Brownville

Geography

Brownville is in eastern Middlesex County, less than from the Monmouth County line. The community is near the center of Old Bridge Township, and the community of Old Bridge borders Brownville to the west and south. U.S. Route 9 forms the western border of Brownville; the highway leads north to South Amboy and south to Freehold. County Route 516 crosses the center of Brownville, leading west to Route 18 in the western part of Old Bridge and east to the center of Matawan. The intersection known as Cottrell Corners is in the center of the Brownville CDP. According to the U.S. Census Bureau, the CDP has a total area of , of which , or 0.09%, are water. The community drains north toward Tennent Brook, a west-flowing tributary of the South River, part of the Raritan River watershed leading to New York Bay.

Race & ethnicity

Most-observed species

• American Robin

  Turdus migratorius Linnaeus, 1766 · Aves
  28,968
• Northern Cardinal

  Cardinalis cardinalis (Linnaeus, 1758) · Aves
  27,664
• Blue Jay

  Cyanocitta cristata (Linnaeus, 1758) · Aves
  26,073
• Mourning Dove

  Zenaida macroura (Linnaeus, 1758) · Aves
  25,821
• Song Sparrow

  Melospiza melodia (A.Wilson, 1810) · Aves
  25,320
• Canada Goose (canadensis Group)

  Branta canadensis (Linnaeus, 1758) · Aves
  24,551
• European Starling

  Sturnus vulgaris Linnaeus, 1758 · Aves
  23,160
• Red-winged Blackbird

  Agelaius phoeniceus (Linnaeus, 1766) · Aves
  18,297

Most recent

• M 2.8 — 2025-08-05
  1 km N of Hillsdale, New Jersey
• M 3 — 2025-08-03
  0 km W of Little Ferry, New Jersey
• M 2.9 — 2024-05-24
  6 km E of Califon, New Jersey
• M 2.6 — 2024-05-01
  1 km NW of Gladstone, New Jersey
• M 2.9 — 2024-04-27
  7 km WSW of Gladstone, New Jersey
• M 2.6 — 2024-04-10
  5 km WSW of Gladstone, New Jersey