Reference Data in Polk 12 indicators covering reference data for Polk. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 286.86 Degree days 2025 up 13.2% 411th Cooling and heating degree days - Cities and FUAs — Change in cooling 2 Degree days 2025 up 106.4% 452nd Cooling and heating degree days - Cities and FUAs 2,806 Degree days 2025 up 10.4% 103rd Cooling and heating degree days - Cities and FUAs — Change in heating -21.09 Degree days 2025 up 92.6% 139th Precipitation - Cities and FUAs — Extreme precipitation days 13.41 Days per year 2024 up 15.3% 358th Precipitation - Cities and FUAs — Change in extreme precipitation 0.9757 Days per year 2024 up 221.5% 657th Dependency ratio - Cities and FUAs 22.1 Percentage of population aged 15-64 years 2024 up 25.6% 962nd Wind threats - Cities and FUAs — Exposure to wind threats 0 Percentage of area 2023 — 273rd Coastal flooding - Cities and FUAs — Built-up area exposure to 0 Percentage of built-up area 2022 — 277th Main mode of transport to work - Cities and FUAs — Employed persons 223,889 Persons 2023 up 2.0% 81st Internet speed - Cities and FUAs — Downloading speed 4.6 Percentage of national value 2025 up 115.0% 702nd Internet speed - Cities and FUAs — Uploading speed 54.6 Percentage of national value 2025 up 312.5% 52nd