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County · code 09005

Litchfield CountyConnecticut

Litchfield County is a county in Connecticut, with its seat in Litchfield. The county was established in 1751 from parts of Fairfield, Hartford, and New Haven counties.

  • Founded1751
  • County seatLitchfield
  • Named forLichfield, England
  • Land area921 sq mi + 24 sq mi water
  • Population185,186 2020 Census
  • Parcels mapped102,214 checked 15 October 2026
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Updated

Dutchess, NYHartfordNew HavenBerkshire, MAFairfieldHampden, MA Litchfield Census outline · seat marked

Where it is

Litchfield on the map of Connecticut

Connecticut has 8 counties and county equivalents, each with its own records office. Shapes with a page are links.

Fairfield CountyHartford CountyMiddlesex CountyNew Haven CountyNew London CountyTolland CountyWindham CountyLitchfield County Litchfield
Counties of Connecticut · Litchfield highlighted

History

Formed in 1751 from Fairfield County, Hartford County and New Haven County

An old deed may name a county that no longer exists, or a boundary that has since moved.

Litchfield County was created on October 9, 1751, from Fairfield County, Hartford County, and New Haven County. Starting in 1774, Connecticut granted Litchfield County jurisdiction over the town of Westmoreland in northeastern Pennsylvania and parts of New York, based on Connecticut's 1662 charter, but these territories were separated into Westmoreland County in 1776.

Boundary changes from the Newberry Library, Atlas of Historical County Boundaries; the 5 that matter most are shown first.

  1. 1751
    Litchfield County created Litchfield created from Fairfield, Hartford, and New Haven.
    from Fairfieldfrom Hartfordfrom New Haven
    · Conn. Col. Recs., 10:56-58
  2. 1775
    Gained territory Litchfield gained territory in Pennsylvania and New York when Connecticut enlarged the town of Westmoreland to the Fort Stanwix Indian Treaty line. · Cappon, Petchenik, and Long, 17, 92; Conn. Col. Recs., 15:13
  3. 1775
    Gained territory Litchfield gained territory from New York and exchanged territory with Pennsylvania when Connecticut reduced the area of the town of Westmoreland. · Cappon, Petchenik, and Long, 17, 92; Conn. Col. Recs., 15:197-198
  4. 1776
    Lost territory Litchfield lost all territory in Pennsylvania and New York to creation of Westmoreland (extinct).
    to Westmoreland
    · Cappon, Petchenik, and Long, 17, 92; Conn. St. Recs. 1:7
  5. 1780
    Gained territory Litchfield gained from New Haven when the town of Watertown was created from town of Waterbury.
    from New Haven
    · Conn. St. Recs., 3:73-75
Show all 14 changes (9 more)
  1. 1751
    Litchfield County created Litchfield created from Fairfield, Hartford, and New Haven.
    from Fairfieldfrom Hartfordfrom New Haven
    · Conn. Col. Recs., 10:56-58
  2. 1754
    Lost territory Litchfield lost small area to Fairfield.
    to Fairfield
    · Conn. Col. Recs., 10:274-275
  3. 1774
    Gained territory Litchfield gained the town of Westmoreland, a town created by Connecticut in northeastern Pennsylvania and a narrow strip of New York about 3 miles wide. Connecticut claimed the area based on its 1662 charter. Although Litchfield encroached slightly into New York, the dispute was between Connecticut and Pennsylvania. · Cappon, Petchenik, and Long, 17, 92; Conn. Col. Recs., 13:427, 14:218
  4. 1775
    Gained territory Litchfield gained territory in Pennsylvania and New York when Connecticut enlarged the town of Westmoreland to the Fort Stanwix Indian Treaty line. · Cappon, Petchenik, and Long, 17, 92; Conn. Col. Recs., 15:13
  5. 1775
    Gained territory Litchfield gained territory from New York and exchanged territory with Pennsylvania when Connecticut reduced the area of the town of Westmoreland. · Cappon, Petchenik, and Long, 17, 92; Conn. Col. Recs., 15:197-198
  6. 1776
    Lost territory Litchfield lost all territory in Pennsylvania and New York to creation of Westmoreland (extinct).
    to Westmoreland
    · Cappon, Petchenik, and Long, 17, 92; Conn. St. Recs. 1:7
  7. 1780
    Gained territory Litchfield gained from New Haven when the town of Watertown was created from town of Waterbury.
    from New Haven
    · Conn. St. Recs., 3:73-75
  8. 1788
    Lost territory Litchfield lost to Fairfield when the town of Brookfield was created from towns of Danbury, Newtown, and New Milford.
    to Fairfield
    · Conn. St. Recs., 6:410
  9. 1796
    Lost territory Litchfield lost the town of Hartland to Hartford.
    to Hartford
    · Conn. St. Recs., 8:372-373
  10. 1796
    Boundary clarified Litchfield boundaries were redefined (no change).
    no change
    · Conn. Pub. Acts 1796, pp. 123-124
  11. 1798
    Lost territory Litchfield lost to New Haven when the town of Oxford was created from towns of Derby and Southbury.
    to New Haven
    · Conn. St. Recs., 9:311-313
  12. 1806
    Lost territory Litchfield lost to Hartford when the town of Canton was created from towns of New Hartford and Simsbury.
    to Hartford
    · Conn. Pub. Acts 1806, p. 721
  13. 1807
    Lost territory Litchfield lost the town of Southbury to New Haven.
    to New Haven
    · Conn. Pub. Acts 1807, p. 771
  14. 1807
    Lost territory Litchfield lost to New Haven when the town of Middlebury was created from towns of Southbury, Waterbury, and Woodbury.
    to New Haven
    · Conn. Pub. Acts 1807, p. 800; Conn. Pub. Acts 1808, p. 815

Land and parcels

What the maps cover in Litchfield

Who publishes each layer, how good it is, and when we last checked.

Official
from the office that keeps the record
Good enough
a reliable statewide or national copy
Fallback
a guide only; check the official record
Missing
nothing public found yet

People and land

Litchfield by the Census

Population
185,186 2020 Census count
Housing units
87,615 2020 Census count
Land area
921 square miles
Water area
24 square miles
People per sq mi
201 population ÷ land area

Source: US Census Bureau, 2020 Census; US Census Bureau, 2020 Gazetteer Files. Not endorsed or certified by the Census Bureau.

See your own lot on these maps

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Questions

Common questions about Litchfield County

When was Litchfield County founded?
Litchfield County was founded in 1751, formed from Fairfield County, Hartford County and New Haven County, and named after Lichfield, England.
What is the county seat of Litchfield County?
The county seat of Litchfield County is Litchfield.
Is there an online parcel map for Litchfield County?
Yes. A public source publishes a parcel map of 102,214 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Litchfield County's boundary or name changed?
Litchfield County was created in 1751 from Fairfield County, Hartford County and New Haven County. Since then the Atlas of Historical County Boundaries records 12 later changes, chiefly involving New Haven County, Fairfield County and Hartford County.
Is my lot in a flood zone?
We do not have flood maps for Litchfield County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.

Nearby

Counties next door