Data Last Updated: July 1, 2025

Solano County, CA ZIP Codes

ZIP Codes: Shows how many general ZIP Codes, PO Boxes, Unique (Business), and Multi County ZIP Codes are associated with Solano, CA.	21 ZIP Codes (14 General, 2 PO Box, 0 Unique, & 5 Multi County) [More Details]
Area Codes: The Telephone Area Codes that are associated with Solano, 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.	369, 707, 530
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 Solano, 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.	453,491 [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.	06095
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.	Vallejo, CA
Land Area: The approximate amount of land area covered by Solano, 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.	822 square miles
Water Area: The approximate amount of water area covered by Solano, 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.	84 square miles
Coordinates: The latitude/longitude centroid coordinates for Solano County, CA.	-121.932847, 38.269973
Quick Link: Copy the direct link to the Solano, CACounty page and use anywhere you like!	https://www.zip-codes.com/county/ca-solano.asp

Solano, CA ZIP Code Boundaries

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Solano County, CA Covers 21 ZIP Codes

ZIP Code	Classification	City	Population	% of Population
ZIP Code 94503 *	General	American Canyon	22,069	--
ZIP Code 94510	General	Benicia	27,174	5.99%
ZIP Code 94512	General	Birds Landing	86	0.02%
ZIP Code 94533	General	Fairfield	77,380	17.06%
ZIP Code 94534	General	Fairfield	42,296	9.33%
ZIP Code 94535	General	Travis AFB	4,259	0.94%
ZIP Code 94571	General	Rio Vista	10,439	2.30%
ZIP Code 94585	General	Suisun City	29,764	6.56%
ZIP Code 94589	General	Vallejo	32,290	7.12%
ZIP Code 94590	General	Vallejo	39,981	8.82%
ZIP Code 94591	General	Vallejo	56,305	12.42%
ZIP Code 94592	General	Vallejo	1,082	0.24%
ZIP Code 95616 *	General	Davis	51,003	--
ZIP Code 95618 *	General	Davis	27,472	--
ZIP Code 95620	General	Dixon	21,439	4.73%
ZIP Code 95625	P.O. Box	Elmira	175	0.04%
ZIP Code 95687	General	Vacaville	69,837	15.40%
ZIP Code 95688	General	Vacaville	39,571	8.73%
ZIP Code 95690 *	General	Walnut Grove	2,270	--
ZIP Code 95694 *	General	Winters	9,629	--
ZIP Code 95696	P.O. Box	Vacaville	0	0.00%

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

Important Solano, CA Information

Solano County, CA Covers 21 ZIP Codes. This includes 14 General ZIP Codes, 2 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 Solano County.

The population for Solano County is 453,491, according to the U.S. Census. Population Density is 551.69 persons per square mile. With 162,237 Housing Units, the Average Household Size is 2.84 persons. There are 155,924 Family Households with an Average Family Size of 3.16 persons. 4.23% of the population is without Health Insurance. The 58.34% Employment Rate is 1.46% above the national average of 59.8%.313,970 people aged 25+ have some educational achievement, with 28.37% (or 89,064 people) having attained a Bachelor's Degree or higher.More Demographics are available below.

There are 3 area codes serving this area including369, 707 and 530. Solano is also located in the Pacific timezone and the current local time is shown above.

Solano is part of the Vallejo, CA Core Based Statistical Area (CBSA). Its CBSA Code is 46700.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 Solano, CA have 164,548 Residential mailboxes and 9,825 Business mailboxes.There are 7,655 businesses with a total of 119,788 employees. That is an average of 15.6 employees per business. Annual payroll for these businesses is $7,286,991,000. Other Demographics

Solano County Demographic Profile

Population & People

Total Population

453,491

Income

Median Household Income

$99,994

Housing

Total Housing Units

162,237

Health

Without Healthcare Coverage

4.23%

Business & Economy

Total Businesses

7,655

Families

Total Households

155,924

Employment

Employment Rate

58.34%

Education

Bachelor's Degree or Higher

28.37%

Total Population: Total number of people from the 2020 U.S. Census for Solano, 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.	453,491
Current Population Estimate: This field gives the estimated household population for All ZIP Codes in Solano, 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.	466,649
Total Households: Total number of Households from the 2020 U.S. Census for Solano, CA. A Household includes everyone living in a residential housing unit. This includes families, roommates in a single residence, or a person living alone.	155,924
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.	162,237
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.	2.84
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.	3.16

Other Solano Demographics

# Residential Mailboxes: The number of active residential delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	164,548
# Business Mailboxes: The number of active business delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	9,825
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.	235,163
Single Family Delivery Units: Total count of single family mail delivery receptacles; generally analogous to homes.	98,019
Multi Family Delivery Units: Total count of multifamily mail delivery receptacles; generally analogous to apartments.	23,804

# of Businesses: The total number of Business Establishments. Data taken from Business Census 2023.	7,655
1st Quarter Payroll: The total payroll for the first quarter. Data taken from Business Census 2023.	$1,753,076,000
Annual Payroll: The total annual payroll . Data taken from Business Census 2023.	$7,286,991,000
# of Employees: The total number of employees for all ZIP Codes in this City. Data taken from Business Census 2023.	119,788

Sum of all ZIP Codes assigned Solano, 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