Ione is a city located in Washington. With a 2020 population of 484, it is the 240th largest city in Washington and the 13458th largest city in the United States. Ione is currently growing at a rate of 1.26% annually and its population has increased by 8.28% since the most recent census, which recorded a population of 447 in 2010. Ione reached it's highest population of 484 in 2021. Spanning over 1 miles, Ione has a population density of 912 people per square mile.
The average household income in Ione is $48,799 with a poverty rate of 20.80%. The median rental costs in recent years comes to $600 per month, and the median house value is $134,700. The median age in Ione is 46.2 years, 46.9 years for males, and 41.4 years for females. For every 100 females there are 79.4 males.