COUNTY REPORT NE

Johnson County, Nebraska

5 ZIP codes · Home Safety Score unavailable · 0 of 5 tracked ZIP records scored

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

Unavailable
0 of 5 tracked ZIP records scored
5
ZIP Codes
$154K
Median Home Value

ZIP Code Risk Map

Water Quality Map: Johnson County, Nebraska

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: 13 (asthma 8.5%, diabetes 11.6%)

Modeled additional annual cost estimate per homeowner: $680, largest modeled factor: Energy Code Gap

80% of homes built before 1980 (lead paint was banned for residential use in 1978)

County Health Indicators vs National Average

Asthma 8.5% (national: 8.9%)
Diabetes 11.6% (national: 10.5%)
Obesity 38.1% (national: 32.4%)

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

Infrastructure Overview

1956
Median Build Year
80%
Pre-1980 Housing
51/100
Infrastructure Stress Indicator
100%
ZIPs with High Infrastructure Stress
High
Lead Pipe Risk

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

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $680

Energy Code Gap $540/yr
Flood $200/yr
Water / Lead $150/yr

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

Housing Age Distribution

2,077 housing units in Johnson County

Pre-1940 44%
1940–1959 14%
1960–1979 22%
1980–1999 11%
2000+ 9%

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

Health Outcomes vs National Average

CDC PLACES data for Johnson County residents

Asthma 8.5% (US avg: 8.9%)
Diabetes 11.6% (US avg: 11%)
Obesity 38.1% (US avg: 32.4%)

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

Water systems mapped to Johnson County ZIP codes

1 community water system mapped to Johnson County ZIP codes; EPA may list more systems serving the county.

Systems with the most violations in Johnson County

1 water system with violations in EPA records.

All ZIP Codes in Johnson County

5 ZIP codes tracked in Johnson County.

# ZIP Code City Safety Score Grade Violations Home Value
1 68329 Cook — — $127K
2 68332 Crab Orchard — — $258K
3 68348 Elk Creek — — 1 —
4 68443 Sterling — — $182K
5 68450 Tecumseh — — 1 $118K

Recommended Buyer Guides for Johnson County

Each guide below is listed with the reason it appears.

Overview

Johnson County in Nebraska covers 5 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.

2 of 2 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 Nebraska 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 Johnson County?
We map 1 public water system to the 5 ZIP codes of Johnson County. EPA may list more systems serving the county, so this is not a full count.
What is the biggest environmental risk in Johnson County?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Johnson County is energy code gap. Across all modeled risk factors, the estimated average additional annual cost is $680 per homeowner; actual costs vary by home.
How old are homes in Johnson County?
The median home build year in Johnson County is 1956. 80% of homes were built before 1980; homes built before 1978 may contain lead-based paint, and older homes may have older plumbing materials.

How to cite this page

APA ZipCheckup. (2026). Johnson County, Nebraska Home Safety Profile. https://zipcheckup.com/county/nebraska/johnson/
BibTeX
@misc{zipcheckup-county-nebraska-johnson,
  author = {{ZipCheckup}},
  title  = {{Johnson County, Nebraska Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/nebraska/johnson/}
}

Page version: October 2026.

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