Counties with the most prewar homes in Illinois
- Share of homes built prewar: 29.1%
- Total prewar homes: 2,196
- Share of homes built prewar: 29.2%
- Total prewar homes: 2,153
- Share of homes built prewar: 29.3%
- Total prewar homes: 4,065

- Share of homes built prewar: 29.3%
- Total prewar homes: 790
- Share of homes built prewar: 29.8%
- Total prewar homes: 2,981

- Share of homes built prewar: 30.0%
- Total prewar homes: 3,371
- Share of homes built prewar: 30.4%
- Total prewar homes: 6,123

- Share of homes built prewar: 30.5%
- Total prewar homes: 4,114

- Share of homes built prewar: 31.9%
- Total prewar homes: 620

- Share of homes built prewar: 32.6%
- Total prewar homes: 4,496
- Share of homes built prewar: 32.7%
- Total prewar homes: 6,290

- Share of homes built prewar: 33.1%
- Total prewar homes: 9,850

- Share of homes built prewar: 33.2%
- Total prewar homes: 2,106

- Share of homes built prewar: 33.4%
- Total prewar homes: 4,819

- Share of homes built prewar: 33.8%
- Total prewar homes: 2,304
- Share of homes built prewar: 34.6%
- Total prewar homes: 1,976
- Share of homes built prewar: 35.0%
- Total prewar homes: 7,205

- Share of homes built prewar: 35.0%
- Total prewar homes: 1,581

- Share of homes built prewar: 36.5%
- Total prewar homes: 2,302
- Share of homes built prewar: 36.6%
- Total prewar homes: 828
This story features data reporting and writing by Elena Cox and is part of a series utilizing data automation across 50 states.