Attic Insulation in Davidson County, NC

Davidson County and Its Homes

Davidson County grew 7 percent from 2020 to 2025, to 180,182 people by the Census Bureau's estimate, in about 76,400 housing units.

Its five incorporated towns each have a page here: Thomasville, Lexington, Midway, Wallburg and Denton. About 35 percent of Davidson County's housing units are inside town limits, the rest in unincorporated areas.

White temple-front courthouse with tall columns and a cupola beside a street — The Old Davidson County Courthouse on the square in Lexington, North Carolina Photo: Charlottewitch1, CC BY-SA 4.0, via Wikimedia Commons; cropped and resized

Davidson County at a Glance

Population: 180,182 (2025), 169,029 (2020)
Housing units: about 76,400
Median year built: 1985 (North Carolina: 1991)
Built before 1980: 43% (statewide: 34%)
Detached houses: 75%
Mobile homes: 13%
Owner-occupied: 74%
Heated with electricity: 71% (statewide: 65%)
Climate zone: 3 on both maps
Towns with pages here: 5

Census Bureau estimates for Davidson County (housing: 2020 to 2024).

Towns and Communities in Davidson County

Thomasville
27,733 people · median home 1983 · Duke Energy Carolinas
Lexington
20,238 people · median home 1969 · its own electric system
Midway
5,104 people · Duke Energy Carolinas
Wallburg
3,255 people · Duke Energy Carolinas
Denton
1,610 people · median home 1969 · Duke Energy Carolinas
High Point
Guilford County town · about 7,300 residents in Davidson County

Unincorporated communities the Census Bureau maps in Davidson County: Welcome (about 1,500 housing units, median year built 1978), Tyro (about 1,400 housing units, median year built 1990), Southmont and Yadkin College.

What We Do in Davidson County

Attic Insulation in Davidson County
Some 43 percent of Davidson County housing units predate 1980; joists showing above their insulation mean more blown-in fiberglass is due, R-49 from bare.
Attic Insulation Removal in Davidson County
Wet, moldy or animal-soiled insulation comes out of Davidson County attics, and a mouse-soiled Davidson County attic is sanitized and deodorized; in the 19 percent of homes built before 1960, vermiculite is ruled out first.
Air Sealing in Davidson County
Some 71 percent of Davidson County homes heat with electricity, often through attic ducts; their joints and the ceiling's gaps are sealed first.

Homes in Davidson County

Half of Davidson County's 76,400 housing units were built before 1985: 29 percent before 1970, 43 percent before 1980 (nearly all before the state's 1978 insulation rule) and 9 percent in 2010 or later. The largest share went up in the 2000s, under codes that asked for less than ENERGY STAR now suggests; ENERGY STAR notes insulation is often thinnest at the eaves. Among Davidson County towns, the median home is oldest in Denton (1969) and newest in Thomasville (1983).

Davidson County by type: 75 percent detached houses, 9 percent in buildings of two or more homes and 13 percent mobile homes. In Davidson County, 71 percent of homes heat with electricity, 17 percent with piped gas, 4 percent with tank gas and 5 percent with oil or kerosene (2 percent statewide).

Davidson County Homes by Year Built

Before 1940: about 4,590 units, 6% (±1)
1940s: about 2,830 units, 4% (±1)
1950s: about 6,940 units, 9% (±1)
1960s: about 7,720 units, 10% (±1)
1970s: about 11,040 units, 14% (±1)
1980s: about 10,510 units, 14% (±1)
1990s: about 11,970 units, 16% (±1)
2000s: about 13,550 units, 18% (±1)
2010s: about 5,830 units, 8% (±1)
2020 or later: about 1,420 units, 2% (±1)

Climate Across Davidson County

NOAA 1991 to 2020 normals for Davidson County towns, by station: Lexington station (Lexington, Midway and Denton): about 3,500 heating and 1,450 cooling degree days; High Point station (Thomasville and Wallburg): about 3,120 heating and 1,710 cooling degree days.

Power and Gas in Davidson County

The card lists Davidson County's town utilities by the territory maps; a power bill confirms the one at an address.

Piedmont Natural Gas holds the Davidson County gas franchise (NC Utilities Commission map), and 17 percent of Davidson County homes heat with piped gas.

Who Supplies Power in Davidson County

Duke Energy Carolinas: Thomasville, Midway, Wallburg and Denton; homes near Lexington
EnergyUnited: homes near Lexington, Midway, Wallburg and Denton
Lexington's own electric system: Lexington

Energy Programs for Davidson County Homes

Check each program's current terms for a Davidson County home; some pay only through the utility's contractor network. Insulation Pros is an approved Duke Energy trade ally for Duke's rebate.

Programs for Davidson County

Smart $aver Insulate and Seal (Duke Energy rebate; Thomasville, Midway, Wallburg, Denton and more).
Home Energy House Call (Duke Energy home assessment; Thomasville, Midway, Wallburg, Denton and more).
ElectriCities energy audits (ElectriCities member towns; Lexington).
Income-qualified Weatherization (Duke Energy income-qualified; Thomasville, Midway, Wallburg, Denton and more).
Energy Saver North Carolina (statewide income-qualified; any Davidson County address).
Weatherization Assistance Program (statewide income-qualified; any Davidson County address).
Piedmont Natural Gas lists rebates for high-efficiency gas furnaces, and none for insulation or air sealing (program page).

Get Your Free Estimate

or call (336) 870-3893

Davidson County Insulation FAQs

Do you serve all of Davidson County?

Yes: Thomasville, Lexington, Midway, Wallburg and Denton, the parts of High Point inside Davidson County, and every unincorporated Davidson County address.

Which utilities offer insulation rebates in Davidson County?

Duke Energy's Smart $aver Insulate and Seal (Thomasville, Midway, Wallburg, Denton and more).

Does attic insulation in Davidson County need a permit?

Ask Davidson County Inspections & Central Permitting before work starts. For an address in Thomasville, Lexington, Midway or another Davidson County town, the town or city hall can tell you whether Davidson County's office handles its permits.