COUNTY REPORT MO

Linn County, Missouri

9 ZIP codes · Home Safety Score unavailable · 0 of 9 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 9 tracked ZIP records scored
9
ZIP Codes
$117K
Median Home Value
$489
Avg Remediation (0.42% of home value)

ZIP Code Risk Map

Water Quality Map: Linn County, Missouri

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 (asthma 10.7%, diabetes 13.5%)

Modeled additional annual cost estimate per homeowner: $624, largest modeled factor: Flood

72% of homes built before 1980 (lead paint was banned for residential use in 1978)

County Health Indicators vs National Average

Asthma 10.7% (national: 8.9%)
Diabetes 13.5% (national: 10.5%)
Obesity 35.7% (national: 32.4%)

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

Infrastructure Overview

1966
Median Build Year
72%
Pre-1980 Housing
47/100
Infrastructure Stress Indicator
89%
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: $624

Flood $800/yr
Energy Code Gap $230/yr
Water / Lead $217/yr

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

Housing Age Distribution

6,409 housing units in Linn County

Pre-1940 19%
1940–1959 22%
1960–1979 31%
1980–1999 17%
2000+ 11%

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 Linn County

$117K
Median Home Value
$489
Est. Remediation Cost
0.4%
of Home Value
Remediation as % of home value low burden

Modeled remediation costs in Linn County can be compared with the median property value; actual costs vary by property.

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 Linn County residents

Asthma 10.7% (US avg: 8.9%)
Diabetes 13.5% (US avg: 11%)
Obesity 35.7% (US avg: 32.4%)

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

Water systems mapped to Linn County ZIP codes

8 community water systems mapped to Linn County ZIP codes; EPA may list more systems serving the county.

Show all 8 water systems

9 water systems mapped to Linn County ZIP codes in our data; EPA may list more systems serving the county.

Systems with the most violations in Linn County

4 water systems with violations in EPA records.

All ZIP Codes in Linn County

9 ZIP codes tracked in Linn County.

# ZIP Code City Safety Score Grade Violations Home Value
1 63557 New Boston — — 6 (2 health) $259K
2 64628 Brookfield — — 7 (2 health) $116K
3 64630 Browning — — 10 (2 health) $125K
4 64631 Bucklin — — 7 (2 health) $115K
5 64651 Laclede — — 6 (2 health) —
6 64653 Linneus — — 10 (2 health) $119K
7 64658 Marceline — — 4 $114K
8 64659 Meadville — — 10 (2 health) $131K
9 64674 Purdin — — 10 (2 health) $103K

Recommended Buyer Guides for Linn County

These buyer guides are matched by rule rather than by hand - a PFAS record adds a PFAS filter guide, a lead action-level exceedance adds lead filter guides, a high share of pre-1978 homes adds lead paint test kits, EPA Radon Zone 1 add radon kits, and a top flood or wildfire risk adds related equipment.

Overview

Linn County in Missouri covers 9 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.

9 of 9 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 2 health-based violations appear in the available health breakdown.

← Back to Missouri 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 Linn County?
We map 9 public water systems to 9 ZIP codes in our data for Linn County. EPA may list more systems serving the county, so this is not a full count.
What is the biggest environmental risk in Linn County?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Linn County is flood. Across all modeled risk factors, the estimated average additional annual cost is $624 per homeowner; actual costs vary by home.
How old are homes in Linn County?
The median home build year in Linn County is 1966. 72% 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). Linn County, Missouri Home Safety Profile. https://zipcheckup.com/county/missouri/linn/
BibTeX
@misc{zipcheckup-county-missouri-linn,
  author = {{ZipCheckup}},
  title  = {{Linn County, Missouri Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/missouri/linn/}
}

Page version: October 2026.

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