Mecklenburg was renamed as the "Midland District" in 1792.

At the beginning of 1800, the County was reorganized as follows:

:* the eastern part of the islands of the county of Ontario were transferred to Frontenac, on the former's dissolution

:* Frontenac was declared to consist solely of the townships of Pittsburg, Kingston, Loughborough, Portland, Hinchbrooke, Bedford and Wolfe Island

:* the remaining unorganized territory remained part of Midland District

Through the addition of newly surveyed townships, by 1845 the County covered the following territory:

In 1860, the newly surveyed townships of Miller and Canonto were transferred from Renfrew County

In 1998, the County was reorganized, and it now consists of the townships of North Frontenac, Central Frontenac, South Frontenac and Frontenac Islands. The City of Kingston absorbed Kingston and Pittsburgh Townships and exists now as a separated municipality.

The county council itself was abolished and replaced by a management unit with limited powers, known as the Frontenac Management Board. The management unit became a county again in 2004.

Demographics

As a census division in the 2021 Census of Population conducted by Statistics Canada, Frontenac County had a population of living in of its total private dwellings, a change of from its 2016 population of . With a land area of , it had a population density of in 2021.

| 1921 |44494

| 1931 |45756

| 1941 |53717

| 1951 |66099

| 1956 |76534

| 1961 |87534

| 1966 |97138

| 1971 |101692

| 1976 |108052

| 1981 |108133

| 1986 |115221

| 1991 |129089

| 1996 |136365

| 2001 |138606

| 2006 |143865

| 2011 |149753

| 2016 |150475

| 2021 |161780

Education

Children attend schools part of the Limestone District School Board, based in the City of Kingston.

See also

  • List of municipalities in Ontario
  • List of Ontario Census Divisions
  • Kingston Frontenac Public Library
  • K&P Rail Trail
  • List of townships in Ontario

References

  • Rollaston, Brian, ed. County of a Thousand Lakes: The History of the County of Frontenac. Kingston: County of Frontenac, 1982.
  • Ross, Alec & John De Visser. Kingston and Frontenac County. Erin ON: Boston Mills Press, 2009.
  • Meacham, J.H. Illustrated Historical Atlas of Frontenac, Lennox, and Addington Counties. Toronto, 1878; reprint ed., Belleville: Mika, 1971.