| Johnson County, IA | (Not rural) | ||
| Change | |||
| 1980 | 1990 | 1980-90 | |
| County Population | 81,717 | 96,119 | 18% |
| %White | 96% | 93% | -3% |
| %Black | 2% | 2% | 1% |
| %Hispanic | 1% | 1% | 0% |
| %Under 18 | 22% | 20% | -2% |
| %65 years and over | 7% | 7% | 0% |
| %Under 6 | 8% | 8% | 0% |
| %Foreign Born | 2% | 5% | 4% |
| Education (% pop over 25) | |||
| % 0-8 years | 8% | 4% | -4% |
| % 9-11 years | 6% | 5% | -1% |
| %Completed H.S. | 28% | 21% | -6% |
| %Some College | 19% | 17% | -2% |
| %Bachelors or Graduate Degree | 39% | 44% | 5% |
| Persons over 25 | 42,200 | 53,053 | 26% |
| H.S. Dropout Rate | 4% | 3% | -1% |
| Labor Market Structure | |||
| Employed Persons | 44,055 | 54,591 | 24% |
| %Operators, Nonfarm Laborers and Service | 26% | 25% | -1% |
| %Professional & Technical | 29% | 31% | 2% |
| %Managers & Administrators | 9% | 10% | 1% |
| %Sales Workers | 8% | 10% | 2% |
| %Clerical | 17% | 15% | -1% |
| %Craft Workers | 8% | 6% | -2% |
| %Operators | 7% | 6% | -1% |
| %Nonfarm Laborers | 3% | 3% | 0% |
| %Service Workers | 16% | 17% | 0% |
| %Farm Workers | 4% | 3% | -1% |
| %Males Working less than 26 Weeks | 31% | 29% | -2% |
| Males 16 and Over | 32,077 | 38,667 | 21% |
| Poverty and Welfare | |||
| %Persons in Impoverished Families | 15% | 17% | 2% |
| %Whites in Poverty | 14% | 16% | 2% |
| %Blacks in Poverty | 33% | 36% | 2% |
| %Hispanics in Poverty | 27% | 20% | -7% |
| %Households Receiving Welfare or PA | 3% | 3% | 0% |
| Income | |||
| Aggregate Income | $459,056,870 | $976,248,515 | 113% |
| Number of Families | 17,941 | 20,478 | 14% |
| Average Family Income | $25,587 | $47,673 | 86% |
| Aggregate Wage and Salary Income | $477,533,375 | $1,036,076,403 | 117% |
| Wage and Salary Households | 26,096 | 31,406 | 20% |
| Average Wage and Salary Income | $18,299 | $32,990 | 80% |
| Aggregate Self-Employed Income | $52,414,815 | $87,015,579 | 66% |
| Self-Employed Households | 5,390 | 6,862 | 27% |
| Average Self-Employed Income | $9,724 | $12,681 | 30% |
| Aggregate Earned Income | $528,055,215 | $1,123,091,982 | 113% |
| Earned Income Households | 27,207 | 32,278 | 19% |
| Average Earned Income | $19,409 | $34,794 | 79% |
| Average Welfare Income per Household | $2,497 | $3,665 | 47% |
| Households Grouped by Income Level | |||
| Income Under $5,000 | 4,069 | 2,288 | -44% |
| Income of $5,000-9,999 | 4,908 | 3,665 | -25% |
| Income of $10,000-14,999 | 5,029 | 3,681 | -27% |
| Income of $15,000-24,999 | 7,677 | 6,559 | -15% |
| Income of $25,000-49,999 | 6,880 | 11,526 | 68% |
| Income over $50,000 | 1,594 | 8,399 | 427% |
| Source: U.S. Census | |||
| Last Update: 7/8/97 |