Attic Insulation in Nash County, NC

Nash County and Its Homes

Nash County grew 4 percent from 2020 to 2025, to 99,365 people by the Census Bureau's estimate, in about 43,800 housing units.

Its eleven incorporated towns each have a page here: Rocky Mount, Nashville, Red Oak, Sharpsburg, Spring Hope, Dortches, Middlesex, Whitakers, Bailey, Castalia and Momeyer. About 60 percent of Nash County's housing units are inside town limits, the rest in unincorporated areas.

A brick courthouse with a tall white-columned portico in Nashville, North Carolina — The Nash County Courthouse in Nashville, the county seat Photo: Nyttend, public domain, via Wikimedia Commons

Nash County at a Glance

Population: 99,365 (2025), 95,633 (2020)
Housing units: about 43,800
Median year built: 1986 (North Carolina: 1991)
Built before 1980: 40% (statewide: 34%)
Detached houses: 67%
Mobile homes: 15%
Owner-occupied: 64%
Heated with electricity: 67% (statewide: 65%)
Climate zone: 3 (2021 map), 4 (state code)
Towns with pages here: 11

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

Towns in Nash County

Rocky Mount
55,120 people · median home 1979 · its own electric system
Nashville
5,911 people · median home 1993 · Duke Energy Progress
Red Oak
3,523 people · Duke Energy Progress
Sharpsburg
1,798 people · median home 1987 · its own electric system
Spring Hope
1,383 people · Duke Energy Progress
Dortches
1,103 people · median home 1984 · Duke Energy Progress
Middlesex
975 people · median home 1977 · Duke Energy Progress
Whitakers
646 people · power varies by address
Bailey
593 people · median home 1955 · Duke Energy Progress
Castalia
280 people · Duke Energy Progress
Momeyer
261 people · Duke Energy Progress

What We Do in Nash County

Attic Insulation in Nash County
Some 40 percent of Nash 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 Nash County
Wet, moldy or animal-soiled insulation comes out of Nash County attics, and a mouse-soiled Nash County attic is sanitized and deodorized; in the 18 percent of homes built before 1960, vermiculite is ruled out first.
Air Sealing in Nash County
Some 67 percent of Nash County homes heat with electricity, often through attic ducts; their joints and the ceiling's gaps are sealed first.

Homes in Nash County

Half of Nash County's 43,800 housing units were built before 1986: 25 percent before 1970, 40 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 1990s, under codes that asked for less than ENERGY STAR now suggests; ENERGY STAR notes insulation is often thinnest at the eaves. Among Nash County towns, the median home is oldest in Bailey (1955) and newest in Nashville (1993).

Nash County by type: 67 percent detached houses, 16 percent in buildings of two or more homes and 15 percent mobile homes. In Nash County, 67 percent of homes heat with electricity, 18 percent with piped gas and 13 percent with tank gas (6 percent statewide).

Nash County Homes by Year Built

Before 1940: about 4,040 units, 9% (±1)
1940s: about 1,050 units, 2% (±1)
1950s: about 2,970 units, 7% (±1)
1960s: about 3,080 units, 7% (±1)
1970s: about 6,560 units, 15% (±2)
1980s: about 7,040 units, 16% (±1)
1990s: about 8,370 units, 19% (±2)
2000s: about 6,930 units, 16% (±2)
2010s: about 3,030 units, 7% (±1)
2020 or later: about 740 units, 2% (±1)

Climate Across Nash County

NOAA 1991 to 2020 normals for Nash County towns, by station: Rocky Mount-Wilson Airport station (Nashville, Red Oak, Sharpsburg, Dortches and 1 more): about 3,270 heating and 1,680 cooling degree days; Rocky Mount 8 ESE station (Rocky Mount and Whitakers): about 3,380 heating and 1,550 cooling degree days; Louisburg station (Spring Hope and Castalia): about 3,650 heating and 1,550 cooling degree days; Clayton Water Plant station (Middlesex): about 3,390 heating and 1,580 cooling degree days.

Power and Gas in Nash County

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

Piedmont Natural Gas holds the Nash County gas franchise (NC Utilities Commission map), and 18 percent of Nash County homes heat with piped gas.

Who Supplies Power in Nash County

Duke Energy Progress: Nashville, Red Oak, Spring Hope, Dortches, Middlesex, Bailey, Castalia and Momeyer; parts of Whitakers; homes near Rocky Mount and Sharpsburg
Rocky Mount's own electric system: Rocky Mount
Edgecombe-Martin County EMC: parts of Whitakers; homes near Rocky Mount
Sharpsburg's own electric system: Sharpsburg
Dominion Energy North Carolina: parts of Whitakers

Energy Programs for Nash County Homes

Check each program's current terms for a Nash 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 Nash County

Smart $aver Insulate and Seal (Duke Energy rebate; Nashville, Red Oak, Spring Hope, Dortches and more).
Home Energy Evaluation (Dominion Energy rebate; Whitakers).
Home Energy House Call (Duke Energy home assessment; Nashville, Red Oak, Spring Hope, Dortches and more).
ElectriCities energy audits (ElectriCities member towns; Rocky Mount and Sharpsburg).
Free energy audit (Edgecombe-Martin County EMC; Whitakers and near Rocky Mount): a free home energy audit for members.
Income-qualified Weatherization (Duke Energy income-qualified; Nashville, Red Oak, Spring Hope, Dortches and more).
Income and Age Qualifying Home Improvements (Dominion Energy income-qualified; Whitakers).
Energy Saver North Carolina (statewide income-qualified; any Nash County address).
Weatherization Assistance Program (statewide income-qualified; any Nash 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

Nash County Insulation FAQs

Do you serve all of Nash County?

Yes: Rocky Mount, Nashville, Red Oak, Sharpsburg, Spring Hope, Dortches, Middlesex, Whitakers and three more towns, and every unincorporated Nash County address.

Which utilities offer insulation rebates in Nash County?

Duke Energy's Smart $aver Insulate and Seal (Nashville, Red Oak, Spring Hope, Dortches and more); Dominion Energy's Home Energy Evaluation (Whitakers).

Does attic insulation in Nash County need a permit?

Ask Nash County Building Inspections before work starts. For an address in Rocky Mount, Nashville, Red Oak or another Nash County town, the town or city hall can tell you whether Nash County's office handles its permits.