COUNTY REPORT IL

Union County, Illinois

7 ZIP codes · Home Safety Score unavailable · 0 of 7 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 7 tracked ZIP records scored
7
ZIP Codes
$124K
Median Home Value
$1,586
Avg Remediation (128% of home value)

ZIP Code Risk Map

Water Quality Map: Union 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: 15.2 (asthma 10.7%, diabetes 14.1%)

Estimated additional annual cost per homeowner: $1,401, driven primarily by flood

65.4% of homes built before 1978 (lead paint era)

Violation History (2022–2025)

↑ Worsening trend

EPA violation counts by year across Union County water systems. Health-based shown in red, total in blue.

2022
2 (2 health)
2023
4 (4 health)
2024
7 (7 health)
2025
1 (1 health)

Peak year: 2024 with 7 violations. Past 5 years: 14 total (14 health-based). Health-based violations are rising versus the prior 2-year window - worth closer monitoring.

Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.

County Health Indicators vs National Average

Asthma 10.7% (national: 8.9%)
Diabetes 14.1% (national: 10.5%)
Obesity 39.8% (national: 32.4%)

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

Infrastructure Overview

1973
Median Build Year
65.4%
Pre-1978 Housing
48/100
Infrastructure Stress Indicator
71%
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: $1,401

Flood $600/yr
Energy Code Gap $501/yr
Water / Lead $236/yr

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

Housing Age Distribution

7,583 housing units in Union County

Pre-1940 17%
1940–1959 13%
1960–1979 29%
1980–1999 23%
2000+ 17%

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 Union County

$124K
Median Home Value
$1,586
Est. Remediation Cost
1.3%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Union 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 Union County residents

Asthma 10.7% (US avg: 8.9%)
Diabetes 14.1% (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 Union County

4 community water systems serving Union County.

Systems with the most violations in Union County

4 water systems with recorded EPA violations.

All ZIP Codes in Union County

7 ZIP codes tracked in Union County.

# ZIP Code City Safety Score Grade Violations Home Value
1 62905 Alto Pass $115K
2 62906 Anna 6 (4 health) $138K
3 62920 Cobden 10 (4 health) $154K
4 62926 Dongola $105K
5 62952 Jonesboro 10 (5 health) $124K
6 62961 Millcreek
7 62998 Wolf Lake

Recommended Buyer Guides for Union County

Federal and certification sources drive the ordering: EPA monitoring data, NSF certifications, FEMA flood maps, and CDC lead guidance - guides surface only when county data warrants them.

Overview

Union County in Illinois covers 7 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.

3 of 3 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 8 health-based violations appear in the available health breakdown.

← 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 Union County?
Union County is served by 4 public water systems that supply drinking water to residents across 7 ZIP codes.
What is the biggest environmental risk in Union County?
The primary environmental risk factor in Union County is flood. This contributes to an estimated additional annual cost of $1,401 per homeowner.
How old are homes in Union County?
The median home build year in Union County is 1973. 65.4% 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). Union County, Illinois Home Safety Profile. https://zipcheckup.com/county/illinois/union/
BibTeX
@misc{zipcheckup-county-illinois-union,
  author = {{ZipCheckup}},
  title  = {{Union County, Illinois Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/illinois/union/}
}

Page version: August 2026.

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