Data Last Updated: July 1, 2025

Stanislaus County, CA ZIP Codes

ZIP Codes: Shows how many general ZIP Codes, PO Boxes, Unique (Business), and Multi County ZIP Codes are associated with Stanislaus, CA.	32 ZIP Codes (22 General, 5 PO Box, 1 Unique, & 4 Multi County) [More Details]
Area Codes: The Telephone Area Codes that are associated with Stanislaus, CA. 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.	209, 350, 559
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.	Pacific
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 Stanislaus, CA 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.	552,878 [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.	06099
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.	Modesto, CA
Land Area: The approximate amount of land area covered by Stanislaus, CA 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.	1,496 square miles
Water Area: The approximate amount of water area covered by Stanislaus, CA 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.	18 square miles
Coordinates: The latitude/longitude centroid coordinates for Stanislaus County, CA.	-120.997688, 37.559146
Quick Link: Copy the direct link to the Stanislaus, CACounty page and use anywhere you like!	https://www.zip-codes.com/county/ca-stanislaus.asp

Stanislaus, CA ZIP Code Boundaries

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Stanislaus County, CA Covers 32 ZIP Codes

ZIP Code	Classification	City	Population	% of Population
ZIP Code 95230 *	General	Farmington	786	--
ZIP Code 95304 *	General	Tracy	16,210	--
ZIP Code 95307	General	Ceres	46,346	8.38%
ZIP Code 95313	General	Crows Landing	1,351	0.24%
ZIP Code 95316	General	Denair	7,206	1.30%
ZIP Code 95319	P.O. Box	Empire	2,130	0.39%
ZIP Code 95322 *	General	Gustine	10,381	--
ZIP Code 95323	General	Hickman	1,266	0.23%
ZIP Code 95326	General	Hughson	10,429	1.89%
ZIP Code 95328	General	Keyes	3,925	0.71%
ZIP Code 95329	General	La Grange	2,747	0.50%
ZIP Code 95350	General	Modesto	55,344	10.01%
ZIP Code 95351	General	Modesto	48,668	8.80%
ZIP Code 95352	P.O. Box	Modesto	0	0.00%
ZIP Code 95353	P.O. Box	Modesto	0	0.00%
ZIP Code 95354	General	Modesto	26,765	4.84%
ZIP Code 95355	General	Modesto	62,337	11.28%
ZIP Code 95356	General	Modesto	33,070	5.98%
ZIP Code 95357	General	Modesto	12,692	2.30%
ZIP Code 95358	General	Modesto	32,131	5.81%
ZIP Code 95360	General	Newman	13,892	2.51%
ZIP Code 95361	General	Oakdale	35,019	6.33%
ZIP Code 95363	General	Patterson	29,309	5.30%
ZIP Code 95367	General	Riverbank	25,421	4.60%
ZIP Code 95368	General	Salida	13,896	2.51%
ZIP Code 95380	General	Turlock	42,912	7.76%
ZIP Code 95381	P.O. Box	Turlock	0	0.00%
ZIP Code 95382	General	Turlock	38,702	7.00%
ZIP Code 95385 *	General	Vernalis	515	--
ZIP Code 95386	General	Waterford	10,750	1.94%
ZIP Code 95387	P.O. Box	Westley	739	0.13%

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

Important Stanislaus, CA Information

Stanislaus County, CA Covers 32 ZIP Codes. This includes 22 General ZIP Codes, 5 PO Box ZIP Codes, and 1 Unique (reserved for Business and Volume Mail Receivers). There are also 4 Multi County ZIP Codes. These records are assigned a different primary county, but they partially cover area in Stanislaus County.

The population for Stanislaus County is 552,878, according to the U.S. Census. Population Density is 369.57 persons per square mile. With 183,140 Housing Units, the Average Household Size is 3.09 persons. There are 176,738 Family Households with an Average Family Size of 3.20 persons. 5.52% of the population is without Health Insurance. The 57.06% Employment Rate is 2.74% above the national average of 59.8%.352,585 people aged 25+ have some educational achievement, with 19.14% (or 67,474 people) having attained a Bachelor's Degree or higher.More Demographics are available below.

There are 3 area codes serving this area including209, 350 and 559. Stanislaus is also located in the Pacific timezone and the current local time is shown above.

Stanislaus is part of the Modesto, CA Core Based Statistical Area (CBSA). Its CBSA Code is 33700.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 Stanislaus, CA have 181,441 Residential mailboxes and 11,734 Business mailboxes.There are 9,967 businesses with a total of 152,246 employees. That is an average of 15.3 employees per business. Annual payroll for these businesses is $8,438,061,000. Other Demographics

Stanislaus County Demographic Profile

Population & People

Total Population

552,878

Income

Median Household Income

$79,661

Housing

Total Housing Units

183,140

Health

Without Healthcare Coverage

5.52%

Business & Economy

Total Businesses

9,967

Families

Total Households

176,738

Employment

Employment Rate

57.06%

Education

Bachelor's Degree or Higher

19.14%

Total Population: Total number of people from the 2020 U.S. Census for Stanislaus, CA. 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.	552,878
Current Population Estimate: This field gives the estimated household population for All ZIP Codes in Stanislaus, CA. 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.	559,965
Total Households: Total number of Households from the 2020 U.S. Census for Stanislaus, CA. A Household includes everyone living in a residential housing unit. This includes families, roommates in a single residence, or a person living alone.	176,738
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.	183,140
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.	3.09
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.	3.20

Other Stanislaus Demographics

# Residential Mailboxes: The number of active residential delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	181,441
# Business Mailboxes: The number of active business delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	11,734
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.	282,538
Single Family Delivery Units: Total count of single family mail delivery receptacles; generally analogous to homes.	84,113
Multi Family Delivery Units: Total count of multifamily mail delivery receptacles; generally analogous to apartments.	14,960

# of Businesses: The total number of Business Establishments. Data taken from Business Census 2023.	9,967
1st Quarter Payroll: The total payroll for the first quarter. Data taken from Business Census 2023.	$2,051,434,000
Annual Payroll: The total annual payroll . Data taken from Business Census 2023.	$8,438,061,000
# of Employees: The total number of employees for all ZIP Codes in this City. Data taken from Business Census 2023.	152,246

Sum of all ZIP Codes assigned Stanislaus, CA 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