Leesburg: Demographics & People

49,171 people call Leesburg home, in 16,660 households. Population grew 0.8% from 48,788 (2022) to 49,171 (2024). Median age 36.1 years. (2.1y younger than Loudoun County; 1.7y younger than Virginia). Children under 18 are 26% of the population. Population is 54% White (non-Hispanic) and 21% Hispanic or Latino. The community is moderately diverse (Simpson index 0.58). 72% 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 grew 0.8% from 48,788 (2022) to 49,171 (2024) — about 1.3× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~49,560 (extrapolated at 0.4%/yr trend). Census Bureau Vintage estimate: 50,084.

Census data vintage2024
Population420,959 people
Annual growth rate · Population change0.8%
Annual growth rate · Population (2022)48,788
Annual growth rate · Population (2024)49,171
Annual growth rate · Population growingYes
Annual growth rate · Trend categorystable
Population49,171 people (vs Virginia 42,214) population: 4 observations from 2026-04-17 to 2026-04-28
Population Estimate50,084

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

Age Distribution

Median age 36.1y is 2.8 years younger than the U.S. median (38.9y). Children under 18 make up 26% — above the U.S. share of ~22%.

Age Summary · Median age36.1 years (vs Virginia 37.8y)
Age Summary · Children Pct25.7%
Age Summary · Characterfamily-oriented
Age Summary · Total Pop49,171
Age Summary · Under 1812,649
Age Summary · 18 To 3411,195.0×
Age Summary · 35 To 6420,127.0×
Age Summary · 65 Plus5,200
Population under 1812,649
Median age36.1 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 49,171 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.58 (0 = single group, 1 = perfectly even distribution); this is read as moderately diverse.

White residents29,319
Black residents5,010
Asian residents5,192
Hispanic or Latino residents9,045
Diversity Index · Diversity index (Simpson)57.9%
Diversity Index · Diversity labelmoderately diverse
Diversity Index · Groups counted4
Diversity Index · Largest group share60.4%
Asian population11.3% (vs Virginia 5.6%)
Black population8.6% (vs Virginia 18.2%)
Hispanic or Latino population20.7% (vs Virginia 10.1%)
White (non-Hispanic) population54.1% (at Virginia median)

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

Citizenship & Origin

Where residents were born and their citizenship status (Census ACS). 2.7% are foreign-born — below the U.S. average of 13.9%. 22% have naturalized to U.S. citizenship.

Residents born in this state18,735
Residents born in another state18,492
Share born in this state38.1%
Share born in another state61.9%
Native-born U.S. citizens37.6%
Foreign-born residents2.7%
Naturalized citizens21.6%
Total foreign-born residents9,036
From Europe691
From Asia9
From Africa3,241
From Latin America451
Census Foreign Born · Caribbean28
Census Foreign Born · South America16

Households & Family Composition

16,660 households. Averaging 2.9 people each — larger than the U.S. average of 2.5. 72% are family households — above the U.S. share of ~65%. Of 11,919 families, 42% are married couples with children.

Children under 1812,577
Total families11,919
Married couples with children5,004
Single-parent households586
Average household size2.89
Women who gave birth (past year)11.5%
Grandparents living with grandchildren374
Grandparents responsible for grandchildren148
Family households11,923 households (vs Virginia 9,367)
Households that are families71.6% (vs Virginia 65.0%)
Total households16,660 households (vs Virginia 14,324) total_households: 2 observations from 2026-04-23 to 2026-04-23

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

Residential Stability & Migration

How long residents have lived here and where they came from. 9.7% 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)9.7%
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 disability1,864
Disability rate3.9%

Group Quarters

Group quarters are non-household living arrangements counted by the Census — college dormitories, nursing homes, military barracks, group homes, correctional facilities, and similar institutional or shared housing. 297 residents live in group quarters (0.6% of population).

Living in group quarters297

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 · Score10
Family Score · Schools24
Family Score · Childcare Centers29
Family Score · Youth Sports Orgs5
Family Score · Children Pct25.7%
Family Score · Ratingexcellent
Town Summary · Key Factspopulation 49,171, stable, family-oriented, affluent, white collar
Town Summary · Population49,171 people (vs Virginia 42,214)
Town Summary · CountyLoudoun County

Sources: NCES school congressional district assignment · federal dataset cascade