,489 ±461	85.0% ±5.2 pp	87.2%	87.7%
Moved within same county	840 ±406	9.5% ±4.6 pp	5.5%	6.3%
Moved from a different county in the same state	132 ±110 · low precision	1.5% ±1.2 pp · low precision	3.1%	3.1%
Moved from a different state	154 ±134 · low precision	1.7% ±1.5 pp · low precision	3.7%	2.3%
Moved from abroad	192 ±241 · low precision	2.2% ±2.7 pp · low precision	0.4%	0.6%

These are respondents’ residence patterns one year before their survey response, pooled across the five-year window. They are not a net migration count for 2025. A person can move to a different house within the same city or county; moves within the same county should not automatically be interpreted as new arrivals to the city.

Health insurance, internet access and veterans

13.1% of Lancaster residents (±5.0 percentage points) had no health insurance coverage when surveyed, compared with 9.6% in South Carolina and 8.4% nationally. 75.3% of households subscribe to broadband of any type, including cellular data plans. A subscription is not the same as available service: the FCC National Broadband Map shows providers at a specific address.

City, state and U.S. shares · ACS 2020–2024
Measure	Lancaster	South Carolina	U.S.	Compared with South Carolina
People without health insurance Civilian noninstitutionalized population	13.1% ±5.0 pp	9.6%	8.4%	Not statistically different
Households with a broadband subscription Households	75.3% ±3.1 pp	88.8%	91.0%	Lower
Veterans Civilian population age 18 and older	5.5% ±2.1 pp	8.3%	6.2%	Lower

Reading and reusing the estimates

The Census table links above lead to the original detailed tables. Counts, source universes and uncertainty are retained in the source observation download for Lancaster . Compare these figures with the same survey window; do not compare one city’s five-year estimate with another city’s annual estimate as though they measured the same period. For methods, see uncertainty and denominator calculations.

Read Lancaster housing and cost context or return to the city profile.