Middleburg: Demographics & People

774 people call Middleburg home, in 398 households. Population shrank 2.4% from 793 (2022) to 774 (2024). Median age 54.1 years. (15.9y older than Loudoun County; 16.3y older than Virginia). Children under 18 are 10% of the population. Population is 82% White (non-Hispanic) and 8% Black. The community is somewhat diverse (Simpson index 0.36). 55% of households are family-led. County is losing 1,912 residents per year (2022-2023). County health: 29% adult obesity, 9% smoke.

Population & Trend

Population shrank 2.4% from 793 (2022) to 774 (2024). Estimated 2026 population: ~755 (extrapolated at -1.2%/yr trend). Census Bureau Vintage estimate: 731.

Census data vintage2024
Population420,959 people
Annual growth rate · Population change-2.4%
Annual growth rate · Population (2022)793
Annual growth rate · Population (2024)774
Annual growth rate · Trend categorydeclining
Population774 people (vs Virginia 42,214) population: 6 observations from 2026-04-17 to 2026-04-29
Population Estimate731

Sources: Census ACS 5-Year 2023, Table B01003  ·  Refreshed 2026-04-12

Age Distribution

Median age 54.1y is 15.2 years older than the U.S. median (38.9y). Children under 18 make up 10% — below the U.S. share of ~22%.

Age Summary · Median age54.1 years (vs Virginia 37.8y)
Age Summary · Children Pct10.1%
Age Summary · Characterretirement community
Age Summary · Total Pop774
Age Summary · Under 1878
Age Summary · 18 To 34168.0×
Age Summary · 35 To 64281.0×
Age Summary · 65 Plus247
Population under 1878
Median age54.1 years (vs Virginia 37.8y)

Sources: Census ACS 5-Year 2024 — place-level B01001 query · Census ACS 5-Year 2023  ·  Refreshed 2026-04-29

Race, Ethnicity & Diversity

Of 774 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.36 (0 = single group, 1 = perfectly even distribution); this is read as somewhat diverse.

White residents615
Black residents94
Asian residents3
Hispanic or Latino residents68
Diversity Index · Diversity index (Simpson)35.6%
Diversity Index · Diversity labelsomewhat diverse
Diversity Index · Groups counted4
Diversity Index · Largest group share78.8%
Asian population0.3% (vs Virginia 5.6%)
Black population7.5% (vs Virginia 18.2%)
Hispanic or Latino population6.8% (vs Virginia 10.1%)
White (non-Hispanic) population81.5% (vs Virginia 53.8%)

Sources: Census ACS 5-Year 2023  ·  Refreshed 2026-04-12

Ancestry

Self-reported ancestry from Census ACS — what residents report as their ethnic origin, separate from race. Counts can exceed population because people can list multiple ancestries.

Top (8)

(unnamed)
Black
(unnamed)
English
(unnamed)
American
(unnamed)
Irish
(unnamed)
Hispanic Total
(unnamed)
Italian
(unnamed)
German
(unnamed)
Cuban

Citizenship & Origin

Where residents were born and their citizenship status (Census ACS). 1.9% are foreign-born — below the U.S. average of 13.9%. 2% have naturalized to U.S. citizenship.

Residents born in this state276
Residents born in another state464
Share born in this state35.7%
Share born in another state64.3%
Native-born U.S. citizens59.9%
Foreign-born residents1.9%
Naturalized citizens2.5%
Total foreign-born residents22
From Europe16
From Africa2

Households & Family Composition

398 households. Averaging 2.1 people each — smaller than the U.S. average of 2.5. 55% are family households — below the U.S. share of ~65%. Of 215 families, 10% are married couples with children.

Children under 18116
Total families215
Married couples with children21
Single-parent households19
Average household size2.07
Women who gave birth (past year)19.8%
Grandparents living with grandchildren18
Family households220 households (vs Virginia 9,367)
Households that are families55.3% (vs Virginia 65.0%)
Total households398 households (vs Virginia 14,324) total_households: 4 observations from 2026-04-23 to 2026-04-29

Sources: Census ACS 5-Year 2023  ·  Refreshed 2026-04-12

Residential Stability & Migration

How long residents have lived here and where they came from. 19.8% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is losing 1,912 residents per year on net (IRS migration data).

Moved within the county (past year)19.8%
Migration · People moving in (annual)459,164
Migration · People moving out (annual)461,076
Migration · Net migration (in − out)-1,912
Migration · Year2022-2023

Sources: IRS SOI Migration 2021-2022  ·  Refreshed 2026-04-12

Disability

Census ACS measures self-reported functional limitations — vision, hearing, mobility, cognitive, self-care, or independent-living. The U.S. baseline disability rate is about 12–13%; rates trend higher with median age.

Residents with a disability30
Disability rate4.7%

Other

Congressional District · District10
Congressional District · Congress118th
Cdc Birth Rate · Fips51107
Cdc Birth Rate · State Fips51
Cdc Birth Rate · County Fips107
Cdc Birth Rate · CountyLoudoun
Cdc Birth Rate · Birth Rate4.4%
Cdc Birth Rate · Lower Ci3.90
Cdc Birth Rate · Upper Ci4.90
Cdc Mortality · Fips51107
Cdc Mortality · CountyLoudoun County
Cdc Mortality · Urban RuralLarge fringe metro
Cdc Mortality · Total Deaths 2020 20236,646
Cdc Vaccination · Fips51107
Cdc Vaccination · CountyLoudoun County
Cdc Vaccination · Dose1 Pop Pct94.7%
Cdc Vaccination · Series Complete Pct76.8%
Cdc Vaccination · Booster Pct48.2%
Cdc Vaccination · Population 2019413,538
Cdc Vaccination · Metro StatusMetro
Family Score · Score2.30
Family Score · Schools2
Family Score · Childcare Centers1
Family Score · Children Pct10.1%
Family Score · Ratinglimited
Town Summary · Key Factspopulation 774, declining, retirement community, affluent, white collar
Town Summary · Population774 people (vs Virginia 42,214)
Town Summary · CountyLoudoun County

Sources: NCES school congressional district assignment · federal dataset cascade