Richwood Texas is a small town which is located about an hour away from both Houston and Galveston. Technically Richwood is considered part of the Houston metropolitan area but it is far enough away that basically none of the city traffic is seen in the town. Richwood is also quite close to the Gulf of Mexico which gives it a unique location when compared to most other towns in the same area. Depending on how close you would like to live to a big city like Galveston or Houston Richwood may be a great place or a horrible place; since it is not exactly a short drive to either of them.
As far as the size of the city goes Richwood is actually quite small; the entire town only occupies about one and a half square miles which makes it very small. Within that small area there are around 3,500 residents, which gives the city a fairly low population density. Don't automatically assume that the low population density will lead to parks and open areas though because the lack of land in the town makes it difficult to have any major or large parks.
Otherwise the city of Richwood is pretty much standard in all ways imaginable. Around half of the population is made up of married couples and 40% of the population is made up of families with children. This shows that Richwood is a great place for families or young couples to live so it may fit well with your needs. Housing and apartments are always available as well since nearly all of the land is used for residential purposes; the one downside to this is that there are not any businesses, shops, or restaurants immediately nearby. Fortunately there are dozens of surrounding towns that make it easy to find basically anything you need without having to drive more than 10 or 15 minutes. The convenience of having so many other suburban cities nearby makes Richwood quite popular as does the close proximity to the Gulf of Mexico. As long as you are not concerned about living in close proximity to a large city like Houston then Richwood is a great option; if you want to be able to easily commute to Houston then there are probably other cities that are a little bit closer that would fit your needs better. Either way you should definitely consider Richwood for your next home.