RANKING · 2010 CENSUS · 500 SHOWN OF 3,108
Oldest housing stock, US counties · 2010
US counties ranked by oldest median year of construction (2023 ACS). Antelope County, Nebraska leads at 1940. 3,108 counties qualify in total. Nebraska carries 8 of the top 25 entries.
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RANKPLACESTATEPOPMEDIAN YEAR BUILTVS 2000
UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES
Frequently asked
Which county has the lowest median year built?
Antelope County, Nebraska ranks #1 with 1940 (2010 American Community Survey).
What are the top 5 counties by median year built?
Antelope County, Nebraska, Schuylkill County, Pennsylvania, Adams County, Iowa, Furnas County, Nebraska, Jefferson County, Nebraska.
How many counties are in this ranking?
3,108 counties qualify after filtering for population minimums and data availability. The ranking covers 2010 ACS 5-year data.
How is median year built measured?
Median year that housing structures were built. Source: US Census Bureau, American Community Survey 5-year estimates (2010).