County index

Browse by county

223 counties live across 51 states. County-level data anchors property tax, deed records, and the EPA Map of Radon Zones.

Alabama
- AL
  Jefferson County
  2 ZIP codes
- AL
  Lee County (AL)
  1 ZIP code
- AL
  Montgomery County
  1 ZIP code
Alaska
- AK
  Anchorage Municipality
  2 ZIP codes
- AK
  Fairbanks North Star Borough
  2 ZIP codes
- AK
  Juneau City and Borough
  1 ZIP code
Arizona
- AZ
  Coconino County
  1 ZIP code
- AZ
  Maricopa County
  2 ZIP codes
- AZ
  Pima County
  1 ZIP code
Arkansas
- AR
  Pulaski County
  2 ZIP codes
- AR
  Washington County (AR)
  2 ZIP codes
California
- CA
  Alameda County
  3 ZIP codes
- CA
  Fresno County
  1 ZIP code
- CA
  Los Angeles County
  6 ZIP codes
- CA
  Marin County
  2 ZIP codes
- CA
  Monterey County
  1 ZIP code
- CA
  Orange County
  2 ZIP codes
- CA
  Sacramento County
  2 ZIP codes
- CA
  San Diego County
  2 ZIP codes
- CA
  San Francisco County
  3 ZIP codes
- CA
  San Mateo County
  1 ZIP code
- CA
  Santa Barbara County
  1 ZIP code
- CA
  Santa Clara County
  4 ZIP codes
- CA
  Santa Cruz County
  1 ZIP code
Colorado
- CO
  Boulder County
  1 ZIP code
- CO
  Denver County
  3 ZIP codes
- CO
  La Plata County
  1 ZIP code
- CO
  Larimer County
  1 ZIP code
- CO
  Pitkin County
  1 ZIP code
- CO
  Summit County (CO)
  1 ZIP code
Connecticut
- CT
  Fairfield County
  2 ZIP codes
- CT
  Hartford County
  2 ZIP codes
- CT
  Litchfield County
  1 ZIP code
- CT
  New Haven County
  1 ZIP code
Delaware
- DE
  New Castle County
  3 ZIP codes
- DE
  Sussex County (DE)
  1 ZIP code
District of Columbia
- DC
  District of Columbia
  2 ZIP codes
Florida
- FL
  Alachua County
  1 ZIP code
- FL
  Broward County
  2 ZIP codes
- FL
  Collier County
  1 ZIP code
- FL
  Duval County
  2 ZIP codes
- FL
  Escambia County
  1 ZIP code
- FL
  Hillsborough County
  4 ZIP codes
- FL
  Lee County (FL)
  1 ZIP code
- FL
  Leon County
  1 ZIP code
- FL
  Miami-Dade County
  3 ZIP codes
- FL
  Monroe County
  1 ZIP code
- FL
  Orange County
  2 ZIP codes
- FL
  Palm Beach County
  3 ZIP codes
- FL
  Pinellas County
  1 ZIP code
- FL
  Sarasota County
  1 ZIP code
- FL
  St. Johns County
  1 ZIP code
- FL
  Volusia County
  1 ZIP code
Georgia
- GA
  Chatham County (GA)
  1 ZIP code
- GA
  Clarke County (GA)
  1 ZIP code
- GA
  Fulton County
  3 ZIP codes
- GA
  Glynn County
  1 ZIP code
- GA
  Gwinnett County
  1 ZIP code
Hawaii
- HI
  Hawaii County
  1 ZIP code
- HI
  Honolulu County
  1 ZIP code
- HI
  Kauai County
  1 ZIP code
- HI
  Maui County
  2 ZIP codes
Idaho
- ID
  Ada County
  2 ZIP codes
- ID
  Kootenai County
  1 ZIP code
Illinois
- IL
  Champaign County
  1 ZIP code
- IL
  Cook County
  5 ZIP codes
- IL
  DuPage County
  1 ZIP code
- IL
  Peoria County
  1 ZIP code
Indiana
- IN
  Hamilton County (IN)
  1 ZIP code
- IN
  Marion County
  1 ZIP code
- IN
  Monroe County (IN)
  1 ZIP code
- IN
  Tippecanoe County
  1 ZIP code
Iowa
- IA
  Johnson County (IA)
  1 ZIP code
- IA
  Polk County
  2 ZIP codes
Kansas
- KS
  Johnson County (KS)
  1 ZIP code
- KS
  Sedgwick County (KS)
  1 ZIP code
- KS
  Shawnee County
  1 ZIP code
Kentucky
- KY
  Fayette County
  2 ZIP codes
- KY
  Jefferson County
  1 ZIP code
Louisiana
- LA
  East Baton Rouge Parish
  1 ZIP code
- LA
  Jefferson Parish
  1 ZIP code
- LA
  Orleans Parish
  2 ZIP codes
Maine
- ME
  Androscoggin County
  1 ZIP code
- ME
  Cumberland County
  1 ZIP code
- ME
  Penobscot County
  1 ZIP code
Maryland
- MD
  Anne Arundel County
  1 ZIP code
- MD
  Baltimore (city)
  1 ZIP code
- MD
  Baltimore City
  1 ZIP code
- MD
  Montgomery County (MD)
  2 ZIP codes
Massachusetts
- MA
  Barnstable County
  1 ZIP code
- MA
  Hampshire County
  2 ZIP codes
- MA
  Middlesex County
  3 ZIP codes
- MA
  Suffolk County
  1 ZIP code
- MA
  Worcester County (MA)
  1 ZIP code
Michigan
- MI
  Ingham County
  2 ZIP codes
- MI
  Kent County (MI)
  1 ZIP code
- MI
  Washtenaw County
  1 ZIP code
- MI
  Wayne County
  2 ZIP codes
Minnesota
- MN
  Hennepin County
  1 ZIP code
- MN
  Ramsey County (MN)
  1 ZIP code
- MN
  St. Louis County (MN)
  1 ZIP code
Mississippi
- MS
  Harrison County (MS)
  2 ZIP codes
- MS
  Hinds County
  1 ZIP code
- MS
  Lafayette County (MS)
  1 ZIP code
Missouri
- MO
  Boone County (MO)
  1 ZIP code
- MO
  Jackson County
  1 ZIP code
- MO
  St. Louis (city)
  1 ZIP code
Montana
- MT
  Flathead County
  1 ZIP code
- MT
  Gallatin County
  2 ZIP codes
- MT
  Lewis and Clark County
  1 ZIP code
- MT
  Missoula County
  1 ZIP code
- MT
  Yellowstone County
  1 ZIP code
Nebraska
- NE
  Douglas County
  2 ZIP codes
- NE
  Lancaster County (NE)
  1 ZIP code
Nevada
- NV
  Carson City
  1 ZIP code
- NV
  Clark County
  1 ZIP code
- NV
  Washoe County
  2 ZIP codes
New Hampshire
- NH
  Hillsborough County (NH)
  1 ZIP code
- NH
  Merrimack County
  1 ZIP code
- NH
  Rockingham County (NH)
  1 ZIP code
New Jersey
- NJ
  Bergen County
  2 ZIP codes
- NJ
  Essex County
  1 ZIP code
- NJ
  Hudson County
  2 ZIP codes
- NJ
  Mercer County
  1 ZIP code
- NJ
  Middlesex County (NJ)
  2 ZIP codes
New Mexico
- NM
  Bernalillo County
  1 ZIP code
- NM
  Los Alamos County
  1 ZIP code
- NM
  Santa Fe County
  1 ZIP code
New York
- NY
  Albany County
  2 ZIP codes
- NY
  Broome County
  1 ZIP code
- NY
  Dutchess County
  1 ZIP code
- NY
  Erie County
  1 ZIP code
- NY
  Kings County
  2 ZIP codes
- NY
  Monroe County
  3 ZIP codes
- NY
  Nassau County
  1 ZIP code
- NY
  New York County
  2 ZIP codes
- NY
  Onondaga County
  2 ZIP codes
- NY
  Queens County
  2 ZIP codes
- NY
  Rensselaer County
  1 ZIP code
- NY
  Suffolk County (NY)
  2 ZIP codes
- NY
  Tompkins County
  1 ZIP code
- NY
  Westchester County
  5 ZIP codes
North Carolina
- NC
  Buncombe County
  3 ZIP codes
- NC
  Chatham County (NC)
  1 ZIP code
- NC
  Durham County
  1 ZIP code
- NC
  Guilford County
  2 ZIP codes
- NC
  Mecklenburg County
  3 ZIP codes
- NC
  New Hanover County
  1 ZIP code
- NC
  Orange County (NC)
  1 ZIP code
- NC
  Wake County
  2 ZIP codes
North Dakota
- ND
  Burleigh County
  1 ZIP code
- ND
  Cass County
  2 ZIP codes
Ohio
- OH
  Cuyahoga County
  3 ZIP codes
- OH
  Franklin County
  2 ZIP codes
- OH
  Hamilton County
  2 ZIP codes
Oklahoma
- OK
  Oklahoma County
  1 ZIP code
- OK
  Tulsa County
  2 ZIP codes
Oregon
- OR
  Deschutes County
  1 ZIP code
- OR
  Jackson County (OR)
  1 ZIP code
- OR
  Lane County
  1 ZIP code
- OR
  Multnomah County
  3 ZIP codes
Pennsylvania
- PA
  Allegheny County
  2 ZIP codes
- PA
  Berks County
  1 ZIP code
- PA
  Centre County
  1 ZIP code
- PA
  Cumberland County (PA)
  1 ZIP code
- PA
  Dauphin County
  2 ZIP codes
- PA
  Lehigh County
  1 ZIP code
- PA
  Philadelphia County
  1 ZIP code
- PA
  Westmoreland County (PA)
  1 ZIP code
Rhode Island
- RI
  Providence County
  3 ZIP codes
South Carolina
- SC
  Beaufort County
  1 ZIP code
- SC
  Charleston County
  3 ZIP codes
- SC
  Greenville County
  2 ZIP codes
- SC
  Richland County
  1 ZIP code
South Dakota
- SD
  Minnehaha County
  2 ZIP codes
- SD
  Pennington County
  1 ZIP code
Tennessee
- TN
  Davidson County
  2 ZIP codes
- TN
  Knox County
  1 ZIP code
- TN
  Shelby County
  2 ZIP codes
- TN
  Williamson County
  2 ZIP codes
Texas
- TX
  Bexar County
  2 ZIP codes
- TX
  Collin County
  1 ZIP code
- TX
  Comal County
  1 ZIP code
- TX
  Dallas County
  2 ZIP codes
- TX
  El Paso County
  1 ZIP code
- TX
  Galveston County
  1 ZIP code
- TX
  Harris County
  2 ZIP codes
- TX
  Montgomery County (TX)
  1 ZIP code
- TX
  Nueces County
  1 ZIP code
- TX
  Smith County (TX)
  1 ZIP code
- TX
  Tarrant County
  3 ZIP codes
- TX
  Travis County
  4 ZIP codes
Utah
- UT
  Salt Lake County
  3 ZIP codes
- UT
  Summit County (UT)
  1 ZIP code
- UT
  Washington County (UT)
  1 ZIP code
Vermont
- VT
  Addison County
  1 ZIP code
- VT
  Chittenden County
  1 ZIP code
- VT
  Washington County (VT)
  1 ZIP code
Virginia
- VA
  Alexandria (city)
  1 ZIP code
- VA
  Alexandria city
  1 ZIP code
- VA
  Arlington County
  1 ZIP code
- VA
  Fairfax County
  2 ZIP codes
- VA
  James City County
  1 ZIP code
- VA
  Norfolk City
  1 ZIP code
- VA
  Richmond (city)
  1 ZIP code
- VA
  Virginia Beach (city)
  1 ZIP code
- VA
  Virginia Beach city
  1 ZIP code
Washington
- WA
  Clark County
  1 ZIP code
- WA
  King County
  6 ZIP codes
- WA
  Spokane County
  1 ZIP code
- WA
  Whatcom County
  1 ZIP code
West Virginia
- WV
  Berkeley County (WV)
  1 ZIP code
- WV
  Harrison County (WV)
  1 ZIP code
- WV
  Kanawha County
  1 ZIP code
- WV
  Wood County (WV)
  1 ZIP code
Wisconsin
- WI
  Dane County
  2 ZIP codes
- WI
  Milwaukee County
  1 ZIP code
- WI
  Portage County
  1 ZIP code
Wyoming
- WY
  Albany County (WY)
  1 ZIP code
- WY
  Laramie County
  1 ZIP code
- WY
  Park County (WY)
  1 ZIP code
- WY
  Sheridan County
  1 ZIP code
- WY
  Teton County (WY)
  1 ZIP code

Alabama

Alaska

Arizona

Arkansas

California

Colorado

Connecticut

Delaware

District of Columbia

Florida

Georgia

Hawaii

Idaho

Illinois

Indiana

Iowa

Kansas

Kentucky

Louisiana

Maine

Maryland

Massachusetts

Michigan

Minnesota

Mississippi

Missouri

Montana

Nebraska

Nevada

New Hampshire

New Jersey

New Mexico

New York

North Carolina

North Dakota

Ohio

Oklahoma

Oregon

Pennsylvania

Rhode Island

South Carolina

South Dakota

Tennessee

Texas

Utah

Vermont

Virginia

Washington

West Virginia

Wisconsin

Wyoming