The population development of Killingly as well as related information and services (Wikipedia, Google, images).
Source: U.S. Census Bureau (web).
Explanation: All population totals refer to 2020 census boundaries. In case of significant changes, they were recalculated by using census block data.
Further information about the population structure:
|Gender (C 2010)|
|Age Groups (C 2010)|
|Age Distribution (C 2010)|
|»Race« (C 2010)|
|2 or more||419|
|Ethnicity (C 2010)|
|Hispanic or Latino||516|