Ayer's Cliff

Ayer's Cliff
Location within Memphrémagog RCM.
Ayer's Cliff
Location in southern Quebec.
Coordinates: 45°10′N 72°03′W / 45.167°N 72.050°W / 45.167; -72.050
Country Canada
Province Quebec
RegionEstrie
RCMMemphrémagog
Settled1815
ConstitutedFebruary 4, 1909
Government
  MayorSimon Roy
  Federal ridingCompton—Stanstead
  Prov. ridingOrford
Area
  Total
5.50 km2 (2.12 sq mi)
  Land5.53 km2 (2.14 sq mi)
 There is an apparent
contradiction between two
authoritative sources
Population
 (2021)
  Total
1,197
  Density213.3/km2 (552/sq mi)
  Pop 2016-2021
10%
  Dwellings
643
DemonymAyer's Cliffer
Time zoneUTC−5 (EST)
  Summer (DST)UTC−4 (EDT)
Postal code(s)
Area code819
Highways R-141
R-208
Census profile
MAMROT info45035
Toponymie info142204
Websitewww.ayerscliff.ca

Ayer's Cliff (2021 population 1,180) is a village municipality in the Memphrémagog Regional County Municipality in the Estrie region of Quebec. It is located just north of the Canada–United States border, on Lake Massawippi, near the mouth of the Tomifobia River.