Data Last Updated: July 1, 2025

Ohio County, KY ZIP Codes

ZIP Codes: Shows how many general ZIP Codes, PO Boxes, Unique (Business), and Multi County ZIP Codes are associated with Ohio, KY.	17 ZIP Codes (11 General, 1 PO Box, 0 Unique, & 5 Multi County) [More Details]
Area Codes: The Telephone Area Codes that are associated with Ohio, 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.	270, 364
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.	Central
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.	12:00:00 AM
Population: The population of Ohio, 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.	23,772 [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.	21183
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 Ohio, 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.	587 square miles
Water Area: The approximate amount of water area covered by Ohio, 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.	9 square miles
Coordinates: The latitude/longitude centroid coordinates for Ohio County, KY.	-86.848884, 37.478197
Quick Link: Copy the direct link to the Ohio, KYCounty page and use anywhere you like!	https://www.zip-codes.com/county/ky-ohio.asp

Ohio, KY ZIP Code Boundaries

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Ohio County, KY Covers 17 ZIP Codes

ZIP Code	Classification	City	Population	% of Population
ZIP Code 40119 *	General	Falls Of Rough	2,100	--
ZIP Code 42320	General	Beaver Dam	8,442	35.51%
ZIP Code 42328	General	Centertown	1,245	5.24%
ZIP Code 42333	General	Cromwell	1,082	4.55%
ZIP Code 42338	General	Dundee	88	0.37%
ZIP Code 42343	General	Fordsville	1,792	7.54%
ZIP Code 42347	General	Hartford	6,126	25.77%
ZIP Code 42349	General	Horse Branch	1,353	5.69%
ZIP Code 42352 *	General	Livermore	1,989	--
ZIP Code 42354	General	Mc Henry	327	1.38%
ZIP Code 42361	General	Olaton	583	2.45%
ZIP Code 42366 *	General	Philpot	6,210	--
ZIP Code 42368	General	Reynolds Station	1,337	5.62%
ZIP Code 42369	General	Rockport	311	1.31%
ZIP Code 42370	P.O. Box	Rosine	52	0.22%
ZIP Code 42376 *	General	Utica	6,678	--
ZIP Code 42378 *	General	Whitesville	3,277	--

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

Important Ohio, KY Information

Ohio County, KY Covers 17 ZIP Codes. This includes 11 General ZIP Codes, 1 PO Box ZIP Codes, and 0 Unique (reserved for Business and Volume Mail Receivers). There are also 5 Multi County ZIP Codes. These records are assigned a different primary county, but they partially cover area in Ohio County.

The population for Ohio County is 23,772, according to the U.S. Census. Population Density is 40.50 persons per square mile. With 10,159 Housing Units, the Average Household Size is 2.54 persons. There are 9,280 Family Households with an Average Family Size of 2.87 persons. 5.27% of the population is without Health Insurance. The 51.42% Employment Rate is 8.38% above the national average of 59.8%.16,088 people aged 25+ have some educational achievement, with 14.18% (or 2,281 people) having attained a Bachelor's Degree or higher.More Demographics are available below.

There are 2 area codes serving this area including270 and 364. Ohio is also located in the Central timezone and the current local time is shown above.

ZIP Codes in Ohio, KY have 9,223 Residential mailboxes and 371 Business mailboxes.There are 349 businesses with a total of 7,107 employees. That is an average of 20.4 employees per business. Annual payroll for these businesses is $263,269,000. Other Demographics

Ohio County Demographic Profile

Population & People

Total Population

23,772

Income

Median Household Income

$54,369

Housing

Total Housing Units

10,159

Health

Without Healthcare Coverage

5.27%

Business & Economy

Total Businesses

349

Families

Total Households

9,280

Employment

Employment Rate

51.42%

Education

Bachelor's Degree or Higher

14.18%

Total Population: Total number of people from the 2020 U.S. Census for Ohio, 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.	23,772
Current Population Estimate: This field gives the estimated household population for All ZIP Codes in Ohio, 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.	23,289
Total Households: Total number of Households from the 2020 U.S. Census for Ohio, KY. A Household includes everyone living in a residential housing unit. This includes families, roommates in a single residence, or a person living alone.	9,280
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.	10,159
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.	2.54
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.	2.87

Other Ohio Demographics

# Residential Mailboxes: The number of active residential delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	9,223
# Business Mailboxes: The number of active business delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	371
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.	10,845
Single Family Delivery Units: Total count of single family mail delivery receptacles; generally analogous to homes.	8,777
Multi Family Delivery Units: Total count of multifamily mail delivery receptacles; generally analogous to apartments.	53

# of Businesses: The total number of Business Establishments. Data taken from Business Census 2023.	349
1st Quarter Payroll: The total payroll for the first quarter. Data taken from Business Census 2023.	$60,962,000
Annual Payroll: The total annual payroll . Data taken from Business Census 2023.	$263,269,000
# of Employees: The total number of employees for all ZIP Codes in this City. Data taken from Business Census 2023.	7,107

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

References

U.S. Postal Service [Last Updated: 7/1/2025], https://www.usps.com
ZIP-Codes.com Internal Data Creation [Last Updated: 7/1/2025], https://www.zip-codes.com
U.S. Geological Survey [Updated as needed], https://www.usgs.gov
U.S. Census [Updated Yearly], https://www.census.gov
U.S. Census 2020 [Decennial] [Last Updated: 5/25/2023], https://www.census.gov