Polk County, Florida
54 ZIP codes · Avg score 64/100 · Grade C · Updated
ZipCheckup grade for Polk County: C.
A mixed picture - some signals here are worth your attention.
Based on current EPA data, Polk County's 54 ZIP codes reflect fair but mixed water safety.
How Polk County Compares
How Polk County Compares
Polk County scores 16 points below the Florida state average (80/100) and 9 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 Last verified:
ZIP Code Risk Map
Water Quality Map: Polk County, Florida
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14 (asthma 10%, diabetes 13.6%)
Estimated additional annual cost per homeowner: $5,086, driven primarily by sea_level
48.7% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
↑ Worsening trendEPA violation counts by year across Polk County water systems. Health-based shown in red, total in blue.
Peak year: 2025 with 34 violations. Past 5 years: 98 total (98 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
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 DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $5,086
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
326,095 housing units in Polk 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 Polk County
Remediation costs are relatively manageable for most homeowners in Polk 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 Polk County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Polk County
8 community water systems serving Polk County.
- C
- C
- D
- C
- C
- D
Show all 8 water systems
- C
- D
53 total water systems serve Polk County.
Systems with the most violations in Polk County
5 water systems with recorded EPA violations.
- C
- D
- C
- C
- D
All ZIP Codes in Polk County
54 ZIP codes tracked in Polk County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 33815 | Lakeland | 82 | B | 6 | $43K |
| 2 | 33805 | Lakeland | 78 | B | 16 | $174K |
| 3 | 33812 | Lakeland | 75 | B | 21 | $335K |
| 4 | 33801 | Lakeland | 69 | C | 40 (1 health) | $139K |
| 5 | 33811 | Lakeland | 69 | C | 38 (1 health) | $290K |
| 6 | 33813 | Lakeland | 69 | C | 41 (2 health) | $330K |
| 7 | 34759 | Kissimmee | 69 | C | 14 | $271K |
| 8 | 33810 | Lakeland | 68 | C | 52 | $245K |
| 9 | 33803 | Lakeland | 67 | C | 45 (1 health) | $236K |
| 10 | 33809 | Lakeland | 67 | C | 53 | $249K |
| 11 | 33823 | Auburndale | 67 | C | 90 (2 health) | $234K |
| 12 | 33830 | Bartow | 67 | C | 117 (3 health) | $208K |
| 13 | 33838 | Dundee | 67 | C | 100 (5 health) | $230K |
| 14 | 33841 | Fort Meade | 67 | C | 55 (1 health) | $139K |
| 15 | 33843 | Frostproof | 67 | C | 76 (6 health) | $108K |
| 16 | 33844 | Haines City | 67 | C | 246 (7 health) | $213K |
| 17 | 33860 | Mulberry | 67 | C | 80 (7 health) | $221K |
| 18 | 33897 | Davenport | 67 | C | 69 (1 health) | $279K |
| 19 | 33898 | Lake Wales | 67 | C | 153 (9 health) | $162K |
| 20 | 33853 | Lake Wales | 57 | C | 25 (1 health) | $198K |
| 21 | 33837 | Davenport | 50 | D | 49 (2 health) | $298K |
| 22 | 33850 | Lake Alfred | 50 | D | 112 (2 health) | $216K |
| 23 | 33859 | Lake Wales | 50 | D | 120 (7 health) | $200K |
| 24 | 33880 | Winter Haven | 50 | D | 111 (2 health) | $201K |
| 25 | 33881 | Winter Haven | 50 | D | 208 (6 health) | $177K |
| 26 | 33884 | Winter Haven | 50 | D | 134 (6 health) | $269K |
| 27 | 33896 | Davenport | 50 | D | 69 (2 health) | $307K |
| 28 | 33804 | Lakeland | — | — | — | |
| 29 | 33806 | Lakeland | — | — | — | |
| 30 | 33807 | Lakeland | — | — | — | |
| 31 | 33820 | Alturas | — | — | — | |
| 32 | 33827 | Babson Park | — | — | 42 (4 health) | $213K |
| 33 | 33831 | Bartow | — | — | — | |
| 34 | 33835 | Bradley | — | — | — | |
| 35 | 33836 | Davenport | — | — | — | |
| 36 | 33839 | Eagle Lake | — | — | 62 (1 health) | $235K |
| 37 | 33840 | Eaton Park | — | — | 6 | — |
| 38 | 33845 | Haines City | — | — | — | |
| 39 | 33846 | Highland City | — | — | — | |
| 40 | 33847 | Homeland | — | — | — | |
| 41 | 33849 | Kathleen | — | — | 21 | $281K |
| 42 | 33851 | Lake Hamilton | — | — | 25 (1 health) | $175K |
| 43 | 33854 | Lakeshore | — | — | $81K | |
| 44 | 33855 | Indian Lake Estates | — | — | — | |
| 45 | 33856 | Nalcrest | — | — | — | |
| 46 | 33858 | Loughman | — | — | — | |
| 47 | 33863 | Nichols | — | — | — | |
| 48 | 33867 | River Ranch | — | — | — | |
| 49 | 33868 | Polk City | — | — | 86 (1 health) | $236K |
| 50 | 33877 | Waverly | — | — | 50 (3 health) | $189K |
| 51 | 33882 | Winter Haven | — | — | — | |
| 52 | 33883 | Winter Haven | — | — | — | |
| 53 | 33885 | Winter Haven | — | — | — | |
| 54 | 33888 | Winter Haven | — | — | — |
Recommended Buyer Guides for Polk County
Four sources - EPA, NSF, FEMA, CDC - drive the match.
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Polk County, Florida
Overview
Polk County in Florida covers 54 tracked ZIP records with an average Home Safety Score of C (64/100) across 27 scored records.
34 of 34 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 28 health-based violations appear in the available health breakdown.
← Back to Florida 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.