ZIP code 52556: Fairfield, IA

ZIP code 52556 is in Fairfield (76% of residents) and Maharishi Vedic City (2.4%), in Jefferson County, Iowa. 22% of its residents live outside city limits. It is in Iowa's 1st congressional district. Its state senate district is State Senate District 44; its state house districts are State House District 87 (92%) and State House District 88 (8.0%).

11,736residents (2020 Census)

175.5 sq miland area

2cities and towns

1congressional district

12voting precincts

See it on the map All of Iowa

City and county

City or town	Share of ZIP residents
Fairfield	76%
Maharishi Vedic City	2.4%

County	Share of ZIP residents
Jefferson County	100%

Town or county subdivision	Share of ZIP residents
Fairfield city	76%
Center township	10.0%
Buchanan township	4.4%
Cedar township	4.1%
Black Hawk township	1.5%
Liberty township	1.4%
Penn township	1.1%
Lockridge township	1.0%
Round Prairie township	0.8%
Locust Grove township	0.1%

Congressional district

Congressional district	Share of ZIP 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)		92%
State Representative (State House District 88)	Helena Hayes (R)		8.0%

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
Maharishi Vedic City website: http://maharishivediccity.net
Maharishi Vedic City laws: search for the Maharishi Vedic City, 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 ZIP residents
State Senate District 44	100%

State house district	Share of ZIP residents
State House District 87	92%
State House District 88	8.0%

Voting precincts

12 voting precincts overlap ZIP 52556. Map them, with each precinct's share of the ZIP's residents.

Get this in your AI agent

Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

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ZIP 52556 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.