Demographics & People — Gaithersburg, Maryland

Population Overview

Population (Census)69,225
Estimated 2026~71,300
Median Age37.8
Total Households26,019
Family Households17,066
Average Household Size2.65
Diversity Index0.7249 (highly diverse)

Race & Ethnicity

White24,642
Black or African American10,703
Asian13,587
Hispanic or Latino20,411

Heritage & Ancestry

GroupCount
Other groups34,959
Hispanic: Hispanic or Latino17,923
Unclassified or not reported11,654
Hispanic: Central American9,382
Hispanic: Salvadoran5,790
German4,208
Hispanic: South American3,988
English3,645
Irish3,603
Subsaharan African3,299

Language

English Only30,092
Spanish15,954
Population 5+64,403

Veterans

Veterans2,083
Population 18+53,320

Commuting

Mean Commute Time29.4 minutes
Work from Home26.0%
Commuter ProfileN/A
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Gaithersburg, Maryland.