{
  "zip": "17551",
  "type": "standard",
  "type_source": "inferred",
  "city": "Millersville",
  "other_place_names": [],
  "state": "PA",
  "state_name": "Pennsylvania",
  "county": {
    "fips": "42071",
    "name": "Lancaster County",
    "short_name": "Lancaster"
  },
  "counties": [
    {
      "county_fips": "42071",
      "name": "Lancaster County",
      "short_name": "Lancaster",
      "weight": 1,
      "basis": "land_area"
    }
  ],
  "location": {
    "lat": 39.978498,
    "lng": -76.372983,
    "source": "gazetteer_internal_point",
    "timezone": "America/New_York"
  },
  "is_zcta": true,
  "parent_zcta": null,
  "metro": {
    "cbsa_code": "29540",
    "name": "Lancaster, PA",
    "type": "metro",
    "csa_code": null,
    "csa_name": null
  },
  "demographics": {
    "population": 11753,
    "households": 3608,
    "housing_units": 3725,
    "median_age": 23.1,
    "median_household_income": 68661,
    "median_home_value": 287900,
    "median_rent": 1485,
    "pct_bachelors_plus": 43.5,
    "mean_commute_min": 21.7,
    "density_per_sqmi": 1107.6
  },
  "business": {
    "establishments": 116,
    "employees": 916,
    "annual_payroll_thousands": 33184
  },
  "tax": {
    "irs_returns": 4370,
    "irs_agi_thousands": 362418
  },
  "area": {
    "land_sqmi": 10.611,
    "water_sqmi": 0.182
  },
  "nearest_zips": [
    {
      "zip": "17516",
      "miles": 3.6,
      "city": "Conestoga",
      "state": "PA"
    },
    {
      "zip": "17504",
      "miles": 4,
      "city": "Bausman",
      "state": "PA"
    },
    {
      "zip": "17603",
      "miles": 4.3,
      "city": "Lancaster",
      "state": "PA"
    },
    {
      "zip": "17582",
      "miles": 4.4,
      "city": "Washington Boro",
      "state": "PA"
    },
    {
      "zip": "17583",
      "miles": 4.6,
      "city": "West Willow",
      "state": "PA"
    },
    {
      "zip": "17503",
      "miles": 4.9,
      "city": "Bart",
      "state": "PA"
    },
    {
      "zip": "17564",
      "miles": 4.9,
      "city": "Penryn",
      "state": "PA"
    },
    {
      "zip": "17605",
      "miles": 4.9,
      "city": "Lancaster",
      "state": "PA"
    },
    {
      "zip": "17607",
      "miles": 4.9,
      "city": "Lancaster",
      "state": "PA"
    },
    {
      "zip": "17608",
      "miles": 4.9,
      "city": "Lancaster",
      "state": "PA"
    }
  ],
  "release": "2026-10-12",
  "attribution": {
    "source": "zipcodes.pro",
    "url": "https://zipcodes.pro/zip/17551",
    "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."
  }
}