| City: | Tehachapi, California |
| County: | Kern County |
| Timezone: | Pacific (GMT -08:00) |
| Local Time: | 9:48:07 AM |
| Population: | 3,660 [See All] |
| Area Code: | 661 |
| Classification: | PO Box |
| Coordinates: | 35.1322, -118.4484 |
| Land Area: | 2.596 sq mi |
| Quick Link: |
ZIP code 93581 serves a correctional facility in Tehachapi, California. Of the 3,660 residents counted in the 2020 Census, 3,639 are institutionalized, making this one of the most concentrated prison populations among all PO Box-classified ZIP codes. Only 2 occupied housing units exist within the ZIP boundaries, yielding an extreme population-to-household ratio of 1,830 to 1.
Mail processing for this facility operates through the Tehachapi post office, which maintains 903 PO Boxes. The facility is located at Voyager Drive, and all 132 delivery points at this address use unit designators for internal mail distribution. This ZIP is enclosed within the larger standard ZIP 93561, which serves the broader Tehachapi community with street delivery.
The inmate population shows diverse demographics. Median age is 39.1 years. Racially, 49% identify as Some Other Race, 24% as White, and 24% as Black or African American. Educational attainment data shows only 2.5% of adults 25 and over hold bachelor's degrees, and per capita income is $2,227. These statistics include the institutionalized population and don't reflect typical community characteristics.
Mail sent to inmates at this facility must follow strict protocols. All correspondence goes through screening processes, and delivery times vary based on facility security procedures. The post office handles both personal mail for inmates and institutional correspondence for facility operations, which accounts for the high volume of PO Box assignments relative to the minimal residential population.
Single street address serves entire institutional facility with unit-based internal mail distribution.
ZIP Code 93581 has 3,660 residents and 2 households (average 10.50 persons per household). The median age is 39.1 years, slightly older than the state (37.5) and about the same as the nation (38.8). The gender split is 99.7% male and 0.3% female, which is much higher than the national male share (49.1%), making this a male-majority area. Largest groups are Other / Two or More Races (49.0%, much higher than the state average of 21.2% and well above the national average of 8.4%) and Hispanic or Latino (48.9%); Hispanic or Latino residents make up 48.9%, which is much higher than the national average (18.7%), and Black or African American share is much higher than both the state (5.7%) and national averages (12.4%) and Other / Two or More Races share is much higher than both the state (21.2%) and national averages (8.4%).
Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship
| 2020 Population: | 3,660Source: Census DHC |
| 2024 ACS Population Estimate: | 3,188Source: Census ACS |
| 2026 ZC Population Estimate: | 0Source: ZIP-Codes.com |
| Population Density: | 1,409.9 people per sq mile |
| Average Income: | $0Source: Census ACS |
| Households: | 2Source: Census DHC |
| Average House Value: | $666,666,666Source: Census ACS |
| Persons Per Household: | 10.50Source: Census DHC |
| Average Family Size: | 0.00Source: Census ACS |
| Group | 2010 | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Census ACS Population Estimate | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4,284 | 3,611 | 3,447 | 3,188 |
| Decennial Census | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 3,660 | -- | -- | -- | -- |
Median Age: 39.1
Male Median Age: 39.2
Female Median Age: 14.5
| Group | < 5 | 5-9 | 10-14 | 15-19 | 20-24 | 25-29 | 30-34 | 35-39 | 40-44 | 45-49 | 50-54 | 55-59 | 60-64 | 65-69 | 70-74 | 75-79 | 80-84 | 85+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Male | 2 | 1 | 0 | 2 | 172 | 501 | 616 | 634 | 539 | 391 | 328 | 273 | 147 | 36 | 7 | 0 | 1 | 0 |
| Female | 1 | 2 | 3 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Total | 3 | 3 | 3 | 2 | 174 | 501 | 616 | 634 | 539 | 393 | 328 | 273 | 147 | 36 | 7 | 0 | 1 | 0 |
| White: | 868 | 16.08% |
| Black: | 867 | 16.06% |
| Hispanic:* | 1,790 | 33.17% |
| Asian: | 32 | 0.59% |
| American Indian: | 44 | 0.82% |
| Hawaiian: | 3 | 0.06% |
| Other: | 1,793 | 33.22% |
| Total: | 5,397 | 100% |
| Gender | Count | % | Median Age |
|---|---|---|---|
| Males: | 3,650 | 99.73% | 39.2 years |
| Females: | 10 | 0.27% | 14.5 years |
| Total: | 3,660 | 100% | 39.1 years |
| Native, born in the United States: | 2,568 | 80.55% |
| Native, born in PR, Island Areas, or abroad: | 46 | 1.44% |
| Foreign born, naturalized U.S. citizen: | 111 | 3.48% |
| Foreign born, not a U.S. citizen: | 463 | 18.01% |
| Total Population: | 3,188 | 100% |
| Total Native Population: | 2,614 | 81.99% |
| Total Foreign-born Population: | 574 | 18.01% |
In 2024, the Median household income is $0, which is well under the national median ($80,734), and above its 2019 pre-pandemic level by $0. Family households earn a median of $0 versus $0 for nonfamily households (a difference of $0). By gender, male median income is $24,688 and female is $0, which is considerably lower than the national female median ($55,274), with a current gap of $24,688 that has widened from 2011 to 2024. The labor-force participation rate is 0.0%, which is markedly below the national rate (63.5%).
Explore More:Income Over TimeHousehold IncomeEmployment StatusBy Occupation
| Income Type | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Household Income | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Median Family Income | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Median NonFamily Income | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Median Male Income | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $21,607 | $24,097 | $24,500 | $24,688 |
| Median Female Income | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 |
| Employed: | 0 | 0.00% |
| Unemployed: | 0 | 0.00% |
| Not In Labor Force: | 3,188 | 100.00% |
| Total: | 3,188 | 100% |
| Management, business, science, and arts: | 0 | 0% |
| Service: | 0 | 0% |
| Sales and Office: | 0 | 0% |
| Natural resources, construction, and maintenance: | 0 | 0% |
| Production, transportation, and material moving: | 0 | 0% |
| Total Civilian Employed Population: | 0 | 100% |
In 2024, 2.00% 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 59.20%, which is far lower than the national rate (89.60%). The uninsured rate is -666,666,666.00%, which is far lower than the national rate (8.40%). Private coverage is -666,666,666.00%, which is far lower than the national rate (67.10%). Public coverage is -666,666,666.00%, which is far lower than the national rate (36.70%). The share of people in poverty is -666,666,666.00%, which is far lower than the national rate (8.80%). Poverty has been broadly stable, which may reflect structural barriers or offsetting gains and setbacks. Among residents ages 3+, the largest enrollment group is college (57.08%). College enrollment is 57.08%, which is far higher than the national rate (26.70%), indicating the community is likely a college hub with student-driven housing and services.
Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment
| Less than 9th grade: | 359 | 11.93% |
| 9th to 12th grade, no diploma: | 869 | 28.88% |
| High school graduate (includes equivalency): | 828 | 27.52% |
| Some college, no degree: | 755 | 25.09% |
| Associate's degree: | 138 | 4.59% |
| Bachelor's degree: | 36 | 1.20% |
| Graduate or professional degree: | 24 | 0.80% |
| Total: | 3,009 | 100% |
| High school or higher: | 1,781 | 59.19% |
| Bachelor's degree or higher: | 60 | 1.99% |
| Private Insurance: | 0 | 0% |
| Public Insurance: | 0 | 0% |
| No Insurance: | 0 | 0% |
| Total: | 0 | 100% |
| Has Health Insurance: | 0 | 0% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % of People in Poverty | 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% | 0.0% |
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.
| Nursery School, Preschool: | 0 | 0.00% |
| Kindergarten: | 0 | 0.00% |
| Elementary school (grades 1-8): | 23 | 5.09% |
| High school (grades 9-12): | 171 | 37.83% |
| College or graduate school: | 258 | 57.08% |
| Total: | 452 | 100% |
| Early Childhood: | 0 | 0.00% |
| K-12 (Primary & Secondary School): | 194 | 42.92% |
ZIP Code 93581 supports both business and residential activity. According to the Business Census (2024), there are 11 business establishments, employing about 42 people with an annual payroll of $3,377,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 1,085Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 11Source: CBP |
| 1st Quarter Payroll: | $958,000Source: CBP |
| Annual Payroll: | $3,377,000Source: CBP |
| # of Employees: | 42Source: CBP |
ZIP Code 93581 is located in Kern County, California, within the Bakersfield-Delano, CA Metropolitan Statistical Area (CBSA 12540) and California's 20th Congressional District. This Metro area has a population of 839,631 people, about 0.44% of whom live in ZIP Code 93581. It covers 2.596 sq mi of land and a water area of 0.007 sq mi.
| CBSA Name: | Bakersfield-Delano, CASource: Census |
| CBSA Number: | 12540Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 839,631Source: Census |
| MSA: | Bakersfield, CA MSASource: Census |
| Land Area: | 2.596 sq miSource: Census |
| Water Area: | 0.007 sq miSource: Census |
| Congressional District: | 20Source: USPS |
| Congressional Land Area: | 4874.22 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 0678092Source: Census |
| Place Name: | Tehachapi city; CaliforniaSource: Census |
We could not locate which school district 93581 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.
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.