| ECONOMY | Warren, Iowa | United States |
| | 2.4% | 3.7% |
| | 2.7% | 1.6% |
| | 37.7% | 33.5% |
| | 7.0% | 6.2% |
| | 7.5% | 4.6% |
| | $33,013 | $31,177 |
| | $71,514 | $57,652 |
| | $84,355 | $70,850 |
| POPULATION BY OCCUPATION | | |
| | 1.5% | 1.3% |
| | 0.1% | 0.6% |
| | 8.8% | 6.2% |
| | 5.9% | 10.4% |
| | 3.1% | 2.7% |
| | 13.2% | 11.6% |
| | 5.1% | 4.1% |
| | 0.5% | 0.9% |
| | 2.0% | 2.1% |
| | 13.6% | 4.7% |
| Real estate, rental, leasing | 1.2% | 1.9% |