Caswell County and Its Homes
Caswell County held steady from 2020 to 2025 at 22,563 people by the Census Bureau's estimate, in about 10,500 housing units.
Its two incorporated towns each have a page here: Yanceyville and Milton. About 10 percent of Caswell County's housing units are inside town limits, the rest in unincorporated areas.
Caswell County at a Glance
- Population: 22,563 (2025), 22,476 (2020)
- Housing units: about 10,500
- Median year built: 1981 (North Carolina: 1991)
- Built before 1980: 48% (statewide: 34%)
- Detached houses: 73%
- Mobile homes: 23%
- Owner-occupied: 75%
- Heated with electricity: 63% (statewide: 65%)
- Climate zone: 3 (2021 map), 4 (state code)
- Towns with pages here: 2
Census Bureau estimates for Caswell County (housing: 2020 to 2024).
Towns in Caswell County
Yanceyville
1,850 people · median home 1973 · Duke Energy
Milton
176 people · Duke Energy
What We Do in Caswell County
Attic Insulation in Caswell County
Some 48 percent of Caswell 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 Caswell County
Wet, moldy or animal-soiled insulation comes out of Caswell County attics, and a mouse-soiled Caswell County attic is sanitized and deodorized; in the 22 percent of homes built before 1960, vermiculite is ruled out first.
Air Sealing in Caswell County
Some 63 percent of Caswell County homes heat with electricity, often through attic ducts; their joints and the ceiling's gaps are sealed first.
Homes in Caswell County
Half of Caswell County's 10,500 housing units were built before 1981: 28 percent before 1970, 48 percent before 1980 (nearly all before the state's 1978 insulation rule) and 10 percent in 2010 or later. The largest share went up in the 1970s; fiberglass from those years may have settled, so check its depth against the joists.
Caswell County by type: 73 percent detached houses and 23 percent mobile homes (11 percent statewide). In Caswell County, 63 percent of homes heat with electricity, 4 percent with piped gas, 23 percent with tank gas (6 percent statewide), 3 percent with oil or kerosene and 5 percent with wood (1 percent statewide).
Caswell County Homes by Year Built
- Before 1940: about 860 units, 8% (±2)
- 1940s: about 490 units, 5% (±1)
- 1950s: about 1,010 units, 10% (±2)
- 1960s: about 590 units, 6% (±2)
- 1970s: about 2,100 units, 20% (±3)
- 1980s: about 1,480 units, 14% (±3)
- 1990s: about 1,590 units, 15% (±3)
- 2000s: about 1,340 units, 13% (±3)
- 2010s: about 990 units, 9% (±2)
- 2020 or later: about 70 units, 1% (±1)
Climate Across Caswell County
NOAA 1991 to 2020 normals for Caswell County towns, by station: Yanceyville 4 SE station (Yanceyville): about 3,700 heating and 1,510 cooling degree days; Danville Regional Airport, VA station (Milton): about 3,810 heating and 1,380 cooling degree days.
Power and Gas in Caswell County
The card lists Caswell County's town and countryside utilities by the territory maps; a power bill confirms the one at an address. The territory map does not split Duke Energy's two North Carolina companies in Caswell County; their programs are the same, and the power bill names the one at an address.
Enbridge Gas North Carolina holds the Caswell County gas franchise (NC Utilities Commission map), and 4 percent of Caswell County homes heat with piped gas.
Who Supplies Power in Caswell County
- Duke Energy: Yanceyville and Milton
- Piedmont Electric Cooperative: other parts of Caswell County
Energy Programs for Caswell County Homes
Check each program's current terms for a Caswell 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 Caswell County
- Smart $aver Insulate and Seal (Duke Energy rebate; Yanceyville and Milton).
- Attic Insulation and Duct Sealing Rebates (Piedmont Electric Cooperative; parts of Caswell County): member rebates for bringing attic insulation up to at least R-38 and for duct sealing, installed by a contractor.
- Home Energy House Call (Duke Energy home assessment; Yanceyville and Milton).
- Home Energy Advisor (Piedmont Electric Cooperative; parts of Caswell County): free home energy analysis.
- Income-qualified Weatherization (Duke Energy income-qualified; Yanceyville and Milton).
- ThermWise Weatherization Assistance (Enbridge Gas; Caswell County gas customers): no-cost weatherization for gas customers, income-qualified.
- Energy Saver North Carolina (statewide income-qualified; any Caswell County address).
- Weatherization Assistance Program (statewide income-qualified; any Caswell County address).
Caswell County Insulation FAQs
Do you serve all of Caswell County?
Yes: Yanceyville and Milton, and every unincorporated Caswell County address.
Which utilities offer insulation rebates in Caswell County?
Duke Energy's Smart $aver Insulate and Seal (Yanceyville and Milton); Piedmont Electric Cooperative's Attic Insulation and Duct Sealing Rebates (parts of Caswell County).
Does attic insulation in Caswell County need a permit?
Ask Caswell County Building Inspections before work starts. For an address in Yanceyville or Milton, the town or city hall can tell you whether Caswell County's office handles its permits.
Counties Near Caswell County
Person County · Alamance County · Rockingham County · Orange County · Guilford County · All service areas
Caswell County, NC
Open in Google Maps (opens in a new tab)Insulation Pros in Caswell County
An insulation contractor serving North Carolina, Caswell County included.
Send the square footage of your Caswell County attic, or call (336) 870-3893.