PlainZIP

Saint Augustine, IL

Single-footprint Census roll-up for Saint Augustine, IL: 1 USPS ZIP, population 292. 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 SAINT-AUGUSTINE-IL · Saint Augustine, IL 1 ZIPs · 292 pop · #18046/25278 · Knox County

INC-MID · RANK-LOWER · BELOW-PEER · BOOK-ONE · OWN-HIGH · POP-VILLAGE · SPREAD-UNK · HOME-LOW

  • INC-MID $59,583
  • RANK-LOWER #18046/25278
  • BELOW-PEER under Abingdon
  • BOOK-ONE 1 ZIP
  • OWN-HIGH 94% owners
  • POP-VILLAGE 292
  • SPREAD-UNK Single-ZIP book
  • HOME-LOW $79,100

Nearest income peer: Abingdon, IL (+ $3,342 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 Saint Augustine

Lowest/highest poles plus county-sharing cities nearest Saint Augustine 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, Saint Augustine, IL sits among US cities with a below-median household income, on a village-scale population base, across a single-ZIP footprint.

29th pct
household income vs 25,278 US cities
292
city population (Census)
1
USPS ZIP codes covered
$59,583
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 (1): read cost-of-living from the primary ZIP. Household income $59,583 and poverty 16.7% concentrate in 61474.

Owner-occupancy here runs high (93.5%) - tenure is stable enough that the ZIP detail's owner share is the right next click, not a renter-heavy compare.

Within Illinois, Milledgeville is the closest lower-income city and Thornton the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Saint Augustine.

Population concentration

Saint Augustine's single ZIP 61474 carries the town

Saint Augustine is published as a single USPS ZIP. Code 61474 is the entire residential footprint (292 ACS residents), so the city page and the ZIP page tell the same household story, open that ZIP for income, tenure, and commute detail.

Census ZBP business roll-up

Sparse ZBP book inside single-ZIP Saint Augustine

Citywide ZBP: 3 establishments, 27 employees , annual payroll $900k (~10 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 61474 (3 units) .

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ZIP Codes in Saint Augustine, IL

These ZIP codes sit in Knox County, which covers 16 ZIP codes in all; 1 of them fall in Saint Augustine. See the Knox County roll-up →

Saint Augustine sits in the lower half of Knox County on income: Abingdon, Knoxville and Wataga report more, Galesburg and Altona report less. Williamsfield marks the far end of that range at $98,125, 65% above Saint Augustine.

ZIP Code Population Median income Establishments Density
61474 292 $59,583 3 4
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Saint Augustine 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 Saint Augustine, .