*Updated January 17, 2023
For a detailed map of Killingly, click here.
| Year Established: | 1708 |
| Population: | 17,742 |
| Utilities: | Northeast Utilities Yankee Gas Connecticut Water AT&T Private sewer |
| Government: | Council-Manager |
| Land Area: | 48.52 square miles |
| Schools: | https://www.killinglyschools.org/ |
| Hospitals: | |
| Churches: | |
| Recreation: | https://www.killingly.org/parks-recreation |
| Links: | https://www.killingly.org/ |
| Assessor’s Phone Number: | (860) 779-5323 |
| Assessor’s Email (Contact Form): | https://www.killingly.org/user/3971/contact |
| Valuation Method: | Fair Market Value |
| Percent Assessment: | |
| Mill Rate: | Killingly – 25.14Killingly-Danielson – 5.05 Attawaugan Fire District- 2.63 Dayville Fire District- 1.77 Dyer Manor Fire District -0.50 East Killingly Fire District- 1.80 Orient Heights Fire District – 0.64 South Killingly Fire District -2.19 Williamsville Fire District -2.10 |