Jefferson Hills is a borough in Allegheny County, Pennsylvania, with a population of approximately 12,424.
How Jefferson Hills Ranks
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Recent News
All news →NewsMAR 14, 2026
Person dead after house fire in Jefferson Hills
Person dead after house fire in Jefferson Hills WPXI
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NewsMAR 11, 2026
More restrictions planned on Route 51 in Jefferson Hills for Mon/Fayette Expressway work
More restrictions planned on Route 51 in Jefferson Hills for Mon/Fayette Expressway work WPXI
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NewsMAR 06, 2026
Lane restrictions coming to part of Rt. 51 in Jefferson Hills next week
Lane restrictions coming to part of Rt. 51 in Jefferson Hills next week CBS News
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Data & Analysis
Best Suburbs of Chicago to Live In 2026 — Data, Not Opinions
We scored 206 Chicago suburbs across fiscal health and quality of life using real municipal data — crime, taxes, schools, pensions, income, homeownership, and environmental quality. Winnetka, Lake Forest, and Glencoe top the list.