Fairfield, IA

Single-footprint Census roll-up for Fairfield, IA: 2 USPS ZIPs, population 13,332. Open the primary ZIP for household income, housing tenure, and commute from ACS 2023 5-Year Estimates.

U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage

ACS city ledger plate

Sheet FAIRFIELD-IA · Fairfield, IA 2 ZIPs · 13,332 pop · #18216/25278 · Jefferson County

INC-MID · RANK-LOWER · BELOW-PEER · BOOK-FEW · OWN-LOW · POP-TOWN · SPREAD-UNK · HOME-LOW

  • INC-MID $59,243
  • RANK-LOWER #18216/25278
  • BELOW-PEER under Batavia
  • BOOK-FEW 2 ZIPs
  • OWN-LOW 64% owners
  • POP-TOWN 13,332
  • SPREAD-UNK Single-ZIP book
  • HOME-LOW $166,800

Nearest income peer: Batavia, IA (+ $3,556 income $)

Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.

Income neighbourhood around Fairfield

Lowest/highest poles plus county-sharing cities nearest Fairfield on average ZIP median household income. Full ladder: /cities.

median HH income

What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2026-08-25

National city placement

According to ACS 5-Year Estimates, Fairfield, IA sits among US cities with a below-median household income, on a town-scale population base, across a handful of delivery areas.

28th pct
household income vs 25,278 US cities
13,332
city population (Census)
2
USPS ZIP codes covered
$59,243
avg ZIP median income

Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.

Below-median income with few delivery areas (2): read cost-of-living from the primary ZIP. Household income $59,243 and poverty 16.8% concentrate in 52556.

Owner-occupancy is comparatively low (63.6%) for this income tier, rent $878 may matter more than the home-value average.

Within Iowa, Elk Horn is the closest lower-income city and Baldwin the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Fairfield.

Population concentration

ZIP 52556 swallows Fairfield's short list

Across only 2 ZIPs, 52556 still holds about 99% of Fairfield's 13,332 residents. The secondary codes are thin edges; treat the city average as a near-reprint of the lead ZIP.

Census ZBP business roll-up

Employer-heavy short list in Fairfield

Citywide ZBP: 559 establishments, 6,665 employees , annual payroll $347,707k (~42 establishments per 1,000 residents) across 2 of 2 ZIPs. Peak business ZIP 52556 (552 units) ; leading NAICS Professional, scientific, and technical services (112) · also Retail trade · Other services (except public administration) .

View your shortlist →

ZIP Codes in Fairfield, IA

These ZIP codes sit in Jefferson County, which covers 6 ZIP codes in all; 2 of them fall in Fairfield. See the Jefferson County roll-up →

Fairfield sits in the lower half of Jefferson County on income: Batavia, Lockridge and Libertyville report more, and only Packwood reports less. Libertyville marks the far end of that range at $81,985, 38% above Fairfield.

Side-by-side: Compare 52556 vs 52557 →

ZIP Code Population Median income Establishments Density
52556 13,247 $59,243 552 29
52557 85 n/a 7 732

Fairfield roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving Fairfield, .