| Black Hawk County, IA | (Not rural) | ||
| Change | |||
| 1980 | 1990 | 1980-90 | |
| County Population | 137,961 | 123,798 | -10% |
| %White | 93% | 92% | -1% |
| %Black | 6% | 7% | 1% |
| %Hispanic | 1% | 1% | 0% |
| %Under 18 | 28% | 25% | -3% |
| %65 years and over | 10% | 14% | 3% |
| %Under 6 | 9% | 8% | -1% |
| %Foreign Born | 0% | 1% | 1% |
| Education (% pop over 25) | |||
| % 0-8 years | 14% | 8% | -6% |
| % 9-11 years | 13% | 12% | 0% |
| %Completed H.S. | 43% | 40% | -4% |
| %Some College | 15% | 16% | 1% |
| %Bachelors or Graduate Degree | 15% | 17% | 2% |
| Persons over 25 | 75,876 | 75,401 | -1% |
| H.S. Dropout Rate | 8% | 7% | -1% |
| Labor Market Structure | |||
| Employed Persons | 62,408 | 56,595 | -9% |
| %Operators, Nonfarm Laborers and Service | 36% | 32% | -3% |
| %Professional & Technical | 15% | 17% | 2% |
| %Managers & Administrators | 8% | 9% | 1% |
| %Sales Workers | 10% | 12% | 3% |
| %Clerical | 16% | 16% | 0% |
| %Craft Workers | 14% | 11% | -3% |
| %Operators | 17% | 12% | -5% |
| %Nonfarm Laborers | 5% | 4% | -1% |
| %Service Workers | 14% | 17% | 3% |
| %Farm Workers | 2% | 2% | 0% |
| %Males Working less than 26 Weeks | 28% | 34% | 6% |
| Males 16 and Over | 49,434 | 44,509 | -10% |
| Poverty and Welfare | |||
| %Persons in Impoverished Families | 9% | 15% | 6% |
| %Whites in Poverty | 7% | 13% | 6% |
| %Blacks in Poverty | 34% | 43% | 9% |
| %Hispanics in Poverty | 10% | 26% | 16% |
| %Households Receiving Welfare or PA | 7% | 8% | 1% |
| Income | |||
| Aggregate Income | $881,314,165 | $1,227,168,244 | 39% |
| Number of Families | 35,542 | 32,489 | -9% |
| Average Family Income | $24,796 | $37,772 | 52% |
| Aggregate Wage and Salary Income | $818,767,970 | $1,088,489,889 | 33% |
| Wage and Salary Households | 38,898 | 34,634 | -11% |
| Average Wage and Salary Income | $21,049 | $31,428 | 49% |
| Aggregate Self-Employed Income | $79,112,190 | $82,844,017 | 5% |
| Self-Employed Households | 6,222 | 6,844 | 10% |
| Average Self-Employed Income | $12,715 | $12,105 | -5% |
| Aggregate Earned Income | $890,646,800 | $1,171,333,906 | 32% |
| Earned Income Households | 40,386 | 35,834 | -11% |
| Average Earned Income | $22,053 | $32,688 | 48% |
| Average Welfare Income per Household | $2,579 | $4,070 | 58% |
| Households Grouped by Income Level | |||
| Income Under $5,000 | 4,898 | 3,078 | -37% |
| Income of $5,000-9,999 | 6,500 | 5,802 | -11% |
| Income of $10,000-14,999 | 6,365 | 5,026 | -21% |
| Income of $15,000-24,999 | 14,289 | 9,103 | -36% |
| Income of $25,000-49,999 | 14,049 | 15,581 | 11% |
| Income over $50,000 | 2,093 | 8,572 | 310% |
| Source: U.S. Census | |||
| Last Update: 7/8/97 |