Iowa Legislative Datasets
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Weekly snapshots of all bill, vote and legislator data for each session are created Sunday mornings with updated information on an as-needed basis. Provided in simple comma-separated values files for general bill data, or the most complete form packaged as LegiScan API JSON payloads. Current year data is below, for a complete historical list of session files select an individual state above.
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Legislative Datasets by LegiScan LLC is licensed under CC BY 4.0
| State | Year | Session | Modified | Exported | API JSON | CSV Basic |
|---|---|---|---|---|---|---|
| Iowa | 2025-2026 | 91st General Assembly | 2026-06-02 | 2026-06-07 | JSON 8.9 MB | CSV 1.2 MB |
| Iowa | 2023-2024 | 90th General Assembly | 2024-05-24 | 2024-08-18 | JSON 7.1 MB | CSV 1.1 MB |
| Iowa | 2021-2022 | 89th General Assembly | 2022-06-30 | 2022-10-09 | JSON 6.3 MB | CSV 998 KB |
| Iowa | 2019-2020 | 88th General Assembly | 2020-07-31 | 2021-12-31 | JSON 5.7 MB | CSV 806 KB |
| Iowa | 2017-2018 | 87th General Assembly | 2018-06-01 | 2021-12-31 | JSON 5.1 MB | CSV 805 KB |
| Iowa | 2015-2016 | 86th General Assembly | 2016-05-16 | 2021-12-31 | JSON 4.5 MB | CSV 670 KB |
| Iowa | 2013-2014 | 85th General Assembly | 2014-05-30 | 2021-12-31 | JSON 4.1 MB | CSV 472 KB |
| Iowa | 2011-2012 | 84th General Assembly | 2012-06-07 | 2021-12-31 | JSON 3.3 MB | CSV 387 KB |
| Iowa | 2009-2010 | 83rd General Assembly | 2010-04-29 | 2021-12-31 | JSON 3.1 MB | CSV 336 KB |
