Washington County and Its Homes
Washington County shrank 3 percent from 2020 to 2025, to 10,638 people by the Census Bureau's estimate, in about 6,000 housing units.
Its three incorporated towns each have a page here: Plymouth, Roper and Creswell. About 40 percent of Washington County's housing units are inside town limits, the rest in unincorporated areas.
Washington County at a Glance
- Population: 10,638 (2025), 10,976 (2020)
- Housing units: about 6,000
- Median year built: 1975 (North Carolina: 1991)
- Detached houses: 67%
- Mobile homes: 24%
- Owner-occupied: 68%
- Climate zone: 3 on both maps
- Towns with pages here: 3
Census Bureau estimates for Washington County (housing: 2020 to 2024).
What We Do in Washington County
Attic Insulation in Washington County
Joists showing above the insulation in a Washington County attic mean more blown-in fiberglass is due, R-49 from bare.
Attic Insulation Removal in Washington County
Wet, moldy or animal-soiled insulation comes out of Washington County attics, and a mouse-soiled Washington County attic is sanitized and deodorized; in the 21 percent of homes built before 1960, vermiculite is ruled out first.
Air Sealing in Washington County
The ceiling's gaps and the duct joints of a Washington County attic are sealed before new insulation.
Homes in Washington County
Half of Washington County's 6,000 housing units were built before 1975: 37 percent before 1970 (22 percent statewide). The largest share went up in the 1970s; fiberglass from those years may have settled, so check its depth against the joists.
Washington County by type: 67 percent detached houses, 9 percent in buildings of two or more homes and 24 percent mobile homes (11 percent statewide). In Washington County, 4 percent of homes heat with piped gas and 22 percent with tank gas (6 percent statewide).
Washington County Homes by Year Built
- Before 1940: about 480 units, 8% (±3)
- 1940s: about 220 units, 4% (±2)
- 1950s: about 570 units, 9% (±3)
- 1960s: about 940 units, 16% (±3)
- 1970s: about 1,540 units, 25% (±4)
- 1980s: about 970 units, 16% (±4)
- 1990s: about 510 units, 8% (±3)
- 2000s: about 620 units, 10% (±3)
- 2010s: about 180 units, 3% (±2)
- 2020 or later: about 10 units, 0% (±1)
Climate Across Washington County
NOAA 1991 to 2020 normals for Washington County towns, by station: Plymouth 5 E station (Plymouth and Roper): about 2,840 heating and 1,800 cooling degree days; Edenton station (Creswell): about 2,870 heating and 1,840 cooling degree days.
Power and Gas in Washington County
The card lists Washington County's town utilities by the territory maps; a power bill confirms the one at an address.
Piedmont Natural Gas holds the Washington County gas franchise (NC Utilities Commission map), and 4 percent of Washington County homes heat with piped gas.
Who Supplies Power in Washington County
- Dominion Energy North Carolina: Plymouth, Roper and Creswell
- Tideland EMC: homes near Plymouth, Roper and Creswell
Energy Programs for Washington County Homes
Check each program's current terms for a Washington County home; some pay only through the utility's contractor network.
Programs for Washington County
- Home Energy Evaluation (Dominion Energy rebate; Plymouth, Roper and Creswell).
- Income and Age Qualifying Home Improvements (Dominion Energy income-qualified; Plymouth, Roper and Creswell).
- Energy Saver North Carolina (statewide income-qualified; any Washington County address).
- Weatherization Assistance Program (statewide income-qualified; any Washington County address).
- Piedmont Natural Gas lists rebates for high-efficiency gas furnaces, and none for insulation or air sealing (program page).
Washington County Insulation FAQs
Do you serve all of Washington County?
Yes: Plymouth, Roper and Creswell, and every unincorporated Washington County address.
Which utilities offer insulation rebates in Washington County?
Dominion Energy's Home Energy Evaluation (Plymouth, Roper and Creswell).
Does attic insulation in Washington County need a permit?
Ask Washington County Planning & Inspections before work starts. For an address in Plymouth, Roper or Creswell, the town or city hall can tell you whether Washington County's office handles its permits.
Counties Near Washington County
Chowan County · Tyrrell County · Perquimans County · Bertie County · Beaufort County · All service areas
Washington County, NC
Open in Google Maps (opens in a new tab)Insulation Pros in Washington County
An insulation contractor serving North Carolina, Washington County included.
Send the square footage of your Washington County attic, or call (336) 870-3893.