Gray, KY 40734 ZIP Code Profile

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Gray, KY

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ZIP Code 40734: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Gray, KY 40734

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 48
  • Single Family Addresses: 1,329
  • Multi-Family Addresses: 0
  • County: Knox County
  • Centroid: Latitude 36.952, Longitude -83.964
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

ZIP Code 40734 has segments in 2 Counties (Knox, Laurel).

Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


40734 ZIP Code Map

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Gray, KY 40734 Data & Demographics (As of July 1, 2017)


Total Population 3,893
Daytime Population: Workers 1,112
Daytime Population: Residents 2,760
Total Daytime Population (TDP) 3,872
Ratio TDP/Total Population1 0.99
Population in Households 3,889
Population in Familes 3,248
Population in Group Qrtrs 4
Population Density2 82
Diversity Index3 6


Median Household Income $33,554
Average Household Income $47,353
Per Capita Income $18,588


Total Housing Units 1,811 (100%)
Owner Occupied HU 1,135 (62.7%)
Renter Occupied HU 392 (21.6%)
Vacant Housing Units 284 (15.7%)
Median Home Value $82,898
Average Home Value $93,018


Total Households 1,527
Average Household Size 2.55
Family Households 1,066
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population -0.48% -0.27%
Households -0.56% -0.32%
Families -0.75% -0.45%
Median Household Income   1.63%
Per Capita Income   2.7%

Gray, KY 40734 - Peer Comparisons by Rank and Percentile

The table below compares 40734 to the other 756 ZIP Codes in Kentucky by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 237 69th
Population Density # 286 62nd
Diversity Index # 530 30th
Median Household Income # 522 31st
Per Capita Income # 524 31st

Additional comparisons and rankings can be made with a VERY EASY TO USE Kentucky Census Data Comparison Tool.

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