Long Island government dataset

What this covers

Elected officials

175

Verified officials

108

Political districts

72

Communities

291

Towns & cities

15

Source records

561

Geographic coverage: Nassau County, New York and Suffolk County, New York.

How records are verified

Records are matched to official government sources and marked verified only when the source confirms them. Where authoritative sources disagree, the record is marked conflicting and flagged for review rather than silently resolved. Unverified records are excluded from search indexing and from this API.

32 records currently flagged for human review.

Where the data comes from

Facts are sourced from official government data, preferring the body that publishes its own records. Where sources conflict, the higher authority tier wins and the disagreement is recorded rather than discarded.

• Municipal staff directories (CivicPlus)

  Tier 1 — the government body publishing its own records

  Long Island towns, villages and cities

  Each municipality publishing its own officeholders through its CivicPlus staff directory. Per-department views only; hand-enumerated departments with the offices each holds; names read from anchor text, never URL slugs.

  https://politicslongisland.com/sources/municipal-directories

• Nassau County Legislature district pages

  Tier 1 — the government body publishing its own records

  Nassau County, New York

  Official county per-district pages. Used instead of ArcGIS layers because the available Nassau layers are third-party owned and mutually inconsistent.

  https://www.nassaucountyny.gov/1719/County-Legislature

• U.S. House of Representatives Member Data

  Tier 1 — the government body publishing its own records

  Office of the Clerk, U.S. House of Representatives

  Official roster of sitting House members with district, party and DC office.

  https://clerk.house.gov/xml/lists/MemberData.xml

• Suffolk County Legislative Districts (GIS)

  Tier 1 — the government body publishing its own records

  Suffolk County, New York

  County-maintained ArcGIS feature service. Supplies sitting legislator, party, district office contact details and official profile URL for all 18 districts.

  https://gis.suffolkcountyny.gov/portal/home/item.html?id=LegislativeDistrict

• Suffolk County GIS legislative district boundaries

  Tier 1 — the government body publishing its own records

  Suffolk County, New York

  County legislative district containing each community, resolved by point-in-polygon against the county boundary service.

  https://gis.suffolkcountyny.gov/

• Suffolk County county-wide offices (GIS)

  Tier 1 — the government body publishing its own records

  Suffolk County, New York

  County-maintained ArcGIS layer carrying the County Executive, Comptroller, Clerk, District Attorney and Sheriff as attributes.

  https://gis.suffolkcountyny.gov/

• Town of Hempstead councilmanic districts (GIS)

  Tier 1 — the government body publishing its own records

  Town of Hempstead, New York

  Town-maintained ArcGIS layer with council member, official email and phone per councilmanic district. Service name pinned: three stale decoy layers exist.

  https://hempsteadny.gov/

• Biographical Directory of the United States Congress -- member portraits

  Tier 1 — the government body publishing its own records

  U.S. Congress

  Official portrait of each sitting member, keyed by Bioguide ID. A work of the U.S. government, so it carries no attribution obligation.

  https://bioguide.congress.gov/

• U.S. Senate Contact Information

  Tier 1 — the government body publishing its own records

  United States Senate

  Official roster of sitting senators with party, class, DC office and website.

  https://www.senate.gov/general/contact_information/senators_cfm.xml

• NYS Senate Districts (NYS GIS Program Office)

  Tier 2 — another official government body or Board of Elections

  New York State GIS Program Office

  Senator name, party, Albany and district phone, district office, official email.

  https://gis.ny.gov/

• NYS Assembly Districts (NYS GIS Program Office)

  Tier 2 — another official government body or Board of Elections

  New York State GIS Program Office

  Assembly member name, party, Albany and district phone, district office, official email.

  https://gis.ny.gov/

• Census TIGERweb Places + Census Geocoder

  Tier 2 — another official government body or Board of Elections

  U.S. Census Bureau

  Place boundaries and names from TIGERweb; county, town and legislative districts resolved per place via the Census Geocoder interior point. Free, no API key.

  https://tigerweb.geo.census.gov/tigerwebmain/TIGERweb_apps.html

• Wikimedia Commons file metadata

  Tier 4 — reputable secondary source

  Wikimedia Foundation

  Licence and author of a hosted file, resolved from the SHA-1 of the copy stored in this repository so the terms recorded describe the exact bytes served.

  https://commons.wikimedia.org/w/api.php

Access the data

Read-only, free, no API key, no registration. Only verified records are returned. Responses are cached for an hour and CORS is open.

• GET /api/public/officials

  Verified elected officials

• GET /api/public/districts

  Political districts and representatives

• GET /api/public/places

  Communities and the districts covering them

• GET /api/public/dataset

  This summary, including source list

Known limitations

• Community-to-district relationships are derived from each community's Census interior point. A community can span more than one district, so an address lookup is authoritative where a community page is indicative.
• Nassau County publishes no official district boundary service, so Nassau county legislative districts cannot be resolved from an address here.
• Nassau County does not publish party affiliation for its legislators, so that field is unavailable rather than inferred.
• Town, city and village officeholders are not yet verified against a structured source and are excluded from this API until they are.
• County legislative election cycles are affected by New York's Even Year Election Law transition, so next-election dates are not asserted for those seats.