Lunbei lies on the alluvial plain of the Zhuoshui River at 7–20 m (23–66 ft) above sea level.[2] As of June 2024, it has a population total of 22,777 people, and an area of 58.4840 square kilometers.
The township grows watermelon and cantaloupe all year round. In 2002, the township had 58 dairy farms raising about 10,000 cows with several tones of annual milk production. The total annual dairy product production is around NT$500 to NT$600 million.[2] The township also produces chicken from its farms.[3]
