Data Last Updated: January 1, 2025

Mercer County, KY ZIP Codes

ZIP Codes: Shows how many general ZIP Codes, PO Boxes, Unique (Business), and Multi County ZIP Codes are associated with Mercer, KY.4 ZIP Codes (2 General, 1 PO Box, 0 Unique, & 1 Multi County) [More Details]
Area Code: The Telephone Area Code that are associated with Mercer, KY. Area Codes are used in the North American Numbering Plan (NANP) to facilitate phone routing. There are approximately 350 area codes in use in the United States.859
Timezone: Time zone designation within the U.S. Please note that not all areas in the U.S. observe daylight saving time which can affect actual local time for this city. There are 7 standard time zones which are, from west to east: Hawaii-Aleutian, Alaska, Pacific, Mountain, Central, Eastern, Atlantic. Also included in U.S. Territories are Samoa, Guam and Palau.Eastern
Local Time: The current local time for each timezone. If more than 1 time zone for this area, all local times will be shown. Counties can cross timezones, so more than 1 may be shown.4:34:51 AM
Population: The population of Mercer, KY from the U.S. Census 2020. Included are U.S. Citizens, permanent residents, temporary migrants, and undocumented individuals. The total population represents people who live in the city, not just those present while the Census was being completed.22,641 [More Details]
FIPS: FIPS stands for Federal Information Processing Standards, which are a set of publicly announced standards for computer systems. A county FIPS code is a unique numeric identifier for a county in the United States, assigned by the National Institute of Standards and Technology (NIST). County FIPS codes have five digits, with the first two digits identifying the state and the last 3 indicating the county.21167
CBSA: A Core Based Statistical Area (CBSA) is the recognized term for a region that functions around an urban core with a population of at least 10,000 people, according to the standards set by the Office of Management and Budget (OMB) in 2000. A CBSA is divided into two subsets: Metro and Micro, and these classifications are determined by population density. A Micro area is identified by a population ranging between 10,000 to 50,000, while a Metro area is defined as having a population that exceeds 50,000.None
Land Area: The approximate amount of land area covered by Mercer, KY in square miles. The Land Area provided by the Census Bureau is based on geographic boundaries that include the mainland, islands, inland, coastal, Great Lakes, and territorial waters associated with each city.249 square miles
Water Area: The approximate amount of water area covered by Mercer, KY in square miles. Calculations by the Census Bureau for Water Area take into account inland bodies of water, coastal regions, Great Lakes, and territorial sea waters. This encompasses features such as lakes, reservoirs, rivers, and coastal water bodies.4 square miles
Coordinates: The latitude/longitude centroid coordinates for Mercer County, KY.-84.874451, 37.811034
Quick Link: Copy the direct link to the Mercer, KYCounty page and use anywhere you like!
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Mercer, KY ZIP Code Boundaries

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Mercer County, KY Covers 4 ZIP Codes

ZIP CodeClassificationCityPopulation% of Population
ZIP Code 40310P.O. BoxBurgin575 2.54%
ZIP Code 40330GeneralHarrodsburg20,440 90.28%
ZIP Code 40372GeneralSalvisa2,344 10.35%
ZIP Code 40468 *GeneralPerryville1,840 --

* Indicates a Multi County ZIP Code. These ZIP Codes partially cross over into Mercer, KY, but will mostly cover area in a different County. Not included in % of Population calculations.

Important Mercer, KY Information

Mercer County, KY Covers 4 ZIP Codes. This includes 2 General ZIP Codes, 1 PO Box ZIP Codes, and 0 Unique (reserved for Business and Volume Mail Receivers). There is also 1 Multi County ZIP Code in this area. This record is assigned to a different county, but it does partially cover area in Mercer County.

The population for Mercer County is 22,641, according to the U.S. Census. Population Density is 90.93 persons per square mile. With 10,338 Housing Units, the Average Household Size is 2.43 persons. There are 9,213 Family Households with an Average Family Size of 2.86 persons. 5.22% of the population is without Health Insurance. The 54.35% Employment Rate is 5.45% above the national average of 59.8%. 15,649 people aged 25+ have some educational achievement, with 20.07% (or 3,141 people) having attained a Bachelor's Degree or higher. More Demographics are available below.

859 is the only area code for this area. Mercer is also located in the Eastern timezone and the current local time is shown above.

ZIP Codes in Mercer, KY have 10,171 Residential mailboxes and 462 Business mailboxes. There are 362 businesses with a total of 5,575 employees. That is an average of 15.4 employees per business. Annual payroll for these businesses is $272,233,000. Other Demographics

Mercer County Demographic Profile

Population & People
Population & People
Total Population
22,641
Income
Income
Median Household Income
$53,750
Housing
Housing
Total Housing Units
10,338
Healthcare
Health
Without Healthcare Coverage
5.22%
Business & Economy
Business & Economy
Total Businesses
362
Families
Families
Total Households
9,213
Employment
Employment
Employment Rate
54.35%
Education
Education
Bachelor's Degree or Higher
20.07%
Total Population: Total number of people from the 2020 U.S. Census for Mercer, KY. This reflects the exact count of this area at that point in time, not future estimates, regardless of citizenship or immigration status. It is intended to count all persons living within the geographic area, not just those present on the day of the census. 22,641
Current Population Estimate: This field gives the estimated household population for All ZIP Codes in Mercer, KY. This is derived from known delivery information, household occupancy rates, household size, and more to come up with an accurate estimation for the current population.

IMPORTANT: This does not include population totals for persons in nursing homes, correctional facilities, or other institutions. This is an estimation of the household population based on US Postal Service delivery information.
24,786
Total Households: Total number of Households from the 2020 U.S. Census for Mercer, KY. A Household includes everyone living in a residential housing unit. This includes families, roommates in a single residence, or a person living alone. 9,213
Total Housing Units: The total number of Housing Units is the number of occupied units + the number of vacant units. Ownership is defined by whether the unit is occupied by an owner or by a tenant. Owner occupancy means that the owner lives in the unit. This value comes from the 2020 U.S. Census and is not a projection or estimate. 10,338
Average Household Size: The Average Household Size, is obtained by dividing the number of people in Households (excluding those in group quarters, nursing home, prisons, and dorm rooms) by the number of Households. A Household includes everyone living in a residential unit. Those who do not live in a household are classified as living in group accommodation. This value is an estimate from the U.S. Census ACS (American Community Survey) and is updated yearly. 2.43
Average Family Size: Average Family Size is calculated by dividing the number of people in a Family Household by the number of Family Households. The U.S. Census Bureau defines family households as households consisting of two or more individuals who are related by birth, marriage, or adoption. They also may include other unrelated people. Non-family households consist of people who live alone or who share their residence with unrelated individuals. The Average Family Size only looks at the households classified as Family Households. This value is an estimate from the U.S. Census ACS (American Community Survey) and is updated yearly. 2.86

Other Mercer Demographics

# Residential Mailboxes: The number of active residential delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types. 10,171
# Business Mailboxes: The number of active business delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types. 462
Total Delivery Receptacles: The total number of delivery receptacles. This includes curb side mailboxes, centralized units, PO Boxes, NDCBU, and contract boxes. This count is for Residential and Business combined. 14,036
Single Family Delivery Units: Total count of single family mail delivery receptacles; generally analogous to homes. 9,121
Multi Family Delivery Units: Total count of multifamily mail delivery receptacles; generally analogous to apartments. 135
# of Businesses: The total number of Business Establishments. Data taken from Business Census 2023. 362
1st Quarter Payroll: The total payroll for the first quarter. Data taken from Business Census 2023. $71,803,000
Annual Payroll: The total annual payroll . Data taken from Business Census 2023. $272,233,000
# of Employees: The total number of employees for all ZIP Codes in this City. Data taken from Business Census 2023. 5,575

Sum of all ZIP Codes assigned Mercer, KY as their primary County.

References

  1. U.S. Postal Service [Last Updated: 1/1/2025], https://www.usps.com
  2. ZIP-Codes.com Internal Data Creation [Last Updated: 1/1/2025], https://www.zip-codes.com
  3. U.S. Geological Survey [Updated as needed], https://www.usgs.gov
  4. U.S. Census [Updated Yearly], https://www.census.gov
  5. U.S. Census 2020 [Decennial] [Last Updated: 5/25/2023], https://www.census.gov
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