Data Last Updated: July 1, 2025

Worcester County, MA ZIP Codes

ZIP Codes: Shows how many general ZIP Codes, PO Boxes, Unique (Business), and Multi County ZIP Codes are associated with Worcester, MA.	99 ZIP Codes (77 General, 18 PO Box, 3 Unique, & 1 Multi County) [More Details]
Area Codes: The Telephone Area Codes that are associated with Worcester, MA. 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.	351, 978, 413, 508, 774
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 Worcester, MA 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.	862,111 [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.	25027
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.	Worcester, MA
Land Area: The approximate amount of land area covered by Worcester, MA 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.	1,511 square miles
Water Area: The approximate amount of water area covered by Worcester, MA 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.	68 square miles
Coordinates: The latitude/longitude centroid coordinates for Worcester County, MA.	-71.907736, 42.351419
Quick Link: Copy the direct link to the Worcester, MACounty page and use anywhere you like!	https://www.zip-codes.com/county/ma-worcester.asp

Worcester, MA ZIP Code Boundaries

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Worcester County, MA Covers 99 ZIP Codes

ZIP Code	Classification	City	Population	% of Population
ZIP Code 01005	General	Barre	4,900	0.57%
ZIP Code 01031	General	Gilbertville	1,406	0.16%
ZIP Code 01037	P.O. Box	Hardwick	706	0.08%
ZIP Code 01068	General	Oakham	1,904	0.22%
ZIP Code 01074	P.O. Box	South Barre	584	0.07%
ZIP Code 01083	P.O. Box	Warren	2,549	0.30%
ZIP Code 01092	P.O. Box	West Warren	1,343	0.16%
ZIP Code 01094	P.O. Box	Wheelwright	60	0.01%
ZIP Code 01331	General	Athol	13,656	1.58%
ZIP Code 01366	General	Petersham	1,187	0.14%
ZIP Code 01368	General	Royalston	1,283	0.15%
ZIP Code 01420	General	Fitchburg	41,940	4.86%
ZIP Code 01430	General	Ashburnham	6,303	0.73%
ZIP Code 01434 *	General	Devens	1,652	--
ZIP Code 01436	General	Baldwinville	3,208	0.37%
ZIP Code 01438	P.O. Box	East Templeton	414	0.05%
ZIP Code 01440	General	Gardner	21,577	2.50%
ZIP Code 01441	Unique	Westminster	0	0.00%
ZIP Code 01451	General	Harvard	5,461	0.63%
ZIP Code 01452	General	Hubbardston	4,328	0.50%
ZIP Code 01453	General	Leominster	43,752	5.07%
ZIP Code 01462	General	Lunenburg	11,818	1.37%
ZIP Code 01467	P.O. Box	Still River	0	0.00%
ZIP Code 01468	General	Templeton	4,309	0.50%
ZIP Code 01473	General	Westminster	8,213	0.95%
ZIP Code 01475	General	Winchendon	10,304	1.20%
ZIP Code 01501	General	Auburn	16,731	1.94%
ZIP Code 01503	General	Berlin	3,158	0.37%
ZIP Code 01504	General	Blackstone	9,208	1.07%
ZIP Code 01505	General	Boylston	4,849	0.56%
ZIP Code 01506	General	Brookfield	3,439	0.40%
ZIP Code 01507	General	Charlton	13,315	1.54%
ZIP Code 01508	P.O. Box	Charlton City	0	0.00%
ZIP Code 01509	P.O. Box	Charlton Depot	0	0.00%
ZIP Code 01510	General	Clinton	15,428	1.79%
ZIP Code 01515	General	East Brookfield	2,224	0.26%
ZIP Code 01516	General	Douglas	8,962	1.04%
ZIP Code 01518	General	Fiskdale	3,176	0.37%
ZIP Code 01519	General	Grafton	7,254	0.84%
ZIP Code 01520	General	Holden	16,394	1.90%
ZIP Code 01522	General	Jefferson	3,464	0.40%
ZIP Code 01523	General	Lancaster	8,377	0.97%
ZIP Code 01524	General	Leicester	6,621	0.77%
ZIP Code 01525	P.O. Box	Linwood	73	0.01%
ZIP Code 01526	P.O. Box	Manchaug	0	0.00%
ZIP Code 01527	General	Millbury	13,799	1.60%
ZIP Code 01529	General	Millville	3,174	0.37%
ZIP Code 01531	General	New Braintree	996	0.12%
ZIP Code 01532	General	Northborough	15,741	1.83%
ZIP Code 01534	General	Northbridge	6,233	0.72%
ZIP Code 01535	General	North Brookfield	4,735	0.55%
ZIP Code 01536	General	North Grafton	7,514	0.87%
ZIP Code 01537	General	North Oxford	2,141	0.25%
ZIP Code 01538	P.O. Box	North Uxbridge	0	0.00%
ZIP Code 01540	General	Oxford	11,032	1.28%
ZIP Code 01541	General	Princeton	3,495	0.41%
ZIP Code 01542	General	Rochdale	2,366	0.27%
ZIP Code 01543	General	Rutland	9,049	1.05%
ZIP Code 01545	General	Shrewsbury	38,316	4.44%
ZIP Code 01546	Unique	Shrewsbury	0	0.00%
ZIP Code 01550	General	Southbridge	17,740	2.06%
ZIP Code 01560	General	South Grafton	4,896	0.57%
ZIP Code 01561	P.O. Box	South Lancaster	64	0.01%
ZIP Code 01562	General	Spencer	11,992	1.39%
ZIP Code 01564	General	Sterling	7,985	0.93%
ZIP Code 01566	General	Sturbridge	6,691	0.78%
ZIP Code 01568	General	Upton	7,900	0.92%
ZIP Code 01569	General	Uxbridge	14,193	1.65%
ZIP Code 01570	General	Webster	17,776	2.06%
ZIP Code 01571	General	Dudley	11,921	1.38%
ZIP Code 01581	General	Westborough	21,567	2.50%
ZIP Code 01583	General	West Boylston	7,652	0.89%
ZIP Code 01585	General	West Brookfield	4,899	0.57%
ZIP Code 01586	P.O. Box	West Millbury	0	0.00%
ZIP Code 01588	General	Whitinsville	10,106	1.17%
ZIP Code 01590	General	Sutton	9,279	1.08%
ZIP Code 01601	P.O. Box	Worcester	0	0.00%
ZIP Code 01602	General	Worcester	25,382	2.94%
ZIP Code 01603	General	Worcester	22,417	2.60%
ZIP Code 01604	General	Worcester	41,301	4.79%
ZIP Code 01605	General	Worcester	29,218	3.39%
ZIP Code 01606	General	Worcester	21,651	2.51%
ZIP Code 01607	General	Worcester	9,378	1.09%
ZIP Code 01608	General	Worcester	4,996	0.58%
ZIP Code 01609	General	Worcester	23,870	2.77%
ZIP Code 01610	General	Worcester	28,717	3.33%
ZIP Code 01611	General	Cherry Valley	2,277	0.26%
ZIP Code 01612	General	Paxton	5,051	0.59%
ZIP Code 01613	P.O. Box	Worcester	0	0.00%
ZIP Code 01614	P.O. Box	Worcester	0	0.00%
ZIP Code 01615	P.O. Box	Worcester	0	0.00%
ZIP Code 01653	Unique	Worcester	0	0.00%
ZIP Code 01655	General	Worcester	0	0.00%
ZIP Code 01740	General	Bolton	5,665	0.66%
ZIP Code 01745	General	Fayville	433	0.05%
ZIP Code 01747	General	Hopedale	6,017	0.70%
ZIP Code 01756	General	Mendon	6,228	0.72%
ZIP Code 01757	General	Milford	30,479	3.54%
ZIP Code 01772	General	Southborough	10,017	1.16%

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

Important Worcester, MA Information

Worcester County, MA Covers 99 ZIP Codes. This includes 77 General ZIP Codes, 18 PO Box ZIP Codes, and 3 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 Worcester County.

The population for Worcester County is 862,111, according to the U.S. Census. Population Density is 570.56 persons per square mile. With 351,764 Housing Units, the Average Household Size is 2.51 persons. There are 331,797 Family Households with an Average Family Size of 3.06 persons. 2.32% of the population is without Health Insurance. The 62.97% Employment Rate is 3.17% above the national average of 59.8%.602,409 people aged 25+ have some educational achievement, with 39.03% (or 235,094 people) having attained a Bachelor's Degree or higher.More Demographics are available below.

There are 5 area codes serving this area including351, 978, 413, 508 and 774. Worcester is also located in the Eastern timezone and the current local time is shown above.

Worcester is part of the Worcester, MA Core Based Statistical Area (CBSA). Its CBSA Code is 49340.It is classified as a metro area, which means the combined population is 50,000 or more (at its core).

CBSAs are defined by the OMB as geographic areas that have at least one core with a population of 10,000 or more (for a micro area) 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 Worcester, MA have 326,351 Residential mailboxes and 19,685 Business mailboxes.There are 18,985 businesses with a total of 309,013 employees. That is an average of 16.3 employees per business. Annual payroll for these businesses is $18,829,070,000. Other Demographics

Worcester County Demographic Profile

Population & People

Total Population

862,111

Income

Median Household Income

$93,561

Housing

Total Housing Units

351,764

Health

Without Healthcare Coverage

2.32%

Business & Economy

Total Businesses

18,985

Families

Total Households

331,797

Employment

Employment Rate

62.97%

Education

Bachelor's Degree or Higher

39.03%

Total Population: Total number of people from the 2020 U.S. Census for Worcester, MA. 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.	862,111
Current Population Estimate: This field gives the estimated household population for All ZIP Codes in Worcester, MA. 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.	820,860
Total Households: Total number of Households from the 2020 U.S. Census for Worcester, MA. A Household includes everyone living in a residential housing unit. This includes families, roommates in a single residence, or a person living alone.	331,797
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.	351,764
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.	2.51
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.	3.06

Other Worcester Demographics

# Residential Mailboxes: The number of active residential delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	326,351
# Business Mailboxes: The number of active business delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	19,685
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.	402,802
Single Family Delivery Units: Total count of single family mail delivery receptacles; generally analogous to homes.	243,053
Multi Family Delivery Units: Total count of multifamily mail delivery receptacles; generally analogous to apartments.	44,053

# of Businesses: The total number of Business Establishments. Data taken from Business Census 2023.	18,985
1st Quarter Payroll: The total payroll for the first quarter. Data taken from Business Census 2023.	$4,586,394,000
Annual Payroll: The total annual payroll . Data taken from Business Census 2023.	$18,829,070,000
# of Employees: The total number of employees for all ZIP Codes in this City. Data taken from Business Census 2023.	309,013

Sum of all ZIP Codes assigned Worcester, MA 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