North Carolina · FIPS 37133 · County seat: Jacksonville
Onslow County, NC GIS & Parcel Viewer
Here is the direct link to the county parcel map covering Onslow County, NC: the Onslow County parcel map. Below you'll find basic facts about the county, steps for using the viewer, and nearby counties.
Open the Onslow County parcel map ↗
Opens maps.onslowcountync.gov in a new tab. We link out and never embed or copy parcel data.
Map and county facts
| Official map | Onslow County parcel map |
|---|---|
| Type | County-run map |
| Website | maps.onslowcountync.gov |
| Access | Free, no login (checked Oct 2026) |
| County seat | Jacksonville |
| Population | 213,676 (2023 Census Bureau estimate) |
| Land area | 762 sq mi |
| FIPS code | 37133 |
Who runs this map
Onslow County runs this viewer (directly or through a contracted vendor), which makes it the closest thing to the source for local parcel lines. Our October 2026 check found the map open to the public, with no account or payment needed.
Searching for a parcel, step by step
- Open the official link in a new tab.
- Accept any disclaimer, then look for a search box that takes street addresses, owners or parcel IDs.
- Zoom in and click a parcel to see its details.
- Use the map's layer controls to add aerials or other layers if they're offered.
Many parcel sites expect owner names last name first. If a full name finds nothing, try just the surname.
Onslow County by the numbers
Census Bureau figures put Onslow County at about 213,676 people (2023 estimate) on roughly 762 square miles of land, which is about 280 residents per square mile. Among North Carolina's 100 counties, it is the 13th largest by population. Census maps also count about 143 square miles of water inside its boundary. Its county seat is Jacksonville.
Nearby parcel maps
If the property sits near a county line, the parcel may belong to a neighbor. These counties border Onslow County:
Before you rely on the lines
Online parcel lines are drawn for tax and planning use. They can be off by several feet, so use a recorded plat or a licensed surveyor for fences, setbacks or a sale.