Linn County, Iowa
32 ZIP codes · Avg score 66/100 · Grade C
ZipCheckup grade for Linn County: C.
A mixed picture - some signals here are worth your attention.
If your home is in Linn County, the C grade is a cue to open your ZIP code's report, one of 32 here, and see which factors weigh on the score.
How Linn County Compares
How Linn County Compares
Linn County scores 3 points above the Iowa state average (63/100) and 7 points below the national average (73/100).
Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData
ZIP Code Risk Map
Water Quality Map: Linn County, Iowa
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 12.4 (asthma 10.3%, diabetes 11.2%)
Modeled additional annual cost estimate per homeowner: $913, largest modeled factor: Flood
55% of homes built before 1980 (lead paint was banned for residential use in 1978)
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
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: $913
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
102,131 housing units in Linn County
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
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
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.
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Show all 8 water systems
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15 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
5 water systems with violations in EPA records.
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All ZIP Codes in Linn County
32 ZIP codes tracked in Linn County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 52227 | Ely | 67 | C | 0 | $300K |
| 2 | 52233 | Hiawatha | 67 | C | 0 | $201K |
| 3 | 52302 | Marion | 67 | C | 0 | $233K |
| 4 | 52328 | Robins | 67 | C | 0 | $343K |
| 5 | 52352 | Walker | 67 | C | 0 | $210K |
| 6 | 52401 | Cedar Rapids | 67 | C | 0 | $144K |
| 7 | 52402 | Cedar Rapids | 67 | C | 0 | $189K |
| 8 | 52403 | Cedar Rapids | 67 | C | 0 | $191K |
| 9 | 52314 | Mount Vernon | 66 | C | 1 | $280K |
| 10 | 52324 | Palo | 66 | C | 1 | $321K |
| 11 | 52404 | Cedar Rapids | 66 | C | 2 | $160K |
| 12 | 52405 | Cedar Rapids | 66 | C | 1 | $174K |
| 13 | 52411 | Cedar Rapids | 55 | C | 30 | $425K |
| 14 | 52202 | Alburnett | — | — | $233K | |
| 15 | 52210 | Brandon | — | — | $168K | |
| 16 | 52213 | Center Point | — | — | 0 | $254K |
| 17 | 52214 | Central City | — | — | $235K | |
| 18 | 52218 | Coggon | — | — | $171K | |
| 19 | 52219 | Prairieburg | — | — | $99K | |
| 20 | 52228 | Fairfax | — | — | 1 | $302K |
| 21 | 52253 | Lisbon | — | — | 1 | $222K |
| 22 | 52336 | Springville | — | — | $213K | |
| 23 | 52341 | Toddville | — | — | 1 | $360K |
| 24 | 52344 | Troy Mills | — | — | — | |
| 25 | 52406 | Cedar Rapids | — | — | — | |
| 26 | 52407 | Cedar Rapids | — | — | — | |
| 27 | 52408 | Cedar Rapids | — | — | — | |
| 28 | 52409 | Cedar Rapids | — | — | — | |
| 29 | 52410 | Cedar Rapids | — | — | — | |
| 30 | 52497 | Cedar Rapids | — | — | — | |
| 31 | 52498 | Cedar Rapids | — | — | — | |
| 32 | 52499 | Cedar Rapids | — | — | — |
Recommended Buyer Guides for Linn County
The mix of guides changes from county to county.
- Best Lead Paint Test Kits — 55% of homes built before 1980
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Linn County, Iowa
Overview
Linn County in Iowa covers 32 tracked ZIP records with an average Home Safety Score of C (66/100) across 13 scored records.
8 of 17 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 Iowa Home Safety Profile
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- PFAS screening: EPA UCMR 5
- Radon zones: EPA Map of Radon Zones
- Air quality: EPA AirData annual AQI
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.