
Gaithersburg Latitude Observatory · National Register of Historic Places
Gaithersburg’s story
261 years in pictures
Gaithersburg Latitude Observatory is a National Historic Landmark, the National Register’s top tier.
Census counts: 547 in 1900, 69,657 in 2020. The archive holds 11 old photos and papers going back to 1878 and 6 maps from 1908 on.
5 places on the National Register of Historic Places.
- 1765Gaithersburg is settled
Explore the history →
Getting set upMoving to Gaithersburg: who provides what
Who provides power, water and the rest in Gaithersburg, and how to reach them.
The full setup list →EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Mar 11, 2026.
Questions about Gaithersburg
Short answers, built from the data on this page.
Is Gaithersburg, MD a good place to live?
For most people who can afford it, yes. Gaithersburg grades A− overall, better than 79% of U.S. towns and #91 of 259 in Maryland. It grades A for health, C+ for safety and B+ for schools. Cost of living is its weak spot, with a C−.
Is Gaithersburg, MD safe?
Within Maryland, it does better than 71% of towns.
Is Gaithersburg, MD expensive?
Yes. Cost of living, which also weighs rents, property taxes and how many households pay 30% or more of their income for housing, grades C−.
What is Gaithersburg, MD known for?
17 notable people were born here, including Shane McMahon and Jessica Watkins.