List of Data Portals (U.S.)
| Country | Portal Name | Division | License | Description |
|---|---|---|---|---|
| United States | Alameda County | County | Public | Alameda County Data Sharing Initative |
| United States | Alameda, CA | County | Public | Alameda County, CA Open Data |
| United States | Alburquerque | City | Public | Alburquerque, NM Open Data |
| United States | Amazon Public Datasets | Private | Amazon Public Datasets | |
| United States | Ann Arbor | City | Public | Ann Arbor, MI Open Data |
| United States | Arizona | State:Arizona | Public | Arizona Open Data |
| United States | Arvada | City | Public | Arvada, CO Open Data |
| United States | Asheville, NC | City | Public | Asheville, NC Open Data |
| United States | Atlanta | City | Public | Atlanta, GA Open Data |
| United States | Austin | City | Public | Austin, TX Open Data |
| United States | Baltimore | City | Public | Baltimore, MD Open Data |
| United States | Baton Rouge, LA | City | Public | Baton Rouge, LA Open Data |
| United States | Belleville | City | Public | Belleville, IL Open Data |
| United States | Berkeley, CA | City | Berkeley, CA | |
| United States | Boston | City | Public | Boston, MA Open Data |
| United States | Boulder | City | Public | Boulder, CO Open Data |
| United States | Boulder County, CO | County | Boulder County, CO - Maps & Data | |
| United States | Buffalo, NY | City | Public | Buffalo Open Data |
| United States | Burlington, VT | City | Public | Burlington, VT Open Data |
| United States | California | State:California | Public | California Open Data |
| United States | California Common Sense | State:California | Public | California Open Data |
| United States | Cambridge | City | Public | Cambridge, MA Open Data |
| United States | Cambridge, MA | City | Public | Cambridge, MA Open Data |
| United States | Champaign | City | Public | Champaign, IL Open Data |
| United States | Charleston | City | Public | Charleston, SC Open Data |
| United States | Charlotte, NC | City | Public | Charlotte, NC Open Data |
| United States | Chattanooga, TN | City | Chattanooga, TN | |
| United States | Chicago | City | Public | Chicago, IL Open Data |
| United States | Cincinnati | City | Public | Cincinnati, OH Open Data |
| United States | CivicApps | City | Public | Portland, OR Open Data |
| United States | CKAN | Private | Public | CKAN Open Source portal for Open Data |
| United States | Colorado | State:Colorado | Public | Colorado Open Data |
| United States | Connecticut | State:Connecticut | Public | Connecticut Open Data |
| United States | Cook, IL | County | Public | Cook County, IL Open Data |
| United States | CT DATA | NGO | Connecticut Data Collaborative | |
| United States | CTA | City | Public | Chicago Transit Authority Open Data |
| United States | D3 | City | Data Driven Detroit | |
| United States | Dallas | City | Public | Dallas, TX Open Data |
| United States | Data Market | Private | Purchase | Data Market Open portal to Datasets |
| United States | Data Michigan | State:Michigan | Public | Michigan Open Data |
| United States | Data Montana | State:Montana | Public | Montana Open Data |
| United States | Data.ct | State:Connecticut | Public | Connecticut Open Data |
| United States | Data.Gov | Federal | Public | US Government Open Data |
| United States | Data.nj | State:New Jersey | Public | New Jersey Open Data |
| United States | De Leon | City | Public | De Leon, TX Open Data |
| United States | Delaware | State:Delaware | Public | Delaware Open Data |
| United States | Denton, TX | City | Public | Denton, TX Open Data |
| United States | Denver, CO | City | Public | Denver, CO Open Data |
| United States | Fort Worth, TX | City | Fort Worth, TX Open Data | |
| United States | Gainesville | City | Public | Gainsville, FL Open Data |
| United States | Gilpin | County | Public | Gilpin County, CO Open Data |
| United States | Grand Rapids, MI | City | Public | Grand Rapids, MI Open Data |
| United States | Greater Portland | City | Greater Portland - Regional Data | |
| United States | Hamilton, CA | City | Public | Hamilton, CA Open Data |
| United States | Hampton Roads, VA | City | CC0 | Open Hampton Roads |
| United States | Hartford Data | City | Public | Hartford, CT |
| United States | Hawaii | State:Hawaii | Public | Hawaii Open Data |
| United States | Honolulu | City | Public | Honolulu, HI Open Data |
| United States | Honolulu, HI | County | Public | Honolulu County, HI Open Data |
| United States | Houston, TX | City | Public | Houston, TX Open Data |
| United States | ICPSR | Academic | Inter-university Consortium for Political and Social Research (ICPSR) | |
| United States | Illinois | State:Illinois | Public | Illinois Open Data |
| United States | Iowa | State:Iowa | Public | Iowa Open Data |
| United States | Jersey City, NJ | City | Jersey City, NJ Data Portal | |
| United States | Kansas City | City | Public | Kansas City, MO Open Data |
| United States | KanView | State:Kansas | Public | Kansas Department of Administration |
| United States | King, WA | County | Public | King County, WA Open Data |
| United States | LA Times DataDesk | Private | Public | LA Times - DataDesk for Los Angeles County |
| United States | Las Vegas | City | Public | Las Vegas, NV Open Data |
| United States | Lexington | City | Public | Lexington, KY Open Data |
| United States | Los Angeles | City | Public | Los Angeles, CA Open Data |
| United States | Louisiana Transparency & Accountability | State:Louisiana | Public | Louisiana, Dept of Admininistration |
| United States | Louisville, KY | City | Public | Louisville, KY Open Data |
| United States | Madison County, NY | County | CC 3.0 | Madison County, NY - Central New York Vitals |
| United States | Madison, WI | City | Public | Madison, WI Open Data |
| United States | Maine | State:Maine | Public | Maine Open Data |
| United States | Maine Transparency | State:Maine | Public | Maine Open Data |
| United States | MAPC | City | Public | Boston Metropolitan Area Planning Commission - Data Services |
| United States | MARCQ | Region | Mid-Atlantic Ocean Data Portal | |
| United States | Maryland | State:Maryland | Public | Maryland Open Data |
| United States | Massachucetts | State:Massachuetts | Public | Massachuetts Open Data |
| United States | Massachusetts Taxes | State:Massachuetts | Public | Massachusetts Open Data |
| United States | MCC | Federal | Public | Millennium Challenge - Open Data Catalog |
| United States | MD iMap | State:Maryland | Maryland iMap | |
| United States | Metro Boston | City | Public | Metro Boston Open Data |
| United States | Metro Chicago | City | Public | Chicago, IL Open Data |
| United States | Metro Council | Region | Public | Twin Cities Metropolitan Region, MN |
| United States | Miami-Dade County, FL | County | Miami-Dade County, FL - Public Data | |
| United States | Michigan | State:Michigan | Public | Michigan DataStore |
| United States | Minneapolis, MN | City | CC 4.0 BY-SA | Open Data Minneapolis |
| United States | Minnesota Open Data | State:Minnesota | Public | Minnesota Open Data |
| United States | Missouri | State:Missouri | Public | Missouri Open Data |
| United States | Montana Data Portal | State:Montana | Montana Data Portal | |
| United States | Montgomery, MD | County | Public | Montgomery County, MD Open Data |
| United States | NC Open Book | State:North Carolina | Public | North Carolina Transparency |
| United States | Nebraska | State:Nebraska | Public | Nebraska Open Data |
| United States | Nevada | State:Nevada | Public | Nevada Open Data |
| United States | New Haven, CT | City | Greater New Haven Data Portal | |
| United States | New Orleans | City | Public | New Orleans, LA Open Data |
| United States | New York | City | Public | New York City, NY Open Data |
| United States | New York | State:New York | Public | New York Open Data |
| United States | Newark, NJ | City | Public | Newark, NJ Open Data |
| United States | NH OpenGov | State:New Hampshire | Public | New Hampshire Open Data |
| United States | njgin | State:New Jersey | Public | New Jersey Geographic Information Network |
| United States | Norfolk, VA | City | Public | Norfolk, VA Open Data |
| United States | Northeast Ocean Data | Region | Northeast Ocean Data | |
| United States | O Houston | City | Houston Data Portal | |
| United States | Oakland, CA | City | Public | Oakland, CA Open Data |
| United States | Oklahoma | State:Oklahoma | Public | Oklahoma Open Data |
| United States | Oklahoma City, OK | City | Public | Oklahoma City, OK |
| United States | Onondaga County, NY | County | CC 3.0 | Onondaga County, NY - Central New York Vitals |
| United States | Open Ag | NGO | Open Ag Data Alliance (Data Standards for Farmers) | |
| United States | Open Alabama | State:Alabama | Public | Alabama Open Data |
| United States | Open Colorado | State:Colorado | CC3.0 | Colorado Open Data |
| United States | Open Data Philly | City | Public | Philadelphia, PA Open Data |
| United States | Open Georgia | State:Georgia | Public | Georgia Open Data |
| United States | Open Oakland | City | Public | Oakland, CA Open Data |
| United States | Open SD | State:South Dakota | Public | South Dakota Open Data |
| United States | OpenData DC | District:Washington, DC | Public | Washington, DC Open Data |
| United States | OpenGeoCode.Org | Private | Public | OpenGeoCode Data Portal and Aggregated Datasets |
| United States | OpenPGC | County | Attribution/Disclaimer | Prince George's County, MD - OpenPGC |
| United States | Oregon | State:Oregon | Public | Oregon Open Data |
| United States | Oregon Explorer | State:Oregon | Oregon Spatial Data Library | |
| United States | OSDC | Private | Open Science Data Cloud Public Data | |
| United States | Palo Alto, CA | City | Public | Palo Alto, CA Open Data |
| United States | PennWATCH | State:Pennsylvania | Public | Pennsylvania Transparency |
| United States | Pitt County, NC | County | Public | Pitt County, NC - Public Data |
| United States | Providence, RI | City | Public | Providence, RI Open Data |
| United States | Raleigh, NC | City | Public | Raleigh, NC Open Data |
| United States | Redmond, WA | City | Attribution/Disclaimer | Redmond, WA open data |
| United States | Regina, CA | City | Public | Regina, CA Open Data |
| United States | Reno, NV | City | Public | Open Reno |
| United States | Rhode Island | State:Rhode Island | Public | Rhode Island Open Data |
| United States | Riverside, CA | City | Riverside, CA Open Data | |
| United States | Rockford, IL | City | Public | Rockford, IL Open Data |
| United States | Sacramento | City | Public | Sacramento, CA Open Data |
| United States | Salt Lake City | City | Public | Salt Lake City, UT Open Data |
| United States | San Diego | City | Public | San Diego Open Data |
| United States | San Diego Apps Challenge | City | Public | San Diego, CA Apps Challenge |
| United States | San Jose | City | Public | San Jose, CA Open Data |
| United States | San Mateo, CA | County | Public | San Mateo County, CA Open Data |
| United States | Santa Cruz | City | Public | Santa Cruz, CA Open Data |
| United States | Santa Monica, CA | City | Santa Monica, CA Data Portal | |
| United States | Scottsdale | City | Public | Scottsdale, AZ Open Data |
| United States | Seattle | City | Public | Seattle, WA Open Data |
| United States | SFgov.org | City | Public | San Francisco, CA Open Data |
| United States | Socrata | Private | Public | Socrata Open Source portal for Data |
| United States | Somerville, MA | City | Public | Somerville, MA Open Data |
| United States | South Bend, IN | City | Public | South Bend, IN Open Data |
| United States | SSA | Federal | Public | Social Security Administration Open Data |
| United States | St. Louis, MO | City | Public | St. Louis, MO Open Data |
| United States | Summit County, OH | Private | Summit County, OH Code for America Brigade Open Data | |
| United States | Sunshine portal NM | State:New Mexico | Public | New Mexico Transparency |
| United States | Texas | State:Texas | Public | Texas Open Data |
| United States | Transparency Arkansas | State:Arizona | Public | Arkansas Transparency |
| United States | Transparency Mississippi | State:Mississippi | Public | Mississippi Transparency |
| United States | Transparent New Jersey | State:New Jersey | Public | New Jersey Transparency |
| United States | Transparent NH | State:New Hampshire | Public | New Hampshire Transparency |
| United States | Transparent OH | State:Ohio | Public | Ohio Transparency |
| United States | Transparent Oregon | State:Oregon | Public | Oregon Transparency |
| United States | Transparent Rhode Island | State:Rhode Island | Public | Rhode Island Transparency |
| United States | Transparent SC | State:South Carolina | Public | South Carolina Transparency |
| United States | Transparent Tennessee | State:Tennessee | Public | Tennessee Transparency |
| United States | Transparent WV | State:West Virginia | Public | West Virginia Transparency |
| United States | Tulsa | City | Public | Tulsa, OK Open Data |
| United States | Utah | State:Utah | Public | Utah Open Data |
| United States | Virginia | State:Virginia | Public | Virginia Open Data |
| United States | Virginia Beach | City | Public | Virginia Beach Open Data |
| United States | Virginia.Gov | State:Virginia | Public | Data.Virginia.Gov |
| United States | Wake, NC | County | Public | Wake County, NC Open Data |
| United States | Washington | State:Washington | Public | Washington Open Data |
| United States | Washington, DC | District:Washington, DC | Public | Washington, DC Open Data |
| United States | Weatherford, TX | City | Public | Weatherford, TX Open Data |
| United States | Wellington, FL | City | Public | Wellington, FL Open Data |
| United States | Williamsburg | City | Public | Williamsburg, VA Open Data |