| Jefferson County, IA | |||
| Change | |||
| 1980 | 1990 | 1980-90 | |
| County Population | 16,316 | 16,310 | 0% |
| %White | 98% | 98% | 0% |
| %Black | 1% | 1% | 0% |
| %Hispanic | 1% | 1% | 0% |
| %Under 18 | 25% | 25% | 0% |
| %65 years and over | 15% | 15% | 0% |
| %Under 6 | 8% | 8% | 1% |
| %Foreign Born | 3% | 4% | 1% |
| Education (% pop over 25) | |||
| % 0-8 years | 16% | 8% | -8% |
| % 9-11 years | 10% | 10% | 0% |
| %Completed H.S. | 42% | 34% | -8% |
| %Some College | 14% | 16% | 2% |
| %Bachelors or Graduate Degree | 19% | 26% | 8% |
| Persons over 25 | 10,219 | 11,209 | 10% |
| H.S. Dropout Rate | 16% | 9% | -8% |
| Labor Market Structure | |||
| Employed Persons | 7,469 | 7,949 | 6% |
| %Operators, Nonfarm Laborers and Service | 32% | 26% | -6% |
| %Professional & Technical | 13% | 18% | 5% |
| %Managers & Administrators | 9% | 13% | 4% |
| %Sales Workers | 9% | 11% | 2% |
| %Clerical | 14% | 14% | 0% |
| %Craft Workers | 12% | 12% | 0% |
| %Operators | 17% | 11% | -6% |
| %Nonfarm Laborers | 3% | 3% | -1% |
| %Service Workers | 12% | 12% | 0% |
| %Farm Workers | 11% | 7% | -4% |
| %Males Working less than 26 Weeks | 31% | 30% | -2% |
| Males 16 and Over | 6,201 | 6,141 | -1% |
| Poverty and Welfare | |||
| %Persons in Impoverished Families | 12% | 14% | 2% |
| %Whites in Poverty | 12% | 14% | 2% |
| %Blacks in Poverty | 64% | 17% | -47% |
| %Hispanics in Poverty | 75% | 0% | -75% |
| %Households Receiving Welfare or PA | 7% | 6% | -2% |
| Income | |||
| Aggregate Income | $80,845,500 | $148,738,365 | 84% |
| Number of Families | 4,171 | 4,271 | 2% |
| Average Family Income | $19,383 | $34,825 | 80% |
| Aggregate Wage and Salary Income | $61,082,680 | $111,677,652 | 83% |
| Wage and Salary Households | 4,019 | 4,476 | 11% |
| Average Wage and Salary Income | $15,198 | $24,950 | 64% |
| Aggregate Self-Employed Income | $15,679,745 | $24,990,597 | 59% |
| Self-Employed Households | 1,750 | 1,958 | 12% |
| Average Self-Employed Income | $8,960 | $12,763 | 42% |
| Aggregate Earned Income | $76,057,405 | $136,668,249 | 80% |
| Earned Income Households | 4,564 | 5,040 | 10% |
| Average Earned Income | $16,665 | $27,117 | 63% |
| Average Welfare Income per Household | $2,682 | $3,770 | 41% |
| Households Grouped by Income Level | |||
| Income Under $5,000 | 918 | 461 | -50% |
| Income of $5,000-9,999 | 1,040 | 879 | -15% |
| Income of $10,000-14,999 | 1,058 | 661 | -38% |
| Income of $15,000-24,999 | 1,550 | 1,366 | -12% |
| Income of $25,000-49,999 | 978 | 2,235 | 129% |
| Income over $50,000 | 138 | 675 | 389% |
| Source: U.S. Census | |||
| Last Update: 7/8/97 |