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 Back to: IN, United States.  
County Population: 31,705 
County Houses: 13,386 
Land area: 361.4 sq. mi. 
Water area: 1.6 sq. mi. 
Industries providing employment: Manufacturing (28.0%), Educational,health and social services (22.7%), Retail trade (11.4%). 
Races in Jefferson County: 
- White Non-Hispanic (95.6%)
 
- Black (1.5%)
 
- Two or more races (1.1%)
 
- Hispanic (1.0%)
 
- American Indian (0.7%)
 
 (Total can be greater than 100% because Hispanics could be counted in other races)  
 
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