Changes to Counties or County Equivalent Entities: 2000s
New Counties or County Equivalent Entities
- Hoonah-Angoon Census Area, Alaska (02-105):
Created from the remainder of the former Skagway-Hoonah-Angoon Census Area (02-232) when the new Skagway Municipality (02-230) was created effective June 20, 2007; population: 2,574.
- Petersburg Census Area, Alaska (02-195):
Created from the remainder of the former Wrangell-Petersburg Census Area (02-280) when the new Wrangell City and Borough was created effective June 1, 2008; estimated population: 4,260.
- Prince of Wales-Hyder Census Area, Alaska (02-198):
Created from the remainder of the former Prince of Wales-Outer Ketchikan Census Area (02-201) after part (Outer Ketchikan area) was annexed by Ketchikan Gateway Borough (02-130) effective May 19, 2008, and part (Meyers Chuck area) included in the new Wrangell City and Borough effective June 1, 2008; estimated population: 6,115.
- Skagway Municipality, Alaska (02-230):
Created from part of the former Skagway-Hoonah-Angoon Census Area (02-232) effective June 20, 2007; boundaries are identical to Skagway census subarea; population: 862. The remainder of the former Skagway-Hoonah-Angoon Census Area was established as the new Hoonah-Angoon Census Area (02-105).
- Wrangell City and Borough, Alaska (02-275):
Created from part of the former Wrangell-Petersburg Census Area (02-280) and part of Prince of Wales-Outer Ketchikan Census Area (02-201) (Meyers Chuck area) effective June 1, 2008; estimated population: 2,448. The remainder of the former Wrangell-Petersburg Census Area was established as the new Petersburg Census Area (02-195) effective June 1, 2008.
- Broomfield County, Colorado (08-014):
Created from parts of Adams (08-001), Boulder (08-013), Jefferson (08-059), and Weld (08-123) counties effective November 15, 2001. The boundaries of Broomfield County reflect the boundaries of Broomfield city legally in effect on that date; estimated population: 39,177.
Deleted Counties or County Equivalent Entities
- Prince of Wales-Outer Ketchikan Census Area, Alaska (02-201):
Part (Outer Ketchikan area) annexed by Ketchikan Gateway Borough (02-130) and part (Meyers Chuck area) included in new Wrangell City and Borough (02-275), remainder renamed Prince of Wales-Hyder Census Area (02-198) effective May 19, 2008.
- Skagway-Hoonah-Angoon Census Area, Alaska (02-232):
Split to create Skagway Municipality (02-230) and Hoonah-Angoon Census Area (02-105), effective June 20, 2007.
- Wrangell-Petersburg Census Area, Alaska (02-280):
Split to create part of Wrangell City and Borough (02-275) and all of Petersburg Census Area (02-195), effective June 1, 2008.
- Clifton Forge (independent) city, Virginia (51-560):
Changed to town status and added to Alleghany County (51-005) effective July 1, 2001.
Name and/or Code Changes or Corrections for Counties or County Equivalent Entities
- LaSalle County, Illinois (17-099);
Name corrected from La Salle County (removing space).
- Doña Ana County, New Mexico (35-013):
Name corrected from Dona Ana County (added tilde).
Substantial County or County Equivalent Boundary Changes
- Ketchikan Gateway Borough, Alaska (02-130):
Annexed a substantial portion of the former Prince of Wales-Outer Ketchikan Census Area (02-201), including most of the area known as Outer Ketchikan effective May 19, 2008; estimated added population: 7. As a result, the remaining area of the former Prince of Wales-Outer Ketchikan Census Area was renamed Prince of Wales-Hyder Census Area (02-198).
- Adams County, Colorado (08-001):
Part taken to create new Broomfield County (08-014) effective November 15, 2001; estimated detached population: 15,870.
- Boulder County, Colorado (08-013):
Part taken to create new Broomfield County (08-014) effective November 15, 2001; estimated detached population: 21,512.
- Jefferson County, Colorado (08-059):
Part taken to create new Broomfield County (08-014) effective November 15, 2001; estimated detached population: 1,726.
- Weld County, Colorado (08-123):
Part taken to create new Broomfield County (08-014) effective November 15, 2001; estimated detached population: 69.
- Alleghany County, Virginia (51-005):
Added the former independent city of Clifton Forge (51-560) effective July 1, 2001; estimated added population: 4,289.
- York County, Virginia (51-199):
Exchanged territory with Newport News (independent) city (51-700) effective July 1, 2007; estimated net detached population: 293.
- Newport News (independent) city, Virginia (51-700):
Exchanged territory with York County (51-199) effective July 1, 2007; estimated net added population: 293.