NOTE: Gray indicates insufficient data or a suppressed estimate.
Zip codes in northern Louisiana, particularly in the rural northwest and north-central regions, tend to skew older with median ages frequently reaching 50–60, while the southern portion of the state displays more variability with pockets of younger populations near major urban centers like Baton Rouge and New Orleans. University-adjacent zip codes stand out as stark outliers, with deep purple shading indicating median ages near 20, likely corresponding to areas around LSU, Tulane, and other college campuses. The central and southwestern parishes generally cluster in the 35–45 range, forming a moderate-age transitional band between the older rural north and the demographically diverse southeast.
Data: U.S. Census Bureau, 2023 ACS
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