County Leitrim

County Leitrim
Contae Liatroma
Nicknames: 
The Wild Rose County (Others)
Interactive map of County Leitrim
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
 • Density22.15/km2 (57.37/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.