City profile · Illinois · Census ACS 2023

St. Joseph, IL

Population, income, housing, safety, climate and schools for St. Joseph - drawn straight from Census ACS, FBI UCR, NOAA, NCES, HUD and FEMA, refreshed on the 2024–2025 release cycle.

3,833
Residents
$114,594
Median income
$257,400
Median home
$1,122
Median rent (state)

St. Joseph - the verdict

St. Joseph ranks in the 85th percentile for household income nationally, out of every US city with at least 1,000 residents. Source: Census ACS.

85th
percentile, household income
57th
percentile, home value
30th
percentile, median rent
📝 How we sourced this

Population, income, and housing-cost figures come from the U.S. Census Bureau American Community Survey 5-year estimates (B-series tables). Crime data uses FBI UCR; climate uses NOAA Climate Normals; school counts come from NCES Common Core of Data; permits use the Census Building Permits Survey (BPS). See our methodology page for the full ETL pipeline and OMB / FIPS join keys.

Data Snapshot: St. Joseph, IL

Illinois's St. Joseph is a small town, with 3,833 residents per the latest Census Bureau ACS figures. St. Joseph households earn a median of $114,594 annually, placing it in the top quartile of U.S. cities for household income, with a poverty rate of 0.5%. Typical homes in St. Joseph are valued around $257,400, and the median resident age is 39.9 years. About 37.1% of adults hold a bachelor's degree or higher, while 70.0% of working-age residents are in the labor force.

Housing supply pressure shows in Census Building Permit Survey data: 0 residential units were authorized in 2024 (No Permits).

Illinois tracks close to the national cost-of-living baseline: the state registers 100.0 on a 100-equals-national-average index (Near Average) per BEA Regional Price Parities 2024. Statewide, HUD pegs Fair Market Rent for a two-bedroom unit at $1,122 monthly. Monthly utility costs average around $240 across Illinois, per EIA 2023 residential energy estimates. FEMA's National Risk Index rates natural-hazard exposure at 90.5 out of 100 (Very High).

Population

3,833 residents

Census ACS 2023 - Illinois

Median Household Income

$114,594 /yr

Poverty 0.5%

Cost of Living Index (state)

100.0 (US=100)

Near Average - BEA RPP 2024, Illinois average

How does St. Joseph compare to other US cities?

Where St. Joseph sits among all US cities (population 1,000+) on each measure, computed live from Census and FBI data.

Household income 85% higher than other cities
Home value 57% pricier than other cities
Median rent 30% pricier than other cities

"Safer than" reflects total crime rate from FBI UCR; the others use Census ACS estimates.

How we calculate these percentiles & ranks

Each percentile compares St. Joseph against every qualifying US city; each in-state rank narrows that to Illinois only. Full formula and direction notes: methodology.

Illinois-relative analysis

Poverty Rate places St. Joseph near the bottom of Illinois's cities

Among the 1,335 Illinois cities PlainCities tracks with reported poverty rate data, St. Joseph ranks #1,234 - the 7th percentile within the state. This is a different, narrower cut than the nationwide percentiles above: it compares St. Joseph only against its own state's cities, not the full US field.

Median Household Income
#127 of 1,311
90th percentile in Illinois
Median Gross Rent
#569 of 1,336
55th percentile in Illinois
Median Home Value
#218 of 1,315
83rd percentile in Illinois
Poverty Rate
#1,234 of 1,335
7th percentile in Illinois
Bachelor's Degree or Higher
#217 of 1,336
84th percentile in Illinois

Ranked by raw value (highest first); a higher rank is not automatically "better" for every measure, see each metric's own context above. This is a comparison within Illinois only, not a livability score. See the methodology for the source and calculation.

85thIncome percentile

85th percentile nationally for median household income. Source: Census ACS 2023 / FBI UCR 2023.

How St. Joseph's home value compares nationally

Median home value vs. every US city (population 1,000+)

$257,400 43rd percentile more affordable than 43% of 15,600 US cities

$0–$25,000: 5 US cities (0%). Below this entry. $25,000–$50,000: 54 US cities (0%). Below this entry. $50,000–$75,000: 352 US cities (2%). Below this entry. $75,000–$100,000: 1,086 US cities (7%). Below this entry. $100,000–$125,000: 1,516 US cities (10%). Below this entry. $125,000–$150,000: 1,170 US cities (8%). Below this entry. $150,000–$175,000: 1,278 US cities (8%). Below this entry. $175,000–$200,000: 1,229 US cities (8%). Below this entry. $200,000–$225,000: 1,035 US cities (7%). Below this entry. $225,000–$250,000: 976 US cities (6%). Below this entry. $250,000–$275,000: 754 US cities (5%). This entry sits in this band. $275,000–$300,000: 712 US cities (5%). Above this entry. $300,000–$325,000: 521 US cities (3%). Above this entry. $325,000–$350,000: 526 US cities (3%). Above this entry. $350,000–$375,000: 465 US cities (3%). Above this entry. $375,000–$400,000: 393 US cities (3%). Above this entry. $400,000–$425,000: 317 US cities (2%). Above this entry. $425,000–$450,000: 300 US cities (2%). Above this entry. $450,000–$475,000: 307 US cities (2%). Above this entry. $475,000–$500,000: 250 US cities (2%). Above this entry. $500,000–$525,000: 160 US cities (1%). Above this entry. $525,000–$550,000: 156 US cities (1%). Above this entry. $550,000–$575,000: 172 US cities (1%). Above this entry. $575,000–$600,000: 172 US cities (1%). Above this entry. $600,000–$625,000: 163 US cities (1%). Above this entry. $625,000–$650,000: 167 US cities (1%). Above this entry. $650,000–$675,000: 135 US cities (1%). Above this entry. $675,000–$700,000: 101 US cities (1%). Above this entry. $700,000–$725,000: 95 US cities (1%). Above this entry. $725,000–$750,000: 71 US cities (0%). Above this entry. $750,000–$775,000: 65 US cities (0%). Above this entry. $775,000–$800,000: 70 US cities (0%). Above this entry. $800,000–$825,000: 57 US cities (0%). Above this entry. $825,000–$850,000: 67 US cities (0%). Above this entry. $850,000–$875,000: 60 US cities (0%). Above this entry. $875,000–$900,000: 58 US cities (0%). Above this entry. $900,000–$925,000: 47 US cities (0%). Above this entry. $925,000–$950,000: 37 US cities (0%). Above this entry. $950,000–$975,000: 31 US cities (0%). Above this entry. $975,000–$1,000,000: 470 US cities (3%). Above this entry. $1,000,000–$1,025,000: 0 US cities (0%). Above this entry. St. Joseph $0 $1,025,000 every US city, bucketed by value

Each bar is a $25K-wide band; taller bars hold more US cities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau ACS 5-Year Estimates · 2023

Income distribution context

Household income distribution - St. Joseph, IL St. Joseph, IL's reported median household income shown against the U.S. national quintile-share pattern (not St. Joseph, IL-specific quintile data). The Lorenz curve traces the national cumulative income share against cumulative population share, perfect equality is the diagonal; observed inequality bows below. $ Household Income Distribution St. Joseph, IL median $114,594/yr, vs. U.S. national quintile pattern QUINTILE SHARE OF AGGREGATE INCOME Lowest 20% 3.4% Second 20% 9.2% Middle 20% 15.1% Fourth 20% 23.2% Top 20% 49.1% LORENZ CURVE cumulative income vs. population 100% 0% 100% pop. 0%
St. Joseph, IL's median household income (Census ACS 5-year estimate) plotted against the U.S. national income-quintile distribution pattern for context; the quintile shares and Lorenz curve are national figures, not computed specifically for St. Joseph, IL. Diagonal = perfect equality.

Key socioeconomic indicators

Bachelor's degree or higher (adults 25+) 37.1%

Census ACS S1501, educational attainment

Poverty rate (households below FPL) 0.5%

Census ACS S1701, poverty status

Labor force participation (adults 16+) 70.0%

Census ACS S2301, share of working-age residents in the labor force

Population
3,833
Median Income
$114,594
Median Home Value
$257,400
Median Age
39.9
Poverty Rate
0.5%
Labor force participation
70.0%
Bachelor's Degree+
37.1%

Population Change

Annual U.S. Census Bureau Population Estimates Program (PEP) estimates, 2020–2025

See the fastest-growing cities →
3,650 residents3,700 residents3,750 residents3,800 residents3,850 residents 202020212022202320242025 3,794 residents 3,689 residents ▼ -2.8%
St. Joseph's Census PEP population estimates, 2020–2025.

Housing Supply

Census Bureau Building Permits Survey (BPS) - annual residential permits authorized

Total Permits (2024)
0
housing units authorized
Single-Family
0
detached homes
Multifamily
0
apartments & condos

5-Year Permit Trend (2019–2024)

Year Total
2019 0
2020 0
2021 0
2022 0
2023 0
2024 0

Commute Patterns

How workers travel to work, Census ACS 2023

Drive Alone
78.5%
Carpool
3.2%
Public Transit
0.1%
Walk
0.0%
Work from Home
17.4%
Other
0.8%

Based on 2,144 workers 16 and over.

Monthly Utility Costs

State-average estimates for Illinois - EIA 2023 residential energy data

Electricity
$100
avg/month
Natural Gas
$90
avg/month
Water & Sewer
$50
avg/month
Total Utilities
$240
estimated/month

Estimates reflect Illinois state averages. Actual costs vary by home size, usage, and local rates. Source: U.S. Energy Information Administration (EIA) 2023.

Living Costs & Risk

Cost of living is a Illinois state average from BEA; rent and hazard risk are county-level figures from HUD and FEMA for the county St. Joseph sits in

Cost of Living Index
100.0
Near Average
US average = 100 · BEA RPP 2024
Typical 2-BR Rent
$1,122/mo
HUD Fair Market Rent
County-level FMR estimate
Natural Hazard Risk
90.5 / 100
Very High
FEMA NRI composite score (county)

Similar Cities in Illinois

Oregon
3,821 people
Dwight
3,794 people
Red Bud
3,789 people
Rochester
3,784 people
Morrison
3,781 people
Eldorado
3,762 people

Cities of a Similar Size Nationwide

Population-matched peers from other states, closest to St. Joseph's 3,833 residents (Census ACS 5-Year 2023).

Mountain View, HI
3,833 people
Conway, NH
3,833 people
Skippers Corner, NC
3,834 people
Fort McKinley, OH
3,832 people
Avenue B and C, AZ
3,831 people
Juno Beach, FL
3,835 people

Cities with a Similar Household Income Nationwide

Median-household-income-matched peers from other states, closest to St. Joseph's $114,594 (Census ACS 5-Year 2023, table B19013).

Firestone, CO
$114,591 median income
East Bethel, MN
$114,583 median income
The Cliffs Valley, SC
$114,583 median income
Kincora, VA
$114,618 median income
Hochatown, OK
$114,643 median income
North Hudson, WI
$114,539 median income

Race & Ethnicity Composition

Race and ethnicity - St. Joseph, IL Race categories sum to one hundred percent per Census methodology. Hispanic or Latino is shown separately as an ethnicity overlay; it cuts across all race categories per OMB Directive 15. Race & Ethnicity Composition St. Joseph, IL - Census ACS, OMB race + ethnicity categories RACE, sums to 100% 93.1% ETHNICITY, Hispanic or Latino (any race) 1.6% White 93.1% Black or African American 0.1% Asian 2.1% American Indian 0.2% Native Hawaiian 0.0% Some other race 0.0% Two or more races 4.6% Per OMB Directive 15: Hispanic/Latino ethnicity is reported separately from the race categories.
Race categories sum to 100%. Hispanic or Latino ethnicity is reported separately and cuts across race per Census/OMB methodology.

City-level race and ethnicity, Census ACS 5-year 2023 (tables B02001, B03001), OMB Directive 15 categories.

How St. Joseph compares to nearby Illinois cities

Population + median household income, sourced from Census Bureau ACS 5-year B01001 (population) and B19013 (median household income).

City Population Median Household Income
St. Joseph (this city) 3,833 $114,594
Oregon 3,821 $69,632
Dwight 3,794 $67,712
Red Bud 3,789 $68,051
Census ACS 5-year FIPS IL Census BPS 2024 OMB Bulletin 23-01

What do people ask about St. Joseph, IL?

What is the population of St. Joseph, IL? +

The population of St. Joseph, IL stands at 3,833 according to U.S. Census Bureau ACS 2023 estimates.

What is the median household income in St. Joseph, IL? +

Median annual household income in St. Joseph runs $114,594, based on Census ACS 2023 data.

What is the cost of living in St. Joseph? +

BEA does not publish a city-level cost-of-living figure for St. Joseph; the closest available measure is the Illinois state average, a cost of living index of 100.0 (U.S. average = 100), rated "Near Average" based on BEA Regional Price Parities 2024 data. Costs within Illinois vary by metro area.

What is the median home value in St. Joseph, IL? +

A typical home in St. Joseph is worth $257,400, according to Census ACS 2023 estimates.

Source: U.S. Census Bureau ACS 5-Year 2023, Census BPS 2024, Census ACS B08301/B08136, U.S. Energy Information Administration (EIA) 2023, BEA Regional Price Parities 2024, HUD Fair Market Rents 2026, FEMA National Risk Index.

Read our methodology - how this data is sourced, computed, and verified.

Primary sources: Census ACS, FBI UCR, NOAA Climate Normals, NCES.

Citation & verification links Data sourced from the U.S. Census Bureau. See our methodology for details. Retrieved and formatted by PlainCities

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Every figure on PlainCities is rendered directly from Census ACS source data, no number is typed in by an editor. This page draws directly on Census ACS source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.