Weir is a city located in Mississippi. With a 2020 population of 440, it is the 220th largest city in Mississippi and the 13874th largest city in the United States. Weir is currently declining at a rate of -0.23% annually and its population has decreased by -4.14% since the most recent census, which recorded a population of 459 in 2010. Weir reached it's highest population of 460 in 2010. Spanning over 1 miles, Weir has a population density of 419 people per square mile.
The average household income in Weir is $42,903 with a poverty rate of 41.15%. The median rental costs in recent years comes to $673 per month, and the median house value is $58,900. The median age in Weir is 30.1 years, 22.8 years for males, and 48.1 years for females. For every 100 females there are 175.3 males.