We will be updating our data to reflect 2022 Census boundaries starting the week of December 12, 2022.
The US Census has released new and updated boundaries and names for several counties and county equivalents in the 2022 Census boundary data. Detailed information on the significant change in Connecticut counties is available from the Census Bureau: https://www.federalregister.gov/documents/2022/06/06/2022-12063/change-to-county-equivalents-in-the-state-of-connecticut.
More information on county changes over time is available at https://www.census.gov/programs-surveys/geography/technical-documentation/county-changes.2020.html
What is changing:
The following county-equivalents are being added:
GeoID |
State |
County |
02063 |
AK |
Chugach Census Area |
02066 |
AK |
Copper River Census Area |
02158 |
AK |
Kusilvak Census Area |
09110 |
CT |
Capitol Planning Region |
09120 |
CT |
Greater Bridgeport Planning Region |
09130 |
CT |
Lower Connecticut River Valley Planning Region |
09140 |
CT |
Naugatuck Valley Planning Region |
09150 |
CT |
Northeastern Connecticut Planning Region |
09160 |
CT |
Northwest Hills Planning Region |
09170 |
CT |
South Central Connecticut Planning Region |
09180 |
CT |
Southeastern Connecticut Planning Region |
09190 |
CT |
Western Connecticut Planning Region |
Replacing these county-equivalents:
GeoID |
State |
County |
02261 |
AK |
Valdez-Cordova Census Area |
02270 |
AK |
Wade Hampton Census Area |
09001 |
CT |
Fairfield |
09003 |
CT |
Hartford |
09005 |
CT |
Litchfield |
09007 |
CT |
Middlesex |
09009 |
CT |
New Haven |
09011 |
CT |
New London |
09013 |
CT |
Tolland |
09015 |
CT |
Windham |