City of La Porte, IN -- a thriving city in NW Indiana with a population of approximately 23,000 La Porte is the county seat of La Porte County. It has a diverse climate, with 4 distinct seasons and numerous lakes, making it a great area for outdoor recreation. La Porte is proud to have over a dozen parks, athletic fields and tot lots just right for relaxing, recreation, family gatherings, concerts and special events. Seven lakes are inside our borders, for fishing, boating, or just enjoying.