Natural background radiation. We are all exposed constantly to ionising radiation from a variety of natural and artificial sources. The sun is a major source of 'cosmic radiation'. Skiing at high altitudes and airline flights will increase our exposure to cosmic radiation.
Geneseo, NY City Data Geneseo, NY is a city with great restaurants, attractions, history and people. There are around 7,579 people who live in Geneseo and approximately 64,328 who live in Livingston County.
According to the most recent demographics data available from the Census Bureau released in December of 2017, Figure 1 Hudson County indicates it has 668,526 population which is the 5th in population out of 10 total in the area.