Editing Brownville, New Jersey (section)

==Geography==
Brownville is in eastern Middlesex County, less than {{convert|2|mi|0}} from the [[Monmouth County, New Jersey|Monmouth County]] line. The community is near the center of Old Bridge Township, and the community of [[Old Bridge, New Jersey|Old Bridge]] borders Brownville to the west and south. [[U.S. Route 9]] forms the western border of Brownville; the highway leads north {{convert|5|mi|0}} to [[South Amboy, New Jersey|South Amboy]] and south {{convert|11|mi}} to [[Freehold Borough, New Jersey|Freehold]]. [[County Route 516 (New Jersey)|County Route 516]] crosses the center of Brownville, leading west {{convert|3.5|mi|1}} to [[New Jersey Route 18|Route 18]] in the western part of Old Bridge and east {{convert|4|mi|0}} to the center of [[Matawan, New Jersey|Matawan]]. The intersection known as [[Cottrell Corners, New Jersey|Cottrell Corners]] is in the center of the Brownville CDP.<ref>{{Cite web| url=https://mapper.acme.com/?ll=40.40314,-74.29582&z=14&t=U&marker0=40.40314%2C-74.29582%2C5.3%20km%20NW%20of%20Morganville%20NJ| title=Brownville NJ - U.S. Geological Survey topographic map series| publisher=ACME Mapper| access-date=July 11, 2024}}</ref>

According to the [[U.S. Census Bureau]], the CDP has a total area of {{convert|1.07|mi2|2}}, of which {{convert|0.001|mi2|3}}, or 0.09%, are water.<ref name="CenPopGazetteer2023"/> The community drains north toward Tennent Brook, a west-flowing tributary of the [[South River (Raritan River tributary)|South River]], part of the [[Raritan River]] watershed leading to [[New York Bay]].