Official starting points / the open-data field guide

Find your state’s data.

All 50 states and Washington, D.C. Some share maps. Some share spending. Some share many kinds of facts.

Explore by place

Pick a state.
Find a starting point.

Every state and D.C. is included. Some share broad catalogs. Others share maps, money records, or statistics.

Equal-size tile map. Locations are simplified. Use the list below for every link.

51 of 51 starting points

ALPublic money records

Alabama

See how the state takes in and spends public money.

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AKGIS and maps

Alaska

Find maps and facts about land, roads, and nature.

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COOpen data catalog

Colorado

Find public facts that help you learn about Colorado.

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DEOpen data catalog

Delaware

Find public facts about life and government in Delaware.

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GAPublic money records

Georgia

See state spending, contracts, and public pay records.

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HIOpen data catalog

Hawaii

Find public facts shared by Hawaii's government.

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IDGIS and maps

Idaho

Start here for Idaho's public maps and map data.

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ILOpen data catalog

Illinois

Find public facts about Illinois and its communities.

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INOpen data catalog

Indiana

Find public facts shared by Indiana agencies.

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Automated access was blocked. Try opening the portal directly.

IAOpen data catalog

Iowa

Find public facts about Iowa's people and government.

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KYPublic money records

Kentucky

See public spending and other state money records.

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Automated access was blocked. Try opening the portal directly.

MEGIS and maps

Maine

Find Maine maps and map data you can use.

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Automated access was blocked. Try opening the portal directly.

MDOpen data catalog

Maryland

Find public facts about Maryland's people and places.

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MOOpen data catalog

Missouri

Find public facts about Missouri's people and services.

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MTData access page

Montana

Start here for Montana data, maps, and public records.

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NEData access page

Nebraska

Start here to find Nebraska's public data resources.

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NVPublic money records

Nevada

See how Nevada collects and spends public money.

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NYOpen data catalog

New York

Find public facts about travel, health, jobs, and more.

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OHOpen data catalog

Ohio

Find public facts and reports about Ohio.

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Automated access could not be confirmed. Use the source link if the portal does not load.

OROpen data catalog

Oregon

Find public facts about Oregon's people and places.

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SCData access page

South Carolina

Find state facts, maps, and public money records.

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Automated access was blocked. Try opening the portal directly.

SDPublic money records

South Dakota

See state spending, contracts, and other money facts.

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Automated access could not be confirmed. Use the source link if the portal does not load.

TXOpen data catalog

Texas

Find public facts about Texas and its communities.

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VTOpen data catalog

Vermont

Find public facts shared by Vermont's government.

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VAOpen data catalog

Virginia

Find public facts about Virginia's people and services.

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Directory checked October 17, 2026. One starting point for all 50 states and D.C. Links may change. Inclusion is not endorsement. Check licenses, update dates, and download rules on each portal.

Before you download: stop and check.

  1. 01Read the date. Is the dataset current enough for your question?
  2. 02Read the description. What is counted, and what is missing?
  3. 03Read the rules. Public access does not always mean unlimited reuse.
  4. 04Save the source. Keep the link, license, and download date with your work.

Source: Data.gov official government portal directory ↗

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