Hamilton County, New York
Hamilton County covers 1,717 square miles of land. Below is what the Isopleth API returned at the Census Bureau's interior point for the county (43.65788, -74.50246) on 2026-10-29. The ground sits at 699 m (2,293 ft) on a 17.8° slope, the mapped soil is well drained, it is outside a mapped FEMA floodplain, the nearest 69 kV+ substation is 22.4 km (13.9 mi) away and a major road is 8.3 km (5.2 mi) away. Values describe that one point, not the whole county; look up your own address or coordinates for your site.
Sample point values
| field | value | source |
|---|---|---|
| Inside a mapped floodplain | No | FEMA_NFHL Federal Emergency Management Agency |
| Wildfire, annual frequency | 0.000029 events a year | FEMA_NRI Federal Emergency Management Agencyvintage December 2025 |
| Tornado, annual frequency | 0.10 events a year | FEMA_NRI Federal Emergency Management Agencyvintage December 2025 |
| Hail, annual frequency | 1.6 events a year | FEMA_NRI Federal Emergency Management Agencyvintage December 2025 |
| Current drought category | D0 | USDM_CURRENT The U.S. Drought Monitor is jointly produced by the National Drought Mitigation Center at the University of Nebraska-Lincoln, the United States Department of Agriculture, and the National Oceanic and Atmospheric Administration. Map courtesy of NDMC.vintage US Drought Monitor map valid 20261020 |
| On a mapped wetland | No | USFWS_NWI U.S. Fish and Wildlife Service |
| Nearest mapped wetland | 426 m | USFWS_NWI U.S. Fish and Wildlife Service |
| Elevation | 699 m (2,293 ft) | USGS_3DEP_COG U.S. Geological Surveyvintage 3DEP 1/3 arc-second seamless DEM |
| Slope | 17.8° | USGS_3DEP_COG U.S. Geological Survey |
| Soil drainage | Well drained | USDA_SSURGO U.S. Department of Agriculturevintage SSURGO NY041 mukey 291988 |
| Soil hydrologic group | B | USDA_SSURGO U.S. Department of Agriculturevintage SSURGO NY041 mukey 291988 |
| Farmland class | Prime | USDA_SSURGO U.S. Department of Agriculturevintage SSURGO NY041 mukey 291988 |
| Land use | Forest | USFS_LCMS USDA Forest Servicevintage USFS LCMS CONUS 2025 annual (30 m) |
| Crop or cover (CDL) | Deciduous Forest | USDA_CDL U.S. Department of Agriculturevintage USDA CDL 2025 (30 m) |
| Tree canopy | 82% | USFS_NLCD_TCC USDA Forest Servicevintage USFS/MRLC NLCD Tree Canopy Cover (latest annual, 30 m) |
| On protected land (PAD-US) | Yes | PAD_US USGS Protected Areas Database of the United States (PAD-US)vintage USGS PAD-US 4.1 (Protection Mechanism Category combined layer) |
| Surface manager | Private or unknown | BLM_SMA Bureau of Land Management |
| Annual precipitation (normal) | 1,318 mm (52 in) | NOAA_NCEI_NORMALS_GRIDDED National Oceanic and Atmospheric Administrationvintage NOAA NCEI 1991-2020 gridded (nClimGrid) monthly normals v1.0, annual layers |
| Days above 32 °C a year | 0 days | NOAA_NCEI_NCLIMGRID_DAILY National Oceanic and Atmospheric Administrationvintage NOAA nClimGrid-Daily v1.0 (scaled), 1991-2020 mean annual day counts |
| Solar resource (GHI) | 3.78 kWh/m²/day | NREL_SOLAR_RESOURCE_V1 NREL Solar Resource Data (NSRDB)vintage NREL PSM v3 multiyear annual average (1998-2016, ~4 km, Americas) |
| Mean wind speed at 100 m | 7.9 m/s | NREL_WIND_TOOLKIT NREL WIND Toolkit (Draxl et al., 2015)vintage NREL WIND Toolkit CONUS v1.0.0, 2007-2013 (5-min, 2 km) |
| Wind capacity factor | 49% | NREL_REV_LANDBASED_WIND_SC_2024 NREL reV supply curves, Open Energy Data Initiative (OEDI)vintage NREL reV land-based wind SC 2024 (Open access) |
| Nearest substation (69 kV+) | 22.4 km (13.9 mi) | EIA_POWER U.S. Energy Information Administration |
| Nearest gas pipeline | 62.4 km (38.8 mi) | EIA_ATLAS U.S. Energy Information Administration |
| Electric utility | NIAGARA MOHAWK POWER CORP. | EIA_POWER U.S. Energy Information Administrationvintage HIFLD Electric Retail Service Territories |
| In a public water service area | No | EPA_CWS_SERVICE_AREAS U.S. Environmental Protection Agencyvintage V3.0 (2026-03-17) |
| Depth to water, nearest monitored well | 0.9 m (3 ft) | USGS_NWIS_OGC U.S. Geological Surveyvintage USGS Water Data discrete groundwater-level field measurements (latest per well) |
| Nearest major road | 8.3 km (5.2 mi) | OVERTURE_TRANSPORTATION © Overture Maps Foundation, © OpenStreetMap contributorsvintage 2026-10-21.0 |
| Nearest fire station | 20.6 km (12.8 mi) | OVERTURE_PLACES © Overture Maps Foundationvintage 2026-10-21.0 |
| Nearest school | 20.7 km (12.8 mi) | OVERTURE_PLACES © Overture Maps Foundationvintage 2026-10-21.0 |
| In an Opportunity Zone | No | HUD_OPPORTUNITY_ZONES U.S. Department of Housing and Urban Development |
Fields with no data at this point are left out. See the field catalog for all 351 fields.
Parcels
Parcel records: 3,827,529 parcels in 59 counties. Hamilton County has 12,942 of them. Published by NYS ITS Geospatial Services; NYS DTF Office of Real Property Tax Services; contributing counties (Public, attribution); 2025 assessment roll (published May 2026; 38 of 62 counties), refreshed annual.
Share of parcels with each column filled: owner name 100%, site address 100%, total value 66%, land use 100%, year built 69%. Not published here: sale date, zoning.
The parcel under the sample point is 5,057.7 acres; its public record includes owner name, site address, mailing address, total value, assessed value, land value, land-use code. parcel_enrich returns that record for any parcel you ask about, and parcel_search finds parcels by acreage, land use or value.
Look up your own site
curl https://api.isopleth.dev/v1/fetch -H "Authorization: Bearer $ISOPLETH_KEY" \
-H "Content-Type: application/json" \
-d '{"lat": 43.657879, "lng": -74.502456, "preset": "site_selection"}'
Or ask your assistant through the MCP server: “Using Isopleth, check flood zone, wetlands, soils and distance to power for [your address in Hamilton County, New York].”
Buying land here? Check the Land’s Hamilton County page shows what its $29 report checks, built on these same Isopleth fields.
More in New York: St. Lawrence County · Essex County · New York overview · all states