5 free datasets tagged “northern ireland”. Open any one in Mapstack — no GIS skills, no download.
Data Zones (Northern Ireland) (United Kingdom, 2021)
Data Zones (Northern Ireland) of the United Kingdom, 2021. NI only; NISRA's own codes with published lookups REPUBLISH 2026-07-20: first publication violated the attribute policy (population/household/area statistics retained as joinable — decision 0019 audit); declared keep-list now identifiers+names only.
3,780 features
Super Data Zones (Northern Ireland) (United Kingdom, 2021)
Super Data Zones (Northern Ireland) of the United Kingdom, 2021. NI only REPUBLISH 2026-07-20: first publication violated the attribute policy (population/household/area statistics retained as joinable — decision 0019 audit); declared keep-list now identifiers+names only.
850 features
Administrative Areas (Local Authorities) (Ireland, 2024)
Administrative Areas (Local Authorities) of the Ireland, 2024. The 31 local authorities (the current local-government tier — counties with the five cities and the four Dublin authorities split out). CC_ID = council code (string, unique, 0 nulls); ENGLISH the council name; COUNTY/PROVINCE parents. Full-res coastline (66 MB) → GeoParquet + 0.001° simplify.
31 features
Electoral Divisions (Ireland, 2024)
Electoral Divisions of the Ireland, 2024. The smallest legally defined administrative area (3,455) — the CSO census join grain. ED_ID = national ED code (string, unique, 0 nulls); ENGLISH the name; COUNTY the parent. Full-res coastline (258 MB) → GeoParquet + 0.0002° simplify.
3,455 features
Counties (Ireland, 2019)
Counties of the Ireland, 2019. ADM1. The 26 statutory counties. CO_ID = OSi national county code (string, unique, 0 nulls); ENGLISH the name; PROVINCE the parent. Full-res coastline (66 MB) → GeoParquet + 0.001° simplify.
26 features
