| Name | Status | Population census 1990-04-01 | Population census 2000-04-01 | Population census 2010-04-01 | |
|---|---|---|---|---|---|
| Butler | County | 15,731 | 15,307 | 14,867 | o |
| Iowa | Federal State | 2,776,831 | 2,926,538 | 3,046,355 |
| Name | Status | County | Population census 1990-04-01 | Population census 2000-04-01 | Population census 2010-04-01 | |
|---|---|---|---|---|---|---|
| Allison | City | Butler | 948 | 1,010 | 1,029 | o |
| Aplington | City | Butler | 1,135 | 1,056 | 1,128 | o |
| Aredale | City | Butler | 93 | 88 | 74 | o |
| Bristow | City | Butler | 197 | 202 | 160 | o |
| Clarksville | City | Butler | 1,377 | 1,440 | 1,439 | o |
| Dumont | City | Butler | 700 | 678 | 637 | o |
| Greene | City | Butler / Floyd | 1,139 | 1,105 | 1,130 | o |
| New Hartford | City | Butler | 694 | 659 | 516 | o |
| Parkersburg | City | Butler | 1,810 | 1,895 | 1,870 | o |
| Shell Rock | City | Butler | 1,398 | 1,287 | 1,296 | o |
Source: US Census Bureau (web).
2000 and 2010 population of incorporated places in the boundaries of 2010.
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