Delmar, Maryland demographics

Delmar, MD demographics: median age 32.5; 25.8% of adults 25+ hold a bachelor’s degree. Age, race, households, languages and education, ACS 2020–2024 with margins of error.

ACS 2020–2024 · Delmar town, Maryland · Incorporated town · GEOID 2422600. The survey estimates a population of 4,261 for its five-year window. This is separate from the annual July 2025 population estimate on the city overview.

Median age in Delmar is 32.5 years, with a 90% margin of error of 5.5 years. There are 1,802 households (±205). 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 32.5 ±5.5 39.4 ±0.1 38.9 ±0.1
Age groups · B01001 · ACS 2020–2024 Total population: 4,261
Category Count ± MOE Share ± MOE (pp) Maryland U.S.
Under 18 941 ±272 22.1% ±6.4 pp 22.2% 22.0%
18–34 1,316 ±381 30.9% ±8.9 pp 21.7% 22.8%
35–64 1,577 ±347 37.0% ±8.1 pp 39.5% 38.0%
65 and older 427 ±149 10.0% ±3.5 pp 16.7% 17.2%
Sex categories as published by ACS · B01001 · ACS 2020–2024 Total population: 4,261
Category Count ± MOE Share ± MOE (pp) Maryland U.S.
Male 1,920 ±244 45.1% ±5.7 pp 48.7% 49.5%
Female 2,341 ±242 54.9% ±5.7 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: 4,261
Category Count ± MOE Share ± MOE (pp) Maryland U.S.
White alone 2,436 ±529 57.2% ±12.4 pp 48.2% 61.0%
Black or African American alone 1,209 ±460 28.4% ±10.8 pp 29.4% 12.2%
American Indian and Alaska Native alone 4 ±7 · low precision 0.1% ±0.2 pp · low precision 0.4% 0.9%
Asian alone 89 ±143 · low precision 2.1% ±3.4 pp · low precision 6.6% 6.0%
Native Hawaiian and Other Pacific Islander alone 0 ±14 · low precision 0.0% ±0.3 pp · low precision 0.0% 0.2%
Some other race alone 340 ±364 · low precision 8.0% ±8.5 pp · low precision 6.9% 7.1%
Two or more races 183 ±168 · low precision 4.3% ±3.9 pp · low precision 8.5% 12.6%
Hispanic or Latino origin · B03003 · ACS 2020–2024 Total population: 4,261
Category Count ± MOE Share ± MOE (pp) Maryland U.S.
Not Hispanic or Latino 3,862 ±415 90.6% ±9.7 pp 87.5% 80.7%
Hispanic or Latino 399 ±413 · low precision 9.4% ±9.7 pp · low precision 12.5% 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: 1,802
Category Count ± MOE Share ± MOE (pp) Maryland U.S.
Married-couple family 629 ±179 34.9% ±9.1 pp 46.2% 46.9%
Other family: male householder, no spouse present 39 ±40 · low precision 2.2% ±2.2 pp · low precision 5.1% 5.1%
Other family: female householder, no spouse present 371 ±140 20.6% ±7.4 pp 13.7% 12.2%
Nonfamily: householder living alone 415 ±182 23.0% ±9.8 pp 28.7% 28.7%
Nonfamily: householder not living alone 348 ±220 · low precision 19.3% ±12.0 pp · low precision 6.4% 7.0%
Households with children · B11005 · ACS 2020–2024 Households: 1,802
Category Count ± MOE Share ± MOE (pp) Maryland U.S.
Households with people under 18 562 ±132 31.2% ±6.4 pp 30.6% 29.5%
Households without people under 18 1,240 ±267 68.8% ±12.6 pp 69.4% 70.5%
Household size · B11016 · ACS 2020–2024 Households: 1,802
Category Count ± MOE Share ± MOE (pp) Maryland U.S.
One-person nonfamily households 415 ±182 23.0% ±9.8 pp 28.7% 28.7%
Two-person households 775 ±277 43.0% ±14.6 pp 32.1% 33.8%
Three-person households 314 ±140 17.4% ±7.5 pp 16.0% 15.3%
Four-person households 203 ±117 · low precision 11.3% ±6.4 pp · low precision 13.3% 12.6%
Five-person households 77 ±73 · low precision 4.3% ±4.0 pp · low precision 6.0% 5.9%
Six-person households 18 ±36 · low precision 1.0% ±2.0 pp · low precision 2.4% 2.2%
Seven or more people 0 ±20 · low precision 0.0% ±1.1 pp · low precision 1.5% 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: 4,261
Category Count ± MOE Share ± MOE (pp) Maryland U.S.
Native 4,027 ±183 94.5% ±4.2 pp 83.4% 85.9%
Foreign born 234 ±184 · low precision 5.5% ±4.3 pp · low precision 16.6% 14.1%
Language spoken at home · C16001 · ACS 2020–2024 Population age 5 and older: 4,106
Category Count ± MOE Share ± MOE (pp) Maryland U.S.
English only 3,466 ±418 84.4% ±10.0 pp 78.9% 77.7%
Spanish 431 ±412 · low precision 10.5% ±10.0 pp · low precision 9.6% 13.6%
French, Haitian, or Cajun 66 ±140 · low precision 1.6% ±3.4 pp · low precision 1.3% 0.7%
German or other West Germanic 0 ±14 · low precision 0.0% ±0.3 pp · low precision 0.3% 0.5%
Russian, Polish, or other Slavic 56 ±90 · low precision 1.4% ±2.2 pp · low precision 0.6% 0.7%
Other Indo-European 0 ±14 · low precision 0.0% ±0.3 pp · low precision 2.5% 2.0%
Korean 36 ±73 · low precision 0.9% ±1.8 pp · low precision 0.6% 0.3%
Chinese, including Mandarin and Cantonese 0 ±14 · low precision 0.0% ±0.3 pp · low precision 1.2% 1.1%
Vietnamese 0 ±14 · low precision 0.0% ±0.3 pp · low precision 0.3% 0.5%
Tagalog, including Filipino 0 ±14 · low precision 0.0% ±0.3 pp · low precision 0.6% 0.6%
Other Asian and Pacific Island 51 ±83 · low precision 1.2% ±2.0 pp · low precision 1.1% 1.1%
Arabic 0 ±14 · low precision 0.0% ±0.3 pp · low precision 0.4% 0.5%
Other and unspecified 0 ±14 · low precision 0.0% ±0.3 pp · low precision 2.5% 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: 2,548
Category Count ± MOE Share ± MOE (pp) Maryland U.S.
Less than high school graduate 244 ±141 · low precision 9.6% ±5.4 pp · low precision 8.9% 10.4%
High school graduate or equivalency 674 ±213 26.5% ±7.7 pp 23.4% 26.0%
Some college, no degree 568 ±231 22.3% ±8.6 pp 17.4% 19.1%
Associate’s degree 405 ±153 15.9% ±5.7 pp 6.8% 8.8%
Bachelor’s degree 478 ±166 18.8% ±6.1 pp 22.7% 21.6%
Graduate or professional degree 179 ±104 · low precision 7.0% ±4.0 pp · low precision 20.8% 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: 4,261
Category Count ± MOE Share ± MOE (pp) Maryland U.S.
Same house 3,892 ±200 91.3% ±4.6 pp 88.7% 87.7%
Moved within same county 157 ±141 · low precision 3.7% ±3.3 pp · low precision 5.2% 6.3%
Moved from a different county in the same state 85 ±84 · low precision 2.0% ±2.0 pp · low precision 2.8% 3.1%
Moved from a different state 127 ±109 · low precision 3.0% ±2.6 pp · low precision 2.6% 2.3%
Moved from abroad 0 ±14 · low precision 0.0% ±0.3 pp · low precision 0.7% 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

6.1% of Delmar residents (±3.9 percentage points) had no health insurance coverage when surveyed, compared with 6.3% in Maryland and 8.4% nationally. 97.1% 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 Delmar Maryland U.S. Compared with Maryland
People without health insurance Civilian noninstitutionalized population 6.1% ±3.9 pp · low precision 6.3% 8.4% Not statistically different
Households with a broadband subscription Households 97.1% ±1.9 pp 92.4% 91.0% Higher
Veterans Civilian population age 18 and older 3.9% ±3.1 pp · low precision 6.8% 6.2% Not statistically different

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 Delmar . 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 Delmar housing and cost context or return to the city profile.

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