Hudson is a city in Stafford County, Kansas, United States. As of the 2010 census, the city population was 129.
Hudson is located at 38°6′14″N 98°39′38″W / 38.10389°N 98.66056°W / 38.10389; -98.66056 (38.103897, -98.660474). According to the United States Census Bureau, the city has a total area of 0.1 square miles (0.3 km²), all of it land.
As of the census of 2000, there were 133 people, 59 households, and 41 families residing in the city. The population density was 1,000.3 people per square mile (395.0/km²). There were 68 housing units at an average density of 511.4 per square mile (202.0/km²). The racial makeup of the city was 97.74% White, and 2.26% from two or more races. Hispanic or Latino of any race were 1.50% of the population.