McPherson County
- Population
- 30,205
- Area
- 0.9 sq mi (2.33 km²), 0 sq mi water
- Median age
- 39.4
- Households
- 12,162
- Persons per household
- 2.3
- Median household income
- $78,851
- Median house value
- $211,200
Demographics: 2020–2024 ACS
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