New Jersey, the Garden State, covers approximately 4.8 million acres of diverse landscape. In this comprehensive guide, we'll explore exactly how many acres the state of New Jersey encompasses, break down its major landmarks' acreage, and provide practical conversion tools for understanding land measurements.
New Jersey's complete land area
Understanding how many acres New Jersey covers provides essential context for real estate, agricultural planning, environmental conservation, and recreational use. As the fourth-smallest state by area but the most densely populated, New Jersey's land usage tells a fascinating story of urban development, preserved wilderness, and everything in between.
New Jersey's total acreage represents approximately 0.17% of the entire United States land area. Despite its small size, it contains some of the nation's most valuable real estate per acre and unique ecosystems like the Pine Barrens.
According to the U.S. Geological Survey and 2025 data, New Jersey encompasses approximately 4,813,640 acres (7,521 square miles). This includes both land and water areas within state boundaries.
To visualize New Jersey's size:
Baldpate Mountain, part of the Ted Stiles Preserve in Mercer County, covers approximately 1,100 acres. This preserved area includes forests, fields, and the highest point in Mercer County at 480 feet above sea level.
Six Flags Great Adventure & Safari in Jackson occupies roughly 510 acres, making it one of the largest amusement park complexes in the world. The breakdown includes:
The New Jersey Pine Barrens, also known as the Pinelands, is one of the largest protected wilderness areas on the Eastern Seaboard, covering approximately 1.1 million acres (about 1,700 square miles). This represents nearly 22% of New Jersey's total land area.
Convert Pine Barrens acreage to other units:
Use this table to understand how New Jersey's acreage converts to other measurement units:
| Measurement | Total New Jersey | Pine Barrens Only | Six Flags GA |
|---|---|---|---|
| Acres | 4,813,640 | 1,100,000 | 510 |
| Square Feet | 209,682,158,400 | 47,916,000,000 | 22,215,600 |
| Square Miles | 7,521 | 1,719 | 0.80 |
| Square Kilometers | 19,480 | 4,452 | 2.06 |
| Hectares | 1,948,000 | 445,154 | 206 |
| Football Fields* | 8,923,407 | 2,037,037 | 945 |
Understanding how many square acres New Jersey covers requires knowing how to convert between different land measurement units. Here's a simple guide:
To find how many square acres is New Jersey:
7,521 square miles × 640 acres/square mile = 4,813,440 acres
(Slight variations occur due to survey methods and coastal changes.)
Use our specialized calculators for precise land measurements:
New Jersey demonstrates one of the highest land values per acre in the United States. While the state contains only 4.8 million acres, its strategic location between New York City and Philadelphia creates extraordinary land value:
New Jersey covers approximately 4.8 million acres (4,813,640 acres) including both land and water areas.
Six Flags Great Adventure & Safari occupies about 510 acres, with 350 acres dedicated to the safari experience alone.
The New Jersey Pine Barrens covers approximately 1.1 million acres, representing about 22% of the state's total land area.
New Jersey encompasses 4,813,640 acres, which converts to 7,521 square miles or 209.7 billion square feet.
New Jersey is the 4th smallest state by acreage, larger only than Connecticut, Delaware, and Rhode Island.
Approximately 30% of New Jersey's land (about 1.4 million acres) is protected as federal, state, or county parkland.
New Jersey has about 750,000 acres of farmland, representing approximately 15% of the state's total land area.
Last updated: December 11, 2025 | Data sourced from USGS, NJDEP, and Six Flags annual reports