Warren County and Its Homes
Warren County grew 2 percent from 2020 to 2025, to 18,898 people by the Census Bureau's estimate, in about 11,700 housing units.
Its three incorporated towns each have a page here: Norlina, Warrenton and Macon. About 10 percent of Warren County's housing units are inside town limits, the rest in unincorporated areas.
Warren County at a Glance
- Population: 18,898 (2025), 18,606 (2020)
- Housing units: about 11,700
- Median year built: 1988 (North Carolina: 1991)
- Built before 1980: 34% (statewide: 34%)
- Detached houses: 53%
- Mobile homes: 41%
- Owner-occupied: 69%
- Heated with electricity: 72% (statewide: 65%)
- Climate zone: 3 (2021 map), 4 (state code)
- Towns with pages here: 3
Census Bureau estimates for Warren County (housing: 2020 to 2024).
What We Do in Warren County
Attic Insulation in Warren County
Some 34 percent of Warren 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 Warren County
Wet, moldy or animal-soiled insulation comes out of Warren County attics, and a mouse-soiled Warren County attic is sanitized and deodorized; in the 14 percent of homes built before 1960, vermiculite is ruled out first.
Air Sealing in Warren County
Some 72 percent of Warren County homes heat with electricity, often through attic ducts; their joints and the ceiling's gaps are sealed first.
Homes in Warren County
Half of Warren County's 11,700 housing units were built before 1988: 18 percent before 1970, 34 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 1990s, under codes that asked for less than ENERGY STAR now suggests; ENERGY STAR notes insulation is often thinnest at the eaves. Among Warren County towns, the median home is oldest in Warrenton (1952) and newest in Norlina (1984).
Only about 8,100 of Warren County's 11,700 housing units were someone's usual home in the Census Bureau's 2020 to 2024 survey; the heating shares below describe those households. Warren County by type: 53 percent detached houses, 5 percent in buildings of two or more homes and 41 percent mobile homes (11 percent statewide). In Warren County, 72 percent of households heat with electricity, 7 percent with piped gas (24 percent statewide), 14 percent with tank gas (6 percent statewide), 4 percent with oil or kerosene and 4 percent with wood.
Warren County Homes by Year Built
- Before 1940: about 810 units, 7% (±1)
- 1940s: about 340 units, 3% (±1)
- 1950s: about 520 units, 4% (±1)
- 1960s: about 490 units, 4% (±1)
- 1970s: about 1,800 units, 15% (±2)
- 1980s: about 2,330 units, 20% (±3)
- 1990s: about 2,380 units, 20% (±2)
- 2000s: about 1,930 units, 16% (±2)
- 2010s: about 790 units, 7% (±2)
- 2020 or later: about 320 units, 3% (±1)
Climate Across Warren County
NOAA 1991 to 2020 normals for Warren County towns, by station: Arcola station (Warrenton and Macon): about 3,340 heating and 1,460 cooling degree days; Henderson 2 NNW station (Norlina): about 3,890 heating and 1,440 cooling degree days.
Power and Gas in Warren County
The card lists Warren County's town utilities by the territory maps; a power bill confirms the one at an address.
Frontier Natural Gas holds the Warren County gas franchise (NC Utilities Commission map), and 7 percent of Warren County homes heat with piped gas.
Who Supplies Power in Warren County
- Duke Energy Progress: Norlina, Warrenton and Macon
- Mecklenburg Electric Cooperative: homes near Norlina, Warrenton and Macon
- Halifax EMC: homes near Norlina, Warrenton and Macon
Energy Programs for Warren County Homes
Check each program's current terms for a Warren 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 Warren County
- Smart $aver Insulate and Seal (Duke Energy rebate; Norlina, Warrenton and Macon).
- Home Energy House Call (Duke Energy home assessment; Norlina, Warrenton and Macon).
- Income-qualified Weatherization (Duke Energy income-qualified; Norlina, Warrenton and Macon).
- Energy Saver North Carolina (statewide income-qualified; any Warren County address).
- Weatherization Assistance Program (statewide income-qualified; any Warren County address).
Warren County Insulation FAQs
Do you serve all of Warren County?
Yes: Norlina, Warrenton and Macon, and every unincorporated Warren County address.
Which utilities offer insulation rebates in Warren County?
Duke Energy's Smart $aver Insulate and Seal (Norlina, Warrenton and Macon).
Does attic insulation in Warren County need a permit?
Ask Warren County Planning, Zoning & Code Enforcement before work starts. For an address in Norlina, Warrenton or Macon, the town or city hall can tell you whether Warren County's office handles its permits.
Counties Near Warren County
Vance County · Franklin County · Halifax County · Nash County · Granville County · All service areas
Warren County, NC
Open in Google Maps (opens in a new tab)Insulation Pros in Warren County
An insulation contractor serving North Carolina, Warren County included.
Send the square footage of your Warren County attic, or call (336) 870-3893.