Washington URL: https://knowledge.ivjn.us/en/places/dc-washington.html Washington is a city in District of Columbia, United States. ## Overview Washington is a city in [District of Columbia](https://knowledge.ivjn.us/en/places/district-of-columbia.html), United States, with a population of about 689,545[^geonames]. ## Geography - Coordinates: 38.8951, -77.0364 Updated: 2026-10-29 Sources: - GeoNames US dataset (US.txt / admin2Codes.txt) https://download.geonames.org/export/dump/US.zip