Data Last Updated: May 1, 2025

Imperial County, CA ZIP Codes

ZIP Codes: Shows how many general ZIP Codes, PO Boxes, Unique (Business), and Multi County ZIP Codes are associated with Imperial, CA.	20 ZIP Codes (9 General, 8 PO Box, 0 Unique, & 3 Multi County) [More Details]
Area Codes: The Telephone Area Codes that are associated with Imperial, 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.	442, 760
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 Imperial, 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.	179,702 [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.	06025
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.	El Centro, CA
Land Area: The approximate amount of land area covered by Imperial, 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.	4,176 square miles
Water Area: The approximate amount of water area covered by Imperial, 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.	305 square miles
Coordinates: The latitude/longitude centroid coordinates for Imperial County, CA.	-115.365354, 33.039504
Quick Link: Copy the direct link to the Imperial, CACounty page and use anywhere you like!	https://www.zip-codes.com/county/ca-imperial.asp

Imperial, CA ZIP Code Boundaries

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Imperial County, CA Covers 20 ZIP Codes

ZIP Code	Classification	City	Population	% of Population
ZIP Code 92004 *	General	Borrego Springs	3,414	--
ZIP Code 92222	P.O. Box	Bard	64	0.04%
ZIP Code 92225 *	General	Blythe	21,104	--
ZIP Code 92227	General	Brawley	27,492	15.30%
ZIP Code 92231	General	Calexico	39,542	22.00%
ZIP Code 92232	P.O. Box	Calexico	0	0.00%
ZIP Code 92233	General	Calipatria	7,019	3.91%
ZIP Code 92243	General	El Centro	49,149	27.35%
ZIP Code 92244	P.O. Box	El Centro	0	0.00%
ZIP Code 92249	General	Heber	6,975	3.88%
ZIP Code 92250	General	Holtville	7,883	4.39%
ZIP Code 92251	General	Imperial	25,851	14.39%
ZIP Code 92257	General	Niland	1,676	0.93%
ZIP Code 92259	P.O. Box	Ocotillo	328	0.18%
ZIP Code 92266	P.O. Box	Palo Verde	198	0.11%
ZIP Code 92273	P.O. Box	Seeley	1,694	0.94%
ZIP Code 92274 *	General	Thermal	19,251	--
ZIP Code 92275	P.O. Box	Salton City	1,390	0.77%
ZIP Code 92281	P.O. Box	Westmorland	2,122	1.18%
ZIP Code 92283	General	Winterhaven	2,695	1.50%

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

Important Imperial, CA Information

Imperial County, CA Covers 20 ZIP Codes. This includes 9 General ZIP Codes, 8 PO Box ZIP Codes, and 0 Unique (reserved for Business and Volume Mail Receivers). There are also 3 Multi County ZIP Codes. These records are assigned a different primary county, but they partially cover area in Imperial County.

The population for Imperial County is 179,702, according to the U.S. Census. Population Density is 43.03 persons per square mile. With 56,625 Housing Units, the Average Household Size is 3.29 persons. There are 52,050 Family Households with an Average Family Size of 3.29 persons. 6.34% of the population is without Health Insurance. The 46.01% Employment Rate is 13.79% above the national average of 59.8%.110,582 people aged 25+ have some educational achievement, with 16.10% (or 17,804 people) having attained a Bachelor's Degree or higher.More Demographics are available below.

There are 2 area codes serving this area including442 and 760. Imperial is also located in the Pacific timezone and the current local time is shown above.

Imperial is part of the El Centro, CA Core Based Statistical Area (CBSA). Its CBSA Code is 20940.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 Imperial, CA have 48,544 Residential mailboxes and 3,696 Business mailboxes.There are 2,653 businesses with a total of 33,563 employees. That is an average of 12.7 employees per business. Annual payroll for these businesses is $1,497,231,000. Other Demographics

Imperial County Demographic Profile

Population & People

Total Population

179,702

Income

Median Household Income

$56,393

Housing

Total Housing Units

56,625

Health

Without Healthcare Coverage

6.34%

Business & Economy

Total Businesses

2,653

Families

Total Households

52,050

Employment

Employment Rate

46.01%

Education

Bachelor's Degree or Higher

16.10%

Total Population: Total number of people from the 2020 U.S. Census for Imperial, 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.	179,702
Current Population Estimate: This field gives the estimated household population for All ZIP Codes in Imperial, 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.	160,210
Total Households: Total number of Households from the 2020 U.S. Census for Imperial, CA. A Household includes everyone living in a residential housing unit. This includes families, roommates in a single residence, or a person living alone.	52,050
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.	56,625
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.	3.29
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.	3.29

Other Imperial Demographics

# Residential Mailboxes: The number of active residential delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	48,544
# Business Mailboxes: The number of active business delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	3,696
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.	97,499
Single Family Delivery Units: Total count of single family mail delivery receptacles; generally analogous to homes.	18,945
Multi Family Delivery Units: Total count of multifamily mail delivery receptacles; generally analogous to apartments.	4,452

# of Businesses: The total number of Business Establishments. Data taken from Business Census 2023.	2,653
1st Quarter Payroll: The total payroll for the first quarter. Data taken from Business Census 2023.	$347,960,000
Annual Payroll: The total annual payroll . Data taken from Business Census 2023.	$1,497,231,000
# of Employees: The total number of employees for all ZIP Codes in this City. Data taken from Business Census 2023.	33,563

Sum of all ZIP Codes assigned Imperial, CA 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