Leeds Grenville
County (upper-tier)
United Counties of Leeds and Grenville
Seal
Location of Leeds and Grenville United Counties
Coordinates:44°50′N75°40′W / 44.833°N 75.667°W /44.833; -75.667
Country	Canada
Province	Ontario
Region	Eastern Ontario
Formed	1 January 1850
County seat	Brockville
Municipalities	List Township ofAthens Township ofAugusta Township ofEdwardsburgh/Cardinal Township ofElizabethtown-Kitley Township ofFront of Yonge Township ofLeeds and the Thousand Islands Municipality (township) ofNorth Grenville Township ofRideau Lakes Village ofMerrickville-Wolford Village ofWestport
Government
• Type	Upper-tier municipality
• Warden	Corinna Smith-Gatcke[1]
Area [2]
• Land	3,322.75 km2 (1,282.92 sq mi)
• Census division	3,355.61 km2 (1,295.61 sq mi)
	Land area excludes Brockville, Gananoque, and Prescott
Population  (2021)[2]
• Total	72,493
• Density	21.8/km2 (56/sq mi)
• Census division	104,070
• Census division density	31/km2 (80/sq mi)
	Total excludes Brockville, Gananoque, and Prescott
Time zone	UTC−05:00 (EST)
• Summer (DST)	UTC−04:00 (EDT)
Website	www.leedsandgrenville.ca

TheUnited Counties of Leeds and Grenville, commonly known asLeeds and Grenville, is a county andcensus division inOntario, Canada, in theEastern Ontario subregion ofSouthern Ontario. It fronts on theSt. Lawrence River and theinternational boundary between Canada and the United States, opposite of theState of New York. The county seat isBrockville. The county was formed by the union of the historical counties ofLeeds andGrenville in 1850.

There are 10 municipalities in Leeds and Grenville (in order of population):

• Municipality ofNorth Grenville (part of Grenville sub-region)
• Township ofRideau Lakes (part of Leeds sub-region)
• Township ofElizabethtown-Kitley (part of Leeds sub-region)
• Township ofLeeds and the Thousand Islands (part of Leeds sub-region)
• Township ofAugusta (part of Grenville sub-region)
• Township ofEdwardsburgh/Cardinal (part of Grenville sub-region)
• Village ofMerrickville–Wolford (part of Grenville sub-region)
• Township ofAthens (part of Leeds sub-region)
• Township ofFront of Yonge (part of Leeds sub-region)
• Village ofWestport (part of Leeds sub-region)

The city ofBrockville and towns ofGananoque andPrescott are part of the Leeds and Grenville census division but are independent of the county.

• Leeds County^[3]
  • Bastard (now part of Rideau Lakes)
  • Elizabethtown (now part of Elizabethtown-Kitley)
  • Front of Escott (now part of Leeds and the Thousand Islands)
  • Front of Leeds and Lansdowne (now part of Leeds and the Thousand Islands)
  • Front of Yonge (still exists)
  • Kitley (now part of Elizabethtown-Kitley)
  • North Crosby (now part of Rideau Lakes)
  • Rear of Escott (now part of Athens)
  • Rear of Leeds and Lansdowne (now part of Leeds and the Thousand Islands)
  • Rear of Yonge (now part of Athens)
  • South Burgess (now part of Rideau Lakes)
  • South Crosby (now part of Rideau Lakes)
  • South Elmsley (now part of Rideau Lakes)
• Grenville County^[3]
  • Augusta (still exists)
  • Edwardsburgh (still exists as part of Edwardsburgh/Cardinal)
  • Oxford (now part of North Grenville)
  • South Gower (now part of North Grenville)
  • Smiths Falls (south end of town, while most of Smiths Falls is located inLanark County)
  • Wolford (still exists as part of Merrickville-Wolford)

As acensus division in the2021 Census of Population conducted byStatistics Canada, the United Counties of Leeds and Grenville had a population of104,070 living in44,618 of its49,557 total private dwellings, a change of3.5% from its 2016 population of100,527. With a land area of 3,355.61 km² (1,295.61 sq mi), it had a population density of31.0/km² (80.3/sq mi) in 2021.^[2]

William Buell granted the land for construction of the Brockville Courthouse atop a hill rising from the Saint Lawrence River. A broad boulevard extends to the main street. One of the oldest courthouses in Ontario, it was erected in 1842. The original plan had been to build one in Johnstown Township, but the land there was too swampy. Instead, it was built in Elizabethtown Township.

The figure ofThemis, a blindfolded woman holding the scales of justice, was made by master carver William Holmes in 1844. This statue was named "Sally Grant" by Paul Glasford, the chair of the building committee, in honour of the woman who posed as the model. It was erected in 1845, damaged byHurricane Hazel in 1954 and rotting by 1956. The original is on display at aWestport museum. A replica carved by Robert Kerr ofSmiths Falls was placed atop the courthouse in 1982.

•  Highway 15
•  Highway 137
•  Highway 401
•  Highway 416

Brockville is serviced byVia Rail^[8], as well as intercity bus service. There is local public transit in Brockville^[9], and on-demand transit in North Grenville^[10].

Since 1832 theRideau Canal was a major freight transport route. Since the 1960s however, it has been used exclusively for pleasure craft.

The town ofSmiths Falls is mostly located inLanark County, while parts of the southern areas of the town are in the township ofRideau Lakes in the United Counties of Leeds and Grenville.

• List of municipalities in Ontario
• List of townships in Ontario
• Union, Leeds and Grenville United Counties, Ontario
• List of secondary schools in Ontario#Leeds and Grenville United Counties

• Media related toLeeds and Grenville United Counties at Wikimedia Commons
• Official website

• Leeds and Grenville United Counties
• United counties in Ontario

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