Counties with the most prewar homes in Pennsylvania

- Share of homes built prewar: 29.5%
- Total prewar homes: 16,370

- Share of homes built prewar: 29.9%
- Total prewar homes: 13,588

- Share of homes built prewar: 30.0%
- Total prewar homes: 4,189
- Share of homes built prewar: 31.0%
- Total prewar homes: 8,154

- Share of homes built prewar: 31.4%
- Total prewar homes: 2,004
- Share of homes built prewar: 31.8%
- Total prewar homes: 17,205
- Share of homes built prewar: 31.9%
- Total prewar homes: 16,018
- Share of homes built prewar: 32.0%
- Total prewar homes: 42,044

- Share of homes built prewar: 32.0%
- Total prewar homes: 9,237
- Share of homes built prewar: 32.3%
- Total prewar homes: 5,282

- Share of homes built prewar: 32.4%
- Total prewar homes: 5,208
- Share of homes built prewar: 33.0%
- Total prewar homes: 8,025

- Share of homes built prewar: 33.2%
- Total prewar homes: 5,894

- Share of homes built prewar: 33.7%
- Total prewar homes: 7,083

- Share of homes built prewar: 35.2%
- Total prewar homes: 843
- Share of homes built prewar: 35.6%
- Total prewar homes: 31,070

- Share of homes built prewar: 36.4%
- Total prewar homes: 13,596

- Share of homes built prewar: 37.0%
- Total prewar homes: 5,834

- Share of homes built prewar: 39.4%
- Total prewar homes: 254,919

- Share of homes built prewar: 43.4%
- Total prewar homes: 24,657
This story features data reporting and writing by Elena Cox and is part of a series utilizing data automation across 50 states.