Fairfield, Iowa
Fairfield is a city in Jefferson County, Iowa, with 9,416 residents in 2020. It is in Iowa's 1st congressional district. Its state senate district is State Senate District 44; its state house district is State House District 87.
County
| County | Share of residents |
|---|---|
| Jefferson County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| Iowa's 1st congressional district (IA-01) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (IA-01) | Mariannette Miller-Meeks (R) | 202-225-6576 | 100% |
| U.S. Senator | Chuck Grassley (R) | 202-224-3744 · contact form | statewide |
| U.S. Senator | Joni Ernst (R) | 202-224-3254 · contact form | statewide |
| State Senator (State Senate District 44) | Adrian Dickey (R) | 100% | |
| State Representative (State House District 87) | Jeff Shipley (R) | 100% |
Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).
Local government
- Fairfield website: http://www.fairfieldiowa.com/
- Fairfield laws: search for the Fairfield, Iowa code of ordinances
- Jefferson County website: https://jeffersoncounty.iowa.gov
- Jefferson County laws: search for the Jefferson County, Iowa code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 44 | 100% |
| State house district | Share of residents |
|---|---|
| State House District 87 | 100% |
ZIP codes
Percentages mark ZIPs only partly in Fairfield: the share of that ZIP's residents living in it.
Get this in your AI agent
Your agent can get Fairfield's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:place:1926445")
Fairfield here is the Census Bureau's place boundary as of January 1, 2025. Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.