Mission Trail Middle School in Johnson County, KS

Johnson County is home to 614,764 people spread across 244,777 households, making it a substantial metro-area county with the demographic stability of a mature suburb. Per the 2023 American Community Survey, the median household income is $107,261, and 57% of residents hold a bachelor's degree or higher. The median age of 38.3 reflects a population past young-family formation but far from retirement, and owner-occupied homes account for 69% of the housing stock. These figures sketch a county anchored by established households and college-educated professionals.

Home values and rental costs both track well above national medians. As of the 2023 Census estimate, the median home value stands at $366,000, while renters pay a median of $1,385 monthly. Activity in the sales market over the last 30 days shows a median price of $465,000 with homes spending a median of 18 days on market and selling at 101% of listing price, indicating steady demand. Year-to-date, the county has recorded 6,107 closed sales at a median price of $475,000. For those considering a move, the mean commute time of 20.7 minutes keeps travel reasonable, and new construction continues at a modest pace—202 single-family permits issued in July 2026, part of a total 417 building permits for the month.