County Leitrim

County Leitrim
Contae Liatroma
Nicknames: 
The Wild Rose County (Others)
County Leitrim shown in darker green with Northern Ireland in pink
CountryIreland
ProvinceConnacht
RegionNorthern and Western
Established1565–83
County townCarrick-on-Shannon
Government
  Local authorityLeitrim County Council
  Dáil constituencySligo–Leitrim
  EP constituencyMidlands–North-West
Area
  Total
1,589 km2 (614 sq mi)
  Rank26th
Highest elevation631 m (2,070 ft)
Population
 (2022)
  Total
35,199
  Rank32nd
  Density22/km2 (57/sq mi)
Time zoneUTC±0 (WET)
  Summer (DST)UTC+1 (IST)
Eircode routing keys
F91, N41 (primarily)
Telephone area codes071 (primarily)
ISO 3166 codeIE-LM
Vehicle index
mark code
LM
WebsiteOfficial website

County Leitrim (/ˈltrəm/ LEE-trəm; Irish: Contae Liatroma) is a county in Ireland. It is in the province of Connacht and is part of the Northern and Western Region. It is named after the village of Leitrim. Leitrim County Council is the local authority for the county, which had a population of 35,199 according to the 2022 census.

The county was based on the Gaelic territory of West Breffny (Bréifne) as it existed in the 1580s.