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.
One Race Percent in Gurnee, IL At the time of the last census survey, the number of people of one race in Gurnee, IL was 28,190. White Population in Gurnee, IL The estimated White population in the Gurnee community is 23,679, which is 82.1 percent of the total population (The U.S. average is 75.10%). Black Population in Gurnee, Illinois The estimated Black/African American population is 1,459, which is 5.1 percent of the total population in town (The U.S. average is 12.30%). American Indian and Alaska Native Population in Gurnee, IL In 2000, the number of American Indians or Alaska Natives in Gurnee, IL was 52. Asian Population in Gurnee, Illinois At the last survey, the total Asian population in the community was 2,364.