{
  "zip": "52040",
  "type": "standard",
  "type_source": "inferred",
  "city": "Dyersville",
  "other_place_names": [
    "Farley"
  ],
  "state": "IA",
  "state_name": "Iowa",
  "county": {
    "fips": "19055",
    "name": "Delaware County",
    "short_name": "Delaware"
  },
  "counties": [
    {
      "county_fips": "19055",
      "name": "Delaware County",
      "short_name": "Delaware",
      "weight": 0.5364,
      "basis": "land_area"
    },
    {
      "county_fips": "19061",
      "name": "Dubuque County",
      "short_name": "Dubuque",
      "weight": 0.4636,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 42.503641,
    "lng": -91.14169,
    "source": "gazetteer_internal_point",
    "timezone": "America/Chicago"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": null,
  "demographics": {
    "population": 5584,
    "households": 2348,
    "housing_units": 2420,
    "median_age": 43,
    "median_household_income": 84761,
    "median_home_value": 242300,
    "median_rent": 1097,
    "pct_bachelors_plus": 27.4,
    "mean_commute_min": 17.8,
    "density_per_sqmi": 90.1
  },
  "business": {
    "establishments": 253,
    "employees": 3420,
    "annual_payroll_thousands": 174554
  },
  "tax": {
    "irs_returns": 3000,
    "irs_agi_thousands": 247482
  },
  "area": {
    "land_sqmi": 61.954,
    "water_sqmi": 0.069
  },
  "nearest_zips": [
    {
      "zip": "52041",
      "miles": 5.8,
      "city": "Earlville",
      "state": "IA"
    },
    {
      "zip": "52065",
      "miles": 5.9,
      "city": "New Vienna",
      "state": "IA"
    },
    {
      "zip": "52078",
      "miles": 7.6,
      "city": "Worthington",
      "state": "IA"
    },
    {
      "zip": "52056",
      "miles": 7.8,
      "city": "Luxemburg",
      "state": "IA"
    },
    {
      "zip": "52046",
      "miles": 7.9,
      "city": "Farley",
      "state": "IA"
    },
    {
      "zip": "52036",
      "miles": 10.4,
      "city": "Delaware",
      "state": "IA"
    },
    {
      "zip": "52223",
      "miles": 11.2,
      "city": "Delhi",
      "state": "IA"
    },
    {
      "zip": "52045",
      "miles": 11.2,
      "city": "Epworth",
      "state": "IA"
    },
    {
      "zip": "52053",
      "miles": 11.5,
      "city": "Holy Cross",
      "state": "IA"
    },
    {
      "zip": "52035",
      "miles": 11.7,
      "city": "Colesburg",
      "state": "IA"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/52040",
    "sources_url": "https://zipcodes.pro/sources",
    "license": "Facts derived from US public-domain data (Census, IRS) and GeoNames (CC BY 4.0). Attribution appreciated: zipcodes.pro",
    "note": "A null value means the source did not publish that figure for this ZIP code. It does not mean zero."
  }
}