2025 Compare Cities Overview:
San Marcos, TX vs Johnston, IA

Are people in Johnston older or younger than people in San Marcos?
- The Median Age in Johnston is 12.8 years older than in San Marcos.

Are housing costs cheaper in Johnston or San Marcos?
- Johnston housing costs are 3.8% more expensive than San Marcos housing costs.

Which city has a longer commute, Johnston or San Marcos?
- The average commute for residents of Johnston is 1.7 minutes shorter than it is for residents of San Marcos.

Things to do in San Marcos?
San Marcos, Texas is a vibrant city located in the heart of Hays County. This welcoming community offers plenty for visitors to explore such as the Wonder World Cave or one of many popular restaurants. Residents here also take advantage of all the outdoor activities available at Rio Vista Park, Aquarena Springs and Purgatory Creek Natural Area. With its excellent school systems, thriving businesses, and numerous recreational opportunities it's no wonder why so many people choose to make San Marcos their home.

Things to do in Johnston?
Johnston is located in Polk County, Iowa, and is part of the Des Moines-West Des Moines metropolitan area. With a population of 20,619, it is the third largest city in Iowa's Polk County. Johnston features many recreational amenities like parks and trails as well as numerous educational facilities such as the Johnston Public Library and Johnston High School.