St. Joseph, IL ZIP Codes

One ZIP code serves St. Joseph, Illinois: 61873. Together they are home to 5,779 residents in 2,203 households. That is more than the 3,778 people counted inside St. Joseph village limits, because these ZIP codes reach past its boundary.

St. Joseph village limits (Census)

MeasureCensus figure
Residents3,778
Households1,462
Median household income$120,789
Median home value$270,900
Median age37.9
Median rent$968

All 1 ZIP codes together

MeasureValue
Residents (sum of ZIP codes)5,779
Households (sum of ZIP codes)2,203
Median household income, range across ZIP codes$117,578 (61873) to $117,578 (61873)
Household-weighted average of ZIP medians (an approximation, not a true median)$117,578
Homeowners83.6%
Households with kids under 1832.2%
Moved in the past year5.0%
Carrier routes in EDDM2GO's route librarynot loaded yet

Every ZIP code in St. Joseph

ZIPMailing cityResidentsHouseholdsMedian incomeHome valueHomeownersWith kidsNew moversCarrier routesMailboxesWhy listed
61873Saint Joseph5,7792,203$117,578$265,40083.6%32.2%5.0%——3% of its land

A ZIP code is listed for St. Joseph when at least 10% of its land lies inside St. Joseph village limits, when it holds at least 10% of the place's land, or when its USPS mailing city is St. Joseph. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside St. Joseph.

Counties

Price a mailing to St. Joseph ZIP codes

EDDM guides

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Frequently asked questions

What ZIP codes are in St. Joseph, IL?
61873. A ZIP code is listed for St.
What is the population of St. Joseph, IL?
The Census Bureau counts 3,778 residents inside St. Joseph village limits (ACS 2020–2024). The 1 ZIP code that serve St. Joseph hold 5,779 residents in all.
What is the median household income in St. Joseph, IL?
$120,789 inside St. Joseph village limits, per the Census Bureau. Across its ZIP codes the medians run from $117,578 to $117,578.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.