COUNTY REPORT IL

Jefferson County, Illinois

13 ZIP codes · Home Safety Score unavailable · 0 of 13 tracked ZIP records scored · Updated

Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:

Unavailable
0 of 13 tracked ZIP records scored
13
ZIP Codes
$114K
Median Home Value
$923
Avg Remediation (81% of home value)

ZIP Code Risk Map

Water Quality Map: Jefferson County, Illinois

Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.

A B C D F

Key Risk Factors

Health risk index: 14.5 (asthma 10.6%, diabetes 13%)

Estimated additional annual cost per homeowner: $651, driven primarily by flood

54.6% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 10.6% (national: 8.9%)
Diabetes 13% (national: 10.5%)
Obesity 39.8% (national: 32.4%)

Black markers indicate national averages. Source: CDC PLACES, Census ACS.

Infrastructure Overview

1979
Median Build Year
54.6%
Pre-1978 Housing
38/100
Infrastructure Stress Indicator
33%
ZIPs with High Infrastructure Stress
Low
Lead Pipe Risk

Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $651

Flood $600/yr
Energy Code Gap $405/yr
Water Infrastructure $138/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Housing Age Distribution

16,754 housing units in Jefferson County

Pre-1940 12%
1940–1959 18%
1960–1979 26%
1980–1999 29%
2000+ 16%

Source: U.S. Census Bureau ACS B25034 (Year Structure Built).

Water Safety Affordability

How much it costs to fix water issues relative to home values in Jefferson County

$114K
Median Home Value
$923
Est. Remediation Cost
0.8%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Jefferson County, representing a small fraction of property value.

Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.

Health Outcomes vs National Average

CDC PLACES data for Jefferson County residents

Asthma 10.6% (US avg: 8.9%)
Diabetes 13% (US avg: 11%)
Obesity 39.8% (US avg: 32.4%)

Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.

Water systems serving Jefferson County

8 community water systems serving Jefferson County.

Show all 8 water systems

11 total water systems serve Jefferson County.

Systems with the most violations in Jefferson County

5 water systems with recorded EPA violations.

All ZIP Codes in Jefferson County

13 ZIP codes tracked in Jefferson County.

# ZIP Code City Safety Score Grade Violations Home Value
1 62810 Belle Rive 0 $109K
2 62814 Bluford 2 $108K
3 62816 Bonnie 0 $86K
4 62830 Dix 2 $137K
5 62846 Ina 0 $89K
6 62864 Mount Vernon 10 $118K
7 62866 Nason
8 62872 Opdyke 5 $108K
9 62883 Scheller 3 $144K
10 62889 Texico 4 $148K
11 62893 Walnut Hill 5 $138K
12 62894 Waltonville 0 $107K
13 62898 Woodlawn 5 $150K

Recommended Buyer Guides for Jefferson County

Filtered against federal data, fitted to local risks.

Overview

Jefferson County in Illinois covers 13 tracked ZIP records. No Home Safety Score is published because the required model evidence is incomplete for every tracked record; missing evidence is not treated as zero.

8 of 12 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. The available record reports no health-based violations for this measured scope.

← Back to Illinois Home Safety Profile

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Frequently Asked Questions

How many water systems serve Jefferson County?
Jefferson County is served by 11 public water systems that supply drinking water to residents across 13 ZIP codes.
What is the biggest environmental risk in Jefferson County?
The primary environmental risk factor in Jefferson County is flood. This contributes to an estimated additional annual cost of $651 per homeowner.
How old are homes in Jefferson County?
The median home build year in Jefferson County is 1979. 54.6% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.

How to cite this page

APA ZipCheckup. (2026). Jefferson County, Illinois Home Safety Profile. https://zipcheckup.com/county/illinois/jefferson/
BibTeX
@misc{zipcheckup-county-illinois-jefferson,
  author = {{ZipCheckup}},
  title  = {{Jefferson County, Illinois Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/illinois/jefferson/}
}

Page version: August 2026.

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