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St. Joseph village, IL

ZIP Code 61873 — St. Joseph village, IL Demographics & Data

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Upper Middle ClassLow Snow Area

Map, Quick Facts & Location

Quick Facts

Local time
Population
5,803
Median Income
$112,755
+50% vs US avg
Home Value
$246,300
-29% vs US avg
Median Rent
$791
-32% vs US avg
Median Age
40.0 yrs
+3% vs US avg
Area Code
Congress
Top Ancestry
GermanEnglishIrish
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Location
Coordinates
40.1339, -88.0391
Elevation
675 ft
Land Area
67.3 sq mi
Water Area
0.3 sq mi (0% water)

At a glance

Population
5,803
Density
N/A
Median income
$112,755
+50% vs US avg
Home value
$246,300
-29% vs US avg
Median rent
$791
-32% vs US avg
Timezone

Overview of ZIP Code 61873

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What to know about ZIP 61873

ZIP code 61873 covers St. Joseph, IL in Champaign County with a population of about 5,803.

At a glance, the area shows median age of 40.0 (near the U.S. median).

It sits in telephone area codes 217, 447; U.S. House district IL-15; the CHAMPAIGN & SPRNGFLD - DECATUR media market.

Income and economy in St. Joseph, IL

Median household income in ZIP 61873 is about $112,755 — about 50% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 5.6%; unemployment rate near 4.6%; 35.9% of adults with a bachelor’s degree or higher (about 2.2 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Education, Healthcare, and Retail trade; about 14.2% of workers reporting work-from-home (about 1.0 points below the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Housing and affordability in ZIP 61873

Median home value is about $246,300 — about 29% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $791 (about 32% below the U.S. median rent ($1,163)), and owner-occupancy near 85.8% (about 20.4 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 61873 in St. Joseph, IL, a household would need roughly $68,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $1,582. That sits below the local median household income ($112,755), suggesting the typical household income is closer to a workable buy-in level under these assumptions. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

Climate risk and migration signals

FEMA’s National Risk Index rates natural-hazard risk for St. Joseph village, IL as Relatively Moderate (composite score 90.5), which is among the highest nationally. The strongest component scores on US5 are flood (90.4) and hurricane (48.9). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Climate normals for St. Joseph village, IL show little to no average snow and around 41.2 inches of annual precipitation.

IRS migration statistics show a net inflow of about 323 for ZIP 61873 (St. Joseph village, IL) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.

Nearby (from this ZIP)

Airport CMI (14.1 miles (22.7 km)) · University of Illinois System Offices (10.2 miles (16.3 km)) · Springfield 1908 Race Riot National Monument (87.9 miles (141.5 km)) · VA: Danville National Cemetery (23.6 miles (38.0 km))

Full lists and map pins are in the Infrastructure section below.