Interactive Data Dictionary

Primary key. 5-digit ZIP Code Tabulation Area (ZCTA) code.

Census ZCTA name identifier (e.g., 'ZCTA5 90210').

2-digit FIPS code for the state or territory.

2-letter U.S. postal abbreviation (e.g., 'CA').

Full state name.

5-digit FIPS code for the primary county.

Name of the primary county.

Core Based Statistical Area (CBSA) code. Null if not in a metro/micro area.

Name of the CBSA (e.g., 'New York-Newark-Jersey City').

Combined Statistical Area (CSA) code. Null if not in a CSA.

Name of the CSA.

'Metropolitan Statistical Area' or 'Micropolitan Statistical Area'. Null if neither.

Latitude of the ZCTA centroid (decimal degrees).

Longitude of the ZCTA centroid (decimal degrees).

Land area in square meters.

Water area in square meters.

Land area in square miles.

Water area in square miles.

Population per square mile of land area (total_population / land_area_sqmi).

Classification based on population density per sq mile: >=3000 (Urban), >=1000 (Suburban), >=100 (Exurban), <100 (Rural).

USDA Rural-Urban Continuum Code (1=most urban to 9=most rural).

Text description of the RUCC code.

True if the county is in a Metropolitan Statistical Area, False otherwise.

Total resident population.

Median age of the population in years.

Total male population.

Total female population.

Population under 18 years old.

Population 65 years and older.

Total number of households.

Number of family households (related persons living together).

Number of nonfamily households (persons living alone or with non-relatives).

Total housing units (occupied + vacant).

Occupied housing units.

Vacant housing units.

Housing vacancy rate (% of total units that are vacant).

Owner-occupied housing units.

Renter-occupied housing units.

Median value of owner-occupied housing units (dollars).

Median monthly gross rent (dollars).

Median year that housing structures were built.

Median household income in the past 12 months (dollars).

Per capita income in the past 12 months (dollars).

Population 16 years and older (labor force universe).

Population in the civilian labor force plus armed forces.

Civilian labor force (employed + unemployed civilians).

Employed civilian population.

Unemployed civilian population.

Total workers 16+ who commute to work.

Workers who drove alone to work.

Workers who carpooled to work.

Workers who used public transportation to work.

Workers who walked to work.

Workers who worked from home.

Aggregate travel time to work for all workers (minutes).

Estimated total vehicles available (sum across owner & renter units).

Average number of vehicles per occupied household.

Male population under 5 years old.

Male population aged 5 to 9.

Male population aged 10 to 14.

Male population aged 15 to 17.

Male population aged 65 to 66.

Male population aged 67 to 69.

Male population aged 70 to 74.

Male population aged 75 to 79.

Male population aged 80 to 84.

Male population aged 85 and older.

Female population under 5 years old.

Female population aged 5 to 9.

Female population aged 10 to 14.

Female population aged 15 to 17.

Female population aged 65 to 66.

Female population aged 67 to 69.

Female population aged 70 to 74.

Female population aged 75 to 79.

Female population aged 80 to 84.

Female population aged 85 and older.

Population identifying as White alone.

Population identifying as Black or African American alone.

Population identifying as Asian alone.

Population of Hispanic or Latino origin (any race).

Population identifying as American Indian and Alaska Native alone.

Population identifying as Native Hawaiian and Other Pacific Islander alone.

Population identifying as some other race alone.

Population identifying as two or more races.

Population not of Hispanic or Latino origin.

Population 5+ who speak only English at home.

Population 5+ who speak Spanish at home.

Population 5+ who speak Chinese (incl. Mandarin, Cantonese) at home.

Total civilian veteran population aged 18+.

Total population 1 year and older (mobility universe).

Moved from a different state in the past year.

Moved from abroad in the past year.

Owner-occupied units with no vehicle available.

Owner-occupied units with 1 vehicle available.

Owner-occupied units with 2 vehicles available.

Owner-occupied units with 3 vehicles available.

Owner-occupied units with 4 vehicles available.

Owner-occupied units with 5 or more vehicles available.

Renter-occupied units with no vehicle available.

Renter-occupied units with 1 vehicle available.

Renter-occupied units with 2 vehicles available.

Renter-occupied units with 3 vehicles available.

Renter-occupied units with 4 vehicles available.

Renter-occupied units with 5 or more vehicles available.

Households with an internet subscription.

Households with no internet access.

Total civilian noninstitutionalized population (health insurance universe).

Population under 6 with health insurance coverage.

Population under 6 without health insurance.

Population 6-17 with health insurance coverage.

Population 6-17 without health insurance.

Population 18-24 with health insurance coverage.

Population 18-24 without health insurance.

Population 25-34 with health insurance coverage.

Population 25-34 without health insurance.

Population 35-44 with health insurance coverage.

Population 35-44 without health insurance.

Population 45-54 with health insurance coverage.

Population 45-54 without health insurance.

Population 55-64 with health insurance coverage.

Population 55-64 without health insurance.

Population 65+ with health insurance coverage.

Population 65+ without health insurance.

Number of business establishments.

Total number of paid employees (mid-March pay period).

Total annual payroll (thousands of dollars).

The 2-digit NAICS prefix code representing the primary industry by estimated employment.

The estimated number of employees belonging to the primary NAICS industry.

The human-readable name of the primary NAICS industry by estimated employment (e.g., 'Retail Trade'). Null if no granular industry data is available.

Average number of employees per establishment.

Average annual wage per employee (dollars).

Business establishments per 1,000 residents (business_establishments / total_population * 1000).

Ratio of paid employees to total population (business_employees / total_population).

Total individual income tax returns filed.

Total adjusted gross income (thousands of dollars).

Mean adjusted gross income per return (thousands of dollars).

Total salaries and wages reported (thousands of dollars).

Total taxable income (thousands of dollars).

Total income tax amount (thousands of dollars).

Total charitable contributions claimed (thousands of dollars).

Number of returns with itemized deductions.

Total itemized deduction amount (thousands of dollars).

National percentile rank for median household income (0-100).

National percentile rank for % with bachelor's degree+ (0-100).

Composite affluence score (0-100) calculated as the average of the national percentile ranks for median household income and bachelor's degree attainment.

True if in the top 5% of ZCTAs nationally by superzip_index, False otherwise.

National rank by superzip_index (1 = most affluent ZCTA).

Estimated Democratic presidential votes. Apportioned from the ZCTA's primary county based on the ZCTA's population footprint inside that county (2024).

Estimated Republican presidential votes. Apportioned from the ZCTA's primary county based on the ZCTA's population footprint inside that county (2024).

Estimated total presidential votes cast. Apportioned from the ZCTA's primary county based on population (2024).

Democratic vote share as a decimal, based on apportioned ZCTA-level totals (2024).

Republican vote share as a decimal, based on apportioned ZCTA-level totals (2024).

Partisan lean index: positive = Dem, negative = GOP. Derived from apportioned ZCTA vote totals (2024).

Categorical label: 'Strong Dem', 'Lean Dem', 'Toss-up', 'Lean GOP', 'Strong GOP' (2024).

Estimated Democratic presidential votes. Apportioned from the ZCTA's primary county based on population (2020).

Estimated Republican presidential votes. Apportioned from the ZCTA's primary county based on population (2020).

Estimated total presidential votes cast. Apportioned from the ZCTA's primary county based on population (2020).

Democratic vote share as a decimal (2020).

Republican vote share as a decimal (2020).

Partisan lean index: positive = Dem, negative = GOP (2020).

Categorical label: 'Strong Dem', 'Lean Dem', 'Toss-up', 'Lean GOP', 'Strong GOP' (2020).

Primary congressional district code (e.g., '3614' for NY-14).

Name of the primary congressional district (e.g., 'Congressional District 1').

2-digit district number within the state.

Comma-separated list of all congressional districts overlapping the ZCTA.

Number of distinct congressional districts overlapping the ZCTA.

NOAA Climate Division identifier. ZCTAs inherit the climate data of the NOAA Climate Division corresponding to the primary county containing the largest share of their land area.

Average temperature in January (F).

Average temperature in February (F).

Average temperature in March (F).

Average temperature in April (F).

Average temperature in May (F).

Average temperature in June (F).

Average temperature in July (F).

Average temperature in August (F).

Average temperature in September (F).

Average temperature in October (F).

Average temperature in November (F).

Average temperature in December (F).

Average daily high temperature in January (F).

Average daily high temperature in February (F).

Average daily high temperature in March (F).

Average daily high temperature in April (F).

Average daily high temperature in May (F).

Average daily high temperature in June (F).

Average daily high temperature in July (F).

Average daily high temperature in August (F).

Average daily high temperature in September (F).

Average daily high temperature in October (F).

Average daily high temperature in November (F).

Average daily high temperature in December (F).

Average daily low temperature in January (F).

Average daily low temperature in February (F).

Average daily low temperature in March (F).

Average daily low temperature in April (F).

Average daily low temperature in May (F).

Average daily low temperature in June (F).

Average daily low temperature in July (F).

Average daily low temperature in August (F).

Average daily low temperature in September (F).

Average daily low temperature in October (F).

Average daily low temperature in November (F).

Average daily low temperature in December (F).

Average precipitation in January (inches).

Average precipitation in February (inches).

Average precipitation in March (inches).

Average precipitation in April (inches).

Average precipitation in May (inches).

Average precipitation in June (inches).

Average precipitation in July (inches).

Average precipitation in August (inches).

Average precipitation in September (inches).

Average precipitation in October (inches).

Average precipitation in November (inches).

Average precipitation in December (inches).

Heating degree days in January (base 65F).

Heating degree days in February (base 65F).

Heating degree days in March (base 65F).

Heating degree days in April (base 65F).

Heating degree days in May (base 65F).

Heating degree days in June (base 65F).

Heating degree days in July (base 65F).

Heating degree days in August (base 65F).

Heating degree days in September (base 65F).

Heating degree days in October (base 65F).

Heating degree days in November (base 65F).

Heating degree days in December (base 65F).

Cooling degree days in January (base 65F).

Cooling degree days in February (base 65F).

Cooling degree days in March (base 65F).

Cooling degree days in April (base 65F).

Cooling degree days in May (base 65F).

Cooling degree days in June (base 65F).

Cooling degree days in July (base 65F).

Cooling degree days in August (base 65F).

Cooling degree days in September (base 65F).

Cooling degree days in October (base 65F).

Cooling degree days in November (base 65F).

Cooling degree days in December (base 65F).

Average annual temperature (F).

Average daily high temperature across all months (F).

Average daily low temperature across all months (F).

Average daily high in the hottest month, typically July (F).

Average daily low in the coldest month, typically January (F).

Total annual precipitation (inches).

Total annual heating degree days (base 65F). Higher = colder climate.

Total annual cooling degree days (base 65F). Higher = hotter climate.

Mean elevation of the ZCTA in meters.

Mean elevation of the ZCTA in feet.

Occupied units heated by utility gas.

Occupied units heated by bottled, tank, or LP gas.

Occupied units heated by electricity.

Occupied units heated by fuel oil, kerosene, etc.

Occupied units heated by coal or coke.

Occupied units heated by wood.

Occupied units heated by solar energy.

Occupied units heated by other fuel.

Occupied units with no heating fuel used.

Comma-separated list of electric utility providers serving this ZCTA.

Number of electric utility providers serving this ZCTA.

Average residential electricity rate (dollars per kWh).

Average commercial electricity rate (dollars per kWh).

Average industrial electricity rate (dollars per kWh).

EPA eGRID subregion code(s) for the local power grid (e.g., 'NYUP'). ZCTAs are mapped to eGRID subregions by intersecting the ZCTA centroid with eGRID subregion boundaries.

Fraction of grid electricity generated from coal (0-1).

Fraction of grid electricity generated from natural gas (0-1).

Fraction of grid electricity generated from nuclear (0-1).

Fraction of grid electricity generated from hydropower (0-1).

Fraction of grid electricity generated from wind (0-1).

Fraction of grid electricity generated from solar (0-1).

Fraction of grid electricity generated from geothermal (0-1).

Fraction of grid electricity generated from biomass (0-1).

Combined renewable fraction (hydro + wind + solar + geothermal + biomass).

Combined fossil fraction (coal + gas).

CO₂ emission rate of the local grid (lbs per MWh generated).

NOₓ emission rate of the local grid (lbs per MWh generated).

SO₂ emission rate of the local grid (lbs per MWh generated).

Number of public EV charging stations in the ZCTA.

Number of Level 2 (240V AC) charging ports.

Number of DC Fast charging ports.

Total EV ports (Level 2 + DC Fast).

EV charging stations per 10,000 residents.

EV charging ports per square mile of land area.

Global Horizontal Irradiance (GHI) in kWh/m2/day.

Direct Normal Irradiance (DNI) in kWh/m2/day.

Clear Sky Insolation in kWh/m2/day.

Clearness Index (dimensionless fraction of extraterrestrial irradiance).

Estimated annual GHI in kWh/m2.

Solar quality rating based on annual GHI (1=Poor, 2=Fair, 3=Good, 4=Very Good, 5=Excellent).