Skip to main content
City Profile

Fairfield, Iowa

Population: 9,416 · 2 ZIP codes

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
9,416
People
Median age
40
Housing
Total households
4,115
Income
Median household income
$51,311
Housing
Total housing units
4,631
Employment
Employment rate
49.1%
Education
Bachelor’s degree or higher
52.9%
Healthcare
Insured population
90.8%
City details
Local time 00:50:15(CT)
LocationFairfield, IA
Population (ZIP areas)12,273(sum of local ZIP code populations)
Total ZIP codes2total
ZIP codes (by type)
2 Standard
CountyJefferson
Area code
TimezoneCentral Time (CT)
Coordinates41.024212788228745, -91.92757844413113
Land area175.8 sq miles(455,349,442 m²)

Map of Fairfield, Iowa with ZIP codes

Map of Fairfield, Iowa and ZIP codes

ZIP Codes in Fairfield

Explore the ZIP codes that make up Fairfield. Analyze key demographics and population stats for the region using the comprehensive table below.

ZIPType
Median incomeHousehold
Population (ZIP)
52556Standard$59,24311,736
52557Standard537

Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP type legend

  • Standard: residential and business delivery areas
  • PO BOX: primarily post office boxes; population may be unavailable
  • Unique: high-volume organizations (universities, agencies, etc.)

Nearby cities

Other cities near Fairfield, IA.

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS