Data Last Updated: May 1, 2025

Kennebec County, ME ZIP Codes

ZIP Codes: Shows how many general ZIP Codes, PO Boxes, Unique (Business), and Multi County ZIP Codes are associated with Kennebec, ME.	34 ZIP Codes (24 General, 8 PO Box, 2 Unique, & 0 Multi County) [More Details]
Area Code: The Telephone Area Code that are associated with Kennebec, ME. 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.	207
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.	12:00:00 AM
Population: The population of Kennebec, ME 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.	123,642 [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.	23011
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.	Augusta-Waterville, ME
Land Area: The approximate amount of land area covered by Kennebec, ME 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.	867 square miles
Water Area: The approximate amount of water area covered by Kennebec, ME 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.	84 square miles
Coordinates: The latitude/longitude centroid coordinates for Kennebec County, ME.	-69.767334, 44.409112
Quick Link: Copy the direct link to the Kennebec, MECounty page and use anywhere you like!	https://www.zip-codes.com/county/me-kennebec.asp

Kennebec, ME ZIP Code Boundaries

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Kennebec County, ME Covers 34 ZIP Codes

ZIP Code	Classification	City	Population	% of Population
ZIP Code 04259	General	Monmouth	3,179	2.57%
ZIP Code 04265	General	North Monmouth	903	0.73%
ZIP Code 04284	General	Wayne	1,113	0.90%
ZIP Code 04330	General	Augusta	26,322	21.29%
ZIP Code 04332	P.O. Box	Augusta	0	0.00%
ZIP Code 04333	Unique	Augusta	0	0.00%
ZIP Code 04336	Unique	Augusta	0	0.00%
ZIP Code 04338	P.O. Box	Augusta	0	0.00%
ZIP Code 04343	P.O. Box	East Winthrop	0	0.00%
ZIP Code 04344	General	Farmingdale	2,995	2.42%
ZIP Code 04345	General	Gardiner	12,052	9.75%
ZIP Code 04346	General	Randolph	1,743	1.41%
ZIP Code 04347	General	Hallowell	2,570	2.08%
ZIP Code 04349	General	Kents Hill	1,160	0.94%
ZIP Code 04350	General	Litchfield	3,586	2.90%
ZIP Code 04351	General	Manchester	2,462	1.99%
ZIP Code 04352	General	Mount Vernon	1,721	1.39%
ZIP Code 04355	General	Readfield	2,597	2.10%
ZIP Code 04358	General	South China	4,373	3.54%
ZIP Code 04359	P.O. Box	South Gardiner	455	0.37%
ZIP Code 04360	General	Vienna	578	0.47%
ZIP Code 04363	General	Windsor	2,632	2.13%
ZIP Code 04364	General	Winthrop	6,115	4.95%
ZIP Code 04901	General	Waterville	26,491	21.43%
ZIP Code 04903	P.O. Box	Waterville	0	0.00%
ZIP Code 04910	General	Albion	2,006	1.62%
ZIP Code 04917	General	Belgrade	3,259	2.64%
ZIP Code 04918	General	Belgrade Lakes	11	0.01%
ZIP Code 04926	P.O. Box	China Village	35	0.03%
ZIP Code 04927	General	Clinton	3,370	2.73%
ZIP Code 04935	P.O. Box	East Vassalboro	0	0.00%
ZIP Code 04962	P.O. Box	North Vassalboro	0	0.00%
ZIP Code 04963	General	Oakland	7,358	5.95%
ZIP Code 04989	General	Vassalboro	4,520	3.66%

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

Important Kennebec, ME Information

Kennebec County, ME Covers 34 ZIP Codes. This includes 24 General ZIP Codes, 8 PO Box ZIP Codes, and 2 Unique (reserved for Business and Volume Mail Receivers).

The population for Kennebec County is 123,642, according to the U.S. Census. Population Density is 142.61 persons per square mile. With 62,607 Housing Units, the Average Household Size is 2.26 persons. There are 53,223 Family Households with an Average Family Size of 3.01 persons. 5.74% of the population is without Health Insurance. The 58.40% Employment Rate is 1.40% above the national average of 59.8%.90,774 people aged 25+ have some educational achievement, with 30.89% (or 28,043 people) having attained a Bachelor's Degree or higher.More Demographics are available below.

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

Kennebec is part of the Augusta-Waterville, ME Core Based Statistical Area (CBSA). Its CBSA Code is 12300.It is classified as a micro area, which means it has an urban core of at least 10,000 but less then 50,000 people.

CBSAs are defined by the OMB as geographic areas that have at least one core with a population of 10,000 or more and adjacent territory with a high degree of social and economic integration. CBSA codes are commonly used to accurately file Medicare claims and to verify applicable incentives using a patient's ZIP Code.

ZIP Codes in Kennebec, ME have 54,843 Residential mailboxes and 3,139 Business mailboxes.There are 3,315 businesses with a total of 48,639 employees. That is an average of 14.7 employees per business. Annual payroll for these businesses is $2,474,946,000. Other Demographics

Kennebec County Demographic Profile

Population & People

Total Population

123,642

Income

Median Household Income

$65,062

Housing

Total Housing Units

62,607

Health

Without Healthcare Coverage

5.74%

Business & Economy

Total Businesses

3,315

Families

Total Households

53,223

Employment

Employment Rate

58.40%

Education

Bachelor's Degree or Higher

30.89%

Total Population: Total number of people from the 2020 U.S. Census for Kennebec, ME. 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.	123,642
Current Population Estimate: This field gives the estimated household population for All ZIP Codes in Kennebec, ME. 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.	124,578
Total Households: Total number of Households from the 2020 U.S. Census for Kennebec, ME. A Household includes everyone living in a residential housing unit. This includes families, roommates in a single residence, or a person living alone.	53,223
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.	62,607
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.	2.26
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.	3.01

Other Kennebec Demographics

# Residential Mailboxes: The number of active residential delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	54,843
# Business Mailboxes: The number of active business delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	3,139
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.	68,296
Single Family Delivery Units: Total count of single family mail delivery receptacles; generally analogous to homes.	47,216
Multi Family Delivery Units: Total count of multifamily mail delivery receptacles; generally analogous to apartments.	3,116

# of Businesses: The total number of Business Establishments. Data taken from Business Census 2023.	3,315
1st Quarter Payroll: The total payroll for the first quarter. Data taken from Business Census 2023.	$579,064,000
Annual Payroll: The total annual payroll . Data taken from Business Census 2023.	$2,474,946,000
# of Employees: The total number of employees for all ZIP Codes in this City. Data taken from Business Census 2023.	48,639

Sum of all ZIP Codes assigned Kennebec, ME as their primary County.

References

U.S. Postal Service [Last Updated: 5/1/2025], https://www.usps.com
ZIP-Codes.com Internal Data Creation [Last Updated: 5/1/2025], 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