| City of Gaithersburg | Census 2000 | Census 2010 | Census 2020 |
|---|---|---|---|
| White | 30,625 58.2% |
30,469 50.8% |
24,271 34.8% |
| Black / African American | 7,680 14.6% |
9,752 16.3% |
11,533 16.6% |
| American Indian / Alaska Native | 188 0.4% |
272 0.5% |
644 0.9% |
| Asian | 7,241 13.8% |
10,145 16.9% |
13,305 19.1% |
| Native Hawaiian / Pacific Islander | 33 0.1% |
34 0.1% |
83 0.1% |
| Other Race | 4,535 8.6% |
6,404 10.7% |
11,906 17.1% |
| Multiple Races | 2,311 4.4% |
2,857 4.8% |
7,915 11.4% |
| Total Population | 52,613 | 59,933 | 69,657 |
| City of Gaithersburg | Census 2000 | Census 2010 | Census 2020 |
|---|---|---|---|
| Hispanic / Latine* of any Race |
10,398 19.8% |
14,499 24.2% |
19,834 28.5% |
| White, Not Hispanic / Latine |
25,818 49.1% |
23,961 40% |
21,970 31.5% |
| Black / African American, Not Hispanic / Latine |
7,457 14.2% |
9,307 15.5% |
11,193 16.1% |
| American Indian / Alaska Native, Not Hispanic / Latine |
131 0.2% |
129 0.2% |
108 0.2% |
| Asian, Not Hispanic / Latine |
7,205 13.7% |
10,099 16.9% |
13,202 19.0% |
| Native Hawaiian / Pacific Islander, Not Hispanic / Latine |
33 0.1% |
28 0% |
62 0.1% |
| Other Race, Not Hispanic / Latine |
170 0.3% |
227 0.4% |
623 0.9% |
| Multiple Races, Not Hispanic / Latine | 1,401 2.7% |
1,683 2.8% |
2,665 3.8% |
| City of Gaithersburg | Census 2000 | Census 2010 | Census 2020 |
|---|---|---|---|
| Male | 25,647 48.7% |
29,145 48.6% |
33,509 48.1% |
| Female | 26,966 51.3% |
30,788 51.4% |
36,148 51.9% |
| Under 5 years | 4,312 8.2% |
4,962 8.3% |
4,540 6.5% |
| 5 to 17 years | 8,852 16.8% |
9,529 15.9% |
11,728 16.8% |
| 18 years old & older | 39,449 75% |
45,442 75.8% |
53,389 76.6% |
| 18 to 34 years | 14,671 27.9% |
15,410 25.7% |
16,533 23.7% |
| 35 to 64 years | 20,438 38.8% |
24,349 40.6% |
27,731 39.8% |
| 65 years & over | 4,340 8.2% |
5,683 9.5% |
9,125 13.1% |
| Median Age | 33.6 | 35.1 | 36.7 |
* Latine is an inclusive, non-Anglicized, gender-neutral term.