About one in 11 people in Jersey County, Illinois, lives below the poverty line

In Jersey County, 9.5% of people lived below the poverty line. That is lower than in 82% of U.S. counties.

County Distress Index Data through Sep 2026
71st
of 102 counties in Illinois
26score /100

Less distressed than 73% of U.S. counties.

What drives Jersey County's score

In Jersey County, housing costs are the highest-scoring part, at 47.4. Income and the safety net is the lowest part, at 20.7.

The County Distress Index looks at five parts of household money trouble in Jersey County: jobs, late payments on loans, income and the safety net, collections and bankruptcy, and housing costs. Each part is scored from 0 to 100, and a higher score means worse off than other counties.

Jersey County isn't among the worst-off quarter of U.S. counties on any measure.

A longer bar means more trouble. See how the county score works.

  • Housing costs

    Biggest factor
    47.4 of 100

    Renters, 2020–24 Census survey; HUD's fair market rents, fiscal year 2027

    • Renters paying half their income or more in rent
      16.7% · 2020 to 2024
      41st percentile
    • Rent on a two-bedroom as a share of the median income
      21.0% · fiscal year 2027
      53rd percentile
  • Jobs

    39.4 of 100

    Unemployment through Sep 2026; adults not working, 2020–24 Census survey

    • Unemployment rate, average over the latest year
      3.9% · Oct 2025 to Sep 2026
      47th percentile
    • Adults 25 to 54 not working
      17.7% · 2020 to 2024
      31st percentile
  • Collections and bankruptcy

    37.8 of 100

    Credit records, August 2025; bankruptcy filings, 2025

    • People with unpaid debt sent to a collector
      17.1% · August 2025
      27th percentile
    • Bankruptcy filings per 100,000 people
      123.3 · 2025
      48th percentile
  • Late payments

    36.6 of 100

    Credit records, August 2025; credit scores, second quarter of 2026

    • People with a credit card behind
      5.5% · August 2025
      51st percentile
    • People with a car or retail loan behind
      4.3% · August 2025
      36th percentile
    • People with a subprime credit score
      33.0% · second quarter of 2026
      22nd percentile
  • Income and safety net

    20.7 of 100

    Poverty and income, 2024; disability and insurance, 2020–24 Census survey

    • People below the poverty line
      9.5% · 2024
      18th percentile
    • Children below the poverty line
      10.9% · 2024
      17th percentile
    • People with a disability
      13.2% · 2020 to 2024
      23rd percentile
    • People without health insurance
      5.0% · 2020 to 2024
      19th percentile
    • Median household income (lower income, longer bar)
      $77,236 · 2024
      24th percentile

Sources: Urban Institute, Debt in America; Equifax via the St. Louis Fed; Administrative Office of the U.S. Courts, Table F-5A; U.S. Census Bureau, American Community Survey; U.S. Department of Housing and Urban Development Fair Market Rents and Census income; U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics; Census Bureau, Small Area Income and Poverty Estimates. County Distress Index by American Default Research, from data through Sep 2026.

Where the money in Jersey County comes from

Benefit checks are Social Security, Medicare and Medicaid paid on people's behalf, veterans' benefits, and food and income support, so a high share usually means an older population, low pay, or both. In Jersey County, 20.6% of residents are 65 or older (Census Bureau, 2024), against 17.2% nationally that year.

Cents of every dollar of income, 2024

Jersey County

62 13 25

Illinois

62 21 17

United States

61 21 18
  • Pay from work
  • Investments and rent
  • Benefit checks
Source: U.S. Bureau of Economic Analysis, Regional Economic Accounts (CAINC4), shares of all personal income received by residents, 2024. Pay from work is total income minus the other two, so the three add to 100.

In Jersey County, benefit checks' share of income has more than tripled since 1969, reaching 25.4% in 2024, but pay from work still brings in more than twice as much as benefit checks

In Jersey County, Illinois, benefit checks' share of income more than tripled from 1969 to 2024, reaching 25.4%; pay from work is plotted alongside. Every fifth year and 2024 are shown.

  • Benefit checks
  • Pay from work
0%40%80% 196919741979198419891994199920042009201420192024 0%40%80% 196919841994200420142024
Source: U.S. Bureau of Economic Analysis, Regional Economic Accounts (CAINC4), shares of all personal income received by residents, Jersey County, Illinois · American Default
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The share of households in Jersey County getting SNAP food aid had its largest rise, from 10.2% in 2015 to 13.7% in 2016.

The share of households in Jersey County getting SNAP food aid was at its highest on the chart in 2016 and has since fallen to 11.9%

Low on the chart: 7.0% in 2010. Households getting SNAP, every year; each bar is a five-year survey estimate ending that year, so neighboring bars share most of their data, Jersey County, Illinois.

0%10%20% 7.4%11.9% 2009201020112012201320142015201620172018201920202021202220232024 0%10%20% 7.4%11.9% 20092012201420162018202020222024
Source: U.S. Census Bureau, American Community Survey 5-year estimates · American Default
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How Jersey County has changed

Jersey County's population rose most sharply from its first year (18,399 in 1969) to 19,526 in 1974.

Jersey County's population was at its highest on the chart in 2009 and is down 8% since

High on the chart: 23,060 in 2009. Residents, yearly estimate, every fifth year and 2024, Jersey County, Illinois.

015,00030,000 18,39921,150 196919741979198419891994199920042009201420192024 015,00030,000 18,39921,150 196919841994200420142024
Source: U.S. Bureau of Economic Analysis, Regional Economic Accounts · American Default
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The jobs count covers work located in the county; the population count covers residents.

The number of jobs located in Jersey County rose 36% from 1990 to 2025, reaching its highest on the chart

Biggest rise: 1995 to 2000, reaching 4,659. Yearly average of jobs covered by unemployment insurance, every fifth year and 2025, Jersey County, Illinois.

03,0006,000 3,7475,105 19901995200020052010201520202025 03,0006,000 3,7475,105 1990200020052010201520202025
Source: U.S. Bureau of Labor Statistics, Quarterly Census of Employment and Wages · American Default
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Data (CSV)
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MeasureThenNowSource
Unemployment rateBLS LAUS 1990 5.7% 2025 3.8% BLS LAUS
People below the poverty lineCensus SAIPE 1989 9.8% 2024 9.5% Census SAIPE
Median household incomeCensus SAIPE 1989 $26,638 2024 $77,236 Census SAIPE

The table uses 3.8% for 2025; the score uses 3.9% for the latest year (Oct 2025 to Sep 2026), both from the U.S. Bureau of Labor Statistics.

Figures are as each agency published them, not adjusted for prices.

Dated events in Jersey County's history

  1. 1673

    Father Marquette and Louis Jolliet arrived as first European explorers in 1673. Wikipedia

  2. 1839

    Founded on February 28, 1839, formed out of Greene County. Wikipedia

  3. 1961

    A tornado in September 1961 killed one person. NOAA Storm Events Database

  4. 1983

    A tornado in May 1983 did $2.5 million in property damage. NOAA Storm Events Database

  5. 2003

    A flash flood in May 2003 killed one person. NOAA Storm Events Database

  6. 2010

    The county's largest recorded population was the 2010 Census count of 22,985. The 2020 Census counted 21,512, 94% of the peak. Census Bureau

  7. 2015

    A flash flood in December 2015 killed one person. NOAA Storm Events Database

  8. Since 1969

    20 federal disaster and emergency declarations have covered Jersey County, 15 of them for flooding. FEMA

Jersey County beside its neighbors

Of the five counties that border Jersey County, in Illinois and Missouri, three score higher. For the share of income from benefit checks, Jersey County ranks 4th of the six; Greene County is highest, at 29.5%.

CountyDistress scoreScoreRank in its state Poverty rateBenefit checks, share of incomeBenefit checks
Macoupin County, IL 41 41st of 102 10.6% 28.5%
Madison County, IL 40 44th of 102 9.6% 22.8%
Greene County, IL 30 60th of 102 14.0% 29.5%
Jersey County, IL 26 71st of 102 9.5% 25.4%
Calhoun County, IL 15 89th of 102 10.0% 27.3%
St. Charles County, MO 7 114th of 115 6.3% 15.6%

Distress score: American Default Research, County Distress Index, data through Sep 2026; each county scored against all 3,144. Poverty rate: Census Bureau, Small Area Income and Poverty Estimates, 2024. Benefit checks: Bureau of Economic Analysis, 2024. Neighbors share a border, from Census county maps.

Is Jersey County the poorest county in Illinois?

No, Jersey County's poverty rate was 9.5% in 2024, 77th highest of 102 in Illinois (U.S. Census Bureau, Small Area Income and Poverty Estimates). By that measure the poorest county in the state is Alexander County, at 24.8%. On our distress index, which counts more than poverty, Jersey County ranks 71st of 102 in the state.

If you're behind on your mortgage in Jersey County

Housing counselors approved by the U.S. Department of Housing and Urban Development work at nonprofit agencies. The Consumer Financial Protection Bureau describes free foreclosure-avoidance counseling, including help with mortgage-company conversations and available options Source CFPB.

Illinois foreclosure guide →

The score, its 14 measures and their sources, in one file. Free to use with credit to American Default Research.

Download the CSV for Jersey County · Every U.S. county (CSV)

Cite this Jersey County, Illinois, scores 26 on the County Distress Index (data through Sep 2026): less distressed than 73% of U.S. counties · American Default Research · americandefault.org/counties/illinois/jersey-county-il/

Sources and method

  • American Default Research · County Distress Index Data through Sep 2026, built from Urban Institute, Debt in America; Equifax via the St. Louis Fed; U.S. Courts, Table F-5A; Census Bureau, American Community Survey; HUD Fair Market Rents and Census income; Bureau of Labor Statistics, Local Area Unemployment Statistics; Census Bureau, Small Area Income and Poverty Estimates. The County Distress Index is American Default Research's own calculation; the Urban Institute does not produce or endorse it. Our methodology
  • Urban Institute · Debt in America Breno Braga, Signe-Mary McKernan, Samantha Atherton, and Kassandra Martinchek, "Debt in America," last updated November 20, 2025, https://datacatalog.urban.org/dataset/debt-america-2025. Licensed under ODC-By 1.0.
  • Rent on a two-bedroom and household income The rent share compares HUD fair market rent for fiscal year 2027 with Census Bureau median household income for 2024. The page calls this the typical household's income.
  • U.S. Bureau of Economic Analysis, Regional Economic Accounts (CAINC4) · income shares Where the money in Jersey County comes from, 2024.
  • History The agencies named in each row and the linked records above.