Ontario · area guide · 13 communities · checked October 8, 2026

Home energy audits, radon and well water testing in Norfolk County

Norfolk County is home to 67,490 people (2021 Census), and 36% of their houses were built before 1961. This guide covers 13 communities, from Simcoe, Port Dover, Delhi and Waterford to the smallest hamlets, with the local numbers that shape an energy audit or a home health test.

A Victorian red-brick semi-detached house with a front porch in autumn

Population (2021)

67,490

Communities listed

13

Houses built before 1961

36%

Heating degree-days

3,912

Culloden Easey

How Norfolk County is built

Norfolk County's houses by when they were built Ten house shapes, one for each tenth of Norfolk County's 25,290 houses. Before 1961: 36%, 1961–1990: 34%, 1991–2000: 8%, 2001 or later: 21%. Older houses glow hotter.
  • Before 1961 36%
  • 1961–1990 34%
  • 1991–2000 8%
  • 2001 or later 21%
Each house stands for one in ten of Norfolk County's 25,290 houses (single-detached, semi-detached, row, duplex and mobile homes), drawn by when it was built. The glow shows the usual pattern: older houses tend to be leakier and less insulated. Snowfall scales with heating degree-days. Sources: Statistics Canada 2021 Census (table 98-10-0233-01), Environment and Climate Change Canada 1981–2010 climate normals (Culloden Easey) and the National Building Code 2020 January design temperature for Simcoe.

This page covers Norfolk County, a single-tier municipality on Lake Erie. Note that "Simcoe, Ont." usually means the town of Simcoe here, the county seat, not Simcoe County north of Toronto.

Six local guides for Norfolk County

Norfolk County at a glance

People and homes

67,490 people and 30,085 private dwellings in 2021, up 5.4% in population since 2016. On census day (May 11, 2021), 8% of the 30,085 private dwellings in Norfolk County were not anyone's permanent home.

Housing

Of the 25,290 houses in Norfolk County (single-detached, semi-detached, row houses, duplexes and mobile homes), 36% were built before 1961 and 70% before 1991, according to the 2021 Census. The typical house dates from 1971–1980.

Climate

Environment and Climate Change Canada's 1981–2010 climate normal at Culloden Easey (37.5 km from the middle of the area) is 3,912 heating degree-days a year, with a January mean of −5.7°C. The building code's 2.5% January design temperatures for the area run from −15°C to −17°C.

Radon

In Health Canada’s 2012 survey, 2.6% of 116 homes tested in the Haldimand-Norfolk Health Unit were above the guideline. The larger 2024 Cross-Canada survey reports 12.4% (1 in 8) of homes at or above the guideline for Ontario as a whole.

Wells

Free bacteria testing through Public Health Ontario, with bottles from Grand Erie Public Health weekdays 8:30 a.m. to 4:30 p.m. Drop samples off at Grand Erie Public Health, 185 Robinson Street (Suite 200), Simcoe, Monday to Thursday, 8:30 a.m. to 4:30 p.m.

Energy advisors

NRCan's list (checked October 8, 2026) shows 21 service organizations registered for postal codes in Simcoe and Delhi. Confirm they travel to your community.

Heating

Province-wide, 58% of Ontario households heat mainly with natural gas, 18% with electricity, 4% with propane and 1% each with oil and wood (Statistics Canada, 2023); there's no published breakdown for this area alone.

Every community in Norfolk County

Grouped by municipality, with 2021 Census populations. Names come from Natural Resources Canada's geographical names database and Statistics Canada's population centres.

  • Norfolk County 67,490Courtland, Delhi, Langton, Port Dover, Port Rowan, Simcoe, Teeterville, Turkey Point, Vittoria, Walsingham, Waterford, Wilsonville

Who does the work in Norfolk County

Rebates and financing for Norfolk County homes

Nearby city pages and guides

Planning upgrades in Norfolk County?

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