Winchester is a city located in Lewis County Idaho. With a 2020 population of 515, it is the 126th largest city in Idaho and the 13181st largest city in the United States . Winchester is currently growing at a rate of 7.52% annually and its population has increased by 51.47% since the most recent census, which recorded a population of 340 in 2010. Winchester reached it's highest population of 515 in 2021. Spanning over 0 miles, Winchester has a population density of 2,921 people per square mile.
The average household income in Winchester is $49,437 with a poverty rate of 14.24%. The median rental costs in recent years comes to $590 per month, and the median house value is $127,200. The median age in Winchester is 52.8 years, 50.7 years for males, and 55 years for females.