ZIP Code 93429 in Casmalia, CA

Data Last Updated: February 1, 2026
City:Casmalia, California
County:Santa Barbara County
Timezone:Pacific (GMT -08:00)
Local Time:9:47:03 AM
Population:153 [See All]
Area Codes:805 / 820
Classification:PO Box
Coordinates:34.8320, -120.5403
Land Area:6.901 sq mi
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93429 - Casmalia, CA

ZIP Code 93429, Casmalia

Small Town
LocationSanta Barbara County, CA
Area9.4 sq mi
Population153
Households52
PO Boxes71 Regional Hub (137%)
Median Age42.2 years
ZIP CreatedBefore Oct 2004
Key Facts
  • The post office maintains 71 PO Boxes for 52 local households, with the extra capacity serving surrounding areas.
  • This is a PO Box-only ZIP code, meaning 93429 contains only PO Box delivery (though street delivery exists via rural route).
  • The adoption rate of 1.36 boxes per household indicates the post office serves customers beyond Casmalia's immediate area.
  • Only one street appears in postal records: Point Sal Road, which runs through this rural ranch community.
  • With 153 residents across 9.4 square miles, population density is about 16 people per square mile.
  • The median age of 42.2 years is close to California's overall median.

Postal Services

The community spreads along Point Sal Road in rural ranch country. One rural carrier route covers the area, but most mail goes to PO Boxes at the post office. With just five businesses and a median household income of $60,595, this is primarily residential ranch land where residents drive to collect their mail.

Street Name Patterns

Rural Roads

Point Sal Road is the only street with postal records, reflecting Casmalia's character as a small rural community along a single main route through ranch country.

Nearby Areas

Tanglewood Foxenwood Old Mill Run Santa Maria Public Airport Elkhorn
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Population & Demographics


ZIP Code 93429 has 153 residents and 52 households (average 2.94 persons per household). The median age is 42.2 years, older than the state (37.5) and older than the nation (38.8). The gender split is 48.4% male and 51.6% female, which is slightly lower than the state male share (49.4%), making this a female-majority area. Largest groups are White (64.1%, much higher than the state average of 41.2%) and Hispanic or Latino (43.8%); Hispanic or Latino residents make up 43.8%, which is much higher than the national average (18.7%).

Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2024 American Community Survey (ACS) 5-Year Estimates.
2020 Population:153Source: Census DHC
2024 ACS Population Estimate:99Source: Census ACS
2026 ZC Population Estimate:0Source: ZIP-Codes.com
Population Density:22.2 people per sq mile
Average Income:$169,063Source: Census ACS
Households:52Source: Census DHC
Average House Value:$666,666,666Source: Census ACS
Persons Per Household:2.94Source: Census DHC
Average Family Size:3.00Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group201020112102201320142015201620172018201920202021202220232024
Census ACS Population Estimate--2242389411411614014711114488556412999
Decennial Census154------------------153--------
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)


Median Age: 42.2

Male Median Age: 39.3

Female Median Age: 42.9

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male754454648564380001
Female93563313101266361110
Total1689108777181712106141111
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:9849.49%
Black:00%
Hispanic:*6733.84%
Asian:84.04%
American Indian:00%
Hawaiian:00%
Other:2512.63%
Total:198100%
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Gender Breakdown


GenderCount%Median Age
Males:7448.37%39.3 years
Females:7951.63%42.9 years
Total:153100%42.2 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:8888.89%
Native, born in PR, Island Areas, or abroad:00.00%
Foreign born, naturalized U.S. citizen:00.00%
Foreign born, not a U.S. citizen:1111.11%
Total Population:99100%
Total Native Population:8888.89%
Total Foreign-born Population:1111.11%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Income & Employment


In 2024, the Median household income is $169,063, which is markedly greater than the national median ($80,734), is up $130,313 (336.3%) since 2011 and above its 2019 pre-pandemic level by $121,659. Family households earn a median of $0 versus $0 for nonfamily households (a difference of $0). By gender, male median income is $0 and female is $46,369, which is well under the national female median ($55,274), with a current gap of $46,369 that has narrowed from 2011 to 2024. The labor-force participation rate is 88.9%, which is considerably higher than the national rate (63.5%). The unemployment rate is 0.0%, which is considerably lower than the national rate (5.2%). The largest occupation group is Management (68.2%).

Explore More:Income Over TimeHousehold IncomeEmployment StatusBy Occupation

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Tables DP02, DP03, DP04 and DP05.

Median Income Over Time (Household, Family, Nonfamily, Male, Female)


Income Type20112012201320142015201620172018201920202021202220232024
Median Household Income$38,750$41,613$68,281$47,031$67,679$71,607$60,893$49,286$47,404$0$0$0$0$169,063
Median Family Income$38,320$40,766$0$45,938$0$72,813$60,893$49,286$68,125$68,750$0$0$0$0
Median NonFamily Income$0$75,114$0$0$0$0$0$0$0$0$0$0$0$0
Median Male Income$51,250$29,896$0$0$0$0$0$0$0$0$0$0$0$0
Median Female Income$0$36,734$0$0$0$33,500$0$0$0$0$0$0$0$46,369
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income


Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment Status


Employed:8888.89%
Unemployed:00.00%
Not In Labor Force:1111.11%
Total:99100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment by Occupation (Civilian Employed Population, 16 and Over)


Management, business, science, and arts:6068.18%
Service:910.23%
Sales and Office:1112.50%
Natural resources, construction, and maintenance:89.09%
Production, transportation, and material moving:00.00%
Total Civilian Employed Population:88100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability


In 2024, the median home value is $0, which is much lower than the national median ($332,700), and below its 2019 pre-pandemic level by $258,000. The median gross rent is $1,543, which is notably higher than the national median ($1,413), is up $461 (42.61%) since 2011 and above its 2019 pre-pandemic level by $1,543. Of occupied housing, owners make up 27.59% (100.00% with a mortgage, 0.00% free-and-clear) and renters 72.41% - making this ZIP Code higher than national rental averages. Insufficient data for vacancy rate.

Explore More:Compare Home ValueHome Value Over TimeRent & Over TimeHousing Occupancy

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)


Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Home Value Over Time


Group20112102201320142015201620172018201920202021202220232024
Median Home Value$0$89,200$132,800$148,200$163,200$168,800$169,000$172,500$258,000$263,200$0$0$0$0
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:00.00%
$500 to $999:1945.24%
$1,000 to $1,499:00.00%
$1,500 to $1,999:2354.76%
$2,000 to $2,499:00.00%
$2,500 to $2,999:00.00%
$3,000 or more:00.00%
No Rent:00.00%
Total:42100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time


Group20112102201320142015201620172018201920202021202220232024
Median Rent$1,082$1,081$0$0$0$0$0$0$0$0$0$0$0$1,543
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):1627.59%
Owner Occupied (free and clear, no mortgage):00.00%
Renter Occupied:4272.41%
Total Occupied Housing Units:58100%

Occupied Housing Units:58100.00%
Vacant Housing Units (not graphed):00.00%
Total Housing Units:58100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Housing Type (Single-Family, Multi-Family, Other)


Single-Family Units:5086.21%
Multi-Family Units:813.79%
Other Units:00.00%
Total Housing Units:58100%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


In 2024, 0.00% of adults (25+) have a bachelor's degree or higher, which is far lower than the national rate (35.70%). High school or higher is 80.80%, which is comparable to the national rate (89.60%). The uninsured rate is 0.00%, which is comparable to the national rate (8.40%). The share of people in poverty is 0.00%, which is comparable to the national rate (8.80%). Poverty has been broadly stable, which may reflect structural barriers or offsetting gains and setbacks. Insufficient data for school enrollment.

Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:1919.19%
9th to 12th grade, no diploma:00.00%
High school graduate (includes equivalency):7171.72%
Some college, no degree:00.00%
Associate's degree:99.09%
Bachelor's degree:00.00%
Graduate or professional degree:00.00%
Total:99100%
High school or higher:8080.81%
Bachelor's degree or higher:00.00%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Health Insurance Coverage by Type (Private, Public, Uninsured)


Private Insurance:6868.69%
Public Insurance:3131.31%
No Insurance:00.00%
Total:99100%
Has Health Insurance:99100.00%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2024)


Group20112102201320142015201620172018201920202021202220232024
% of People in Poverty0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.

School Enrollment by Education Level (Ages 3 and Older)


Nursery School, Preschool:00%
Kindergarten:00%
Elementary school (grades 1-8):00%
High school (grades 9-12):00%
College or graduate school:00%
Total:0100%
Early Childhood:00%
K-12 (Primary & Secondary School):00%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 93429 is designated for PO Box delivery only; business establishment and employment data are not available.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:0Source: USPS
Total Delivery Receptacles:714Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:0Source: CBP
1st Quarter Payroll:$0Source: CBP
Annual Payroll:$0Source: CBP
# of Employees:0Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 93429 is located in Santa Barbara County, California, within the Santa Maria-Santa Barbara, CA Metropolitan Statistical Area (CBSA 42200) and California's 24th Congressional District. This Metro area has a population of 0 people, about 0.00% of whom live in ZIP Code 93429. It covers 6.901 sq mi of land and a water area of 0.023 sq mi.

CBSA Name:Santa Maria-Santa Barbara, CASource: Census
CBSA Number:42200Source: Census
CBSA Type:MetroSource: Census
CBSA Division:--Source: Census
CBSA Population:0Source: Census
MSA:Santa Barbara-Santa Maria-Lompoc, CA MSASource: Census
Land Area:6.901 sq miSource: Census
Water Area:0.023 sq miSource: Census
Congressional District:24Source: USPS
Congressional Land Area:6883.35 sq miSource: Census
PMSA:--Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:0611754Source: Census
Place Name:Casmalia CDP; CaliforniaSource: Census

Adjacent & Nearby ZIP Codes


93430 | | 93428

Schools in ZIP Code 93429


We could not locate which school district 93429 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Crestview Elementary Utah Ave.
Vandenberg Air Force Base, CA 93437
District: Lompoc Unified School DistrictNearby
Arellanes Junior High 1890 Sandalwood Dr.
Santa Maria, CA 93455
District: Santa Maria-Bonita Elementary School DistrictNearby
Arellanes (Don Juan Bautista) Elementary 1890 Sandalwood Dr.
Santa Maria, CA 93455
District: Santa Maria-Bonita Elementary School DistrictNearby
Vandenberg Middle Mountain View Blvd.
Vandenberg Air Force Base, CA 93437
District: Lompoc Unified School DistrictNearby
Orcutt Academy Charter 500 Dyer St.
Orcutt, CA 93455
District: Orcutt Union Elementary School DistrictNearby
St Joseph High School 4120 S Bradley Rd
Santa Maria, CA 93455
District: Private SchoolNearby
Pacific Christian School 3435 Santa Maria Way
Santa Maria, CA 93455
District: Private SchoolNearby
Valley Christian Academy 2970 Santa Maria Way
Santa Maria, CA 93455
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 93429


San Joaquin Valley College-Santa Maria 303 Plaza Drive
Santa Maria, CA 93454-6921
Type: Post Secondary
Cet-Santa Maria 509 W Morrison Ave
Santa Maria, CA 93458
Type: Post Secondary
Allan Hancock College 800 South College Drive
Santa Maria, CA 93454-6399
Type: Post Secondary
Central California School Of Continuing Education 3195 Mcmillan Ste F
San Luis Obispo, CA 93401
Type: Post Secondary
Laurus College 81 Higuera St Ste 110
San Luis Obispo, CA 93401
Type: Post Secondary
California Polytechnic State University-San Luis Obispo 1 Grand Ave.
San Luis Obispo, CA 93407
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.

  1. U.S. Postal Service [Last Updated: 2/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 2/1/2026], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2024 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 2/1/2026], https://nces.ed.gov