Washington County URL: https://knowledge.ivjn.us/en/places/ms-washington-county.html Washington County is a county of Mississippi, United States. ## Overview Washington County is a county of [Mississippi](https://knowledge.ivjn.us/en/places/mississippi.html), United States (FIPS ms151), with a population of about 45,063[^geonames]. ## Geography - Coordinates: 33.2837, -90.9475 - Time zone: America/Chicago Updated: 2026-10-29 Relations: - Located in: Mississippi https://knowledge.ivjn.us/en/places/mississippi.html - Contains places: Arcola https://knowledge.ivjn.us/en/places/ms-arcola.html - Contains places: Greenville https://knowledge.ivjn.us/en/places/ms-greenville.html - Contains places: Hollandale https://knowledge.ivjn.us/en/places/ms-hollandale.html - Contains places: Leland https://knowledge.ivjn.us/en/places/ms-leland.html - Contains places: Metcalfe https://knowledge.ivjn.us/en/places/ms-metcalfe.html Mentioned in: - Arcola https://knowledge.ivjn.us/en/places/ms-arcola.html - Greenville https://knowledge.ivjn.us/en/places/ms-greenville.html - Hollandale https://knowledge.ivjn.us/en/places/ms-hollandale.html - Leland https://knowledge.ivjn.us/en/places/ms-leland.html - Metcalfe https://knowledge.ivjn.us/en/places/ms-metcalfe.html Sources: - GeoNames US dataset (US.txt / admin2Codes.txt) https://download.geonames.org/export/dump/US.zip