Postal Codes

93640 ZIP Code

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ZIP code 93640 covers Mendota, California, with a population of about 14,507 and a median household income of $46,042.

Population
14,50792 per square mile
Median age
27.511.2 points below the US average
Median household income
$46,04252% below the California median
Poverty rate
30%17.6 points above the US average
Typical home value
$332,284up 30.5% in five years
Median rent
$84157% below the California median
Degree or higher
4.5%30.5 points below the US average
Homeownership
45.5%19.5 points below the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
131

Where 93640 is

Mendota, California — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population14,507
Median age27.5
Family households78.7%
Born outside the US47.7%
Speaks a language other than English at home84.3%
White (non-Hispanic)2.8%
Black (non-Hispanic)1.3%
Asian (non-Hispanic)0.5%
Hispanic or Latino95%
Veterans1%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$46,042
Income per person$14,182
Poverty rate30%
Households on SNAP or cash assistance26.6%

Household income distribution

Under $10k11.7%
$10–15k4.0%
$15–20k4.7%
$20–25k6.5%
$25–30k1.9%
$30–35k9.8%
$35–40k5.1%
$40–45k5.9%
$45–50k3.4%
$50–60k10.2%
$60–75k15.3%
$75–100k7.6%
$100–125k4.0%
$125–150k5.3%
$150–200k1.7%
$200k or more2.7%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed6,060
Mean adjusted gross income$32,898
Returns declaring $200,000 or more0%
Returns, under $25k47.4%
Returns, $25k–$50k36.1%
Returns, $50k–$75k11.2%
Returns, $75k–$100k3.3%
Returns, $100k–$200k2.0%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$255,000
Median gross rent$841
Rent as a share of household income29.7%
Owner-occupied45.5%
Vacant homes3%
Median year built1997

What the homes are

Detached house67.2%
Attached house0.7%
2 to 4 units11.6%
5 to 19 units15.3%
20 or more units3.8%
Mobile home1.4%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$332,284as of 2026-07
Typical home value, 1 yearup 5.1%
Typical home value, 5 yearsup 30.5%
Typical home value, 10 yearsup 114.3%
Typical home value since 2000
200020132026$332,284$89,211

$93,794 in 2000 to $332,284 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate12.2%
Bachelor's degree or higher4.5%
High school diploma or higher41.6%
Works from home7.2%
Drives to work alone54.8%
Takes public transport0.1%
Commutes 45 minutes or more34.9%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity46.2% 12.8 pts above the national average of 33.4%
Diagnosed diabetes16% 4 pts above the national average of 12%
Currently smokes19.7% 6.5 pts above the national average of 13.2%
High blood pressure31.9% 2.2 pts below the national average of 34.1%
Fair or poor general health44.7% 24.4 pts above the national average of 20.3%
No health insurance (18–64)33.7% 22.4 pts above the national average of 11.3%
Depression22.1% same as the national average of 21.9%
No leisure-time physical activity45.9% 20.5 pts above the national average of 25.4%
Arthritis18.6% 6.5 pts below the national average of 25.1%
Binge drinking14.5% 1.5 pts below the national average of 16%
Taking blood pressure medication63.8% 10.9 pts below the national average of 74.7%
Cancer (non-skin)3.1% 4.6 pts below the national average of 7.7%
Current asthma10% same as the national average of 10.4%
Coronary heart disease6.7% 0.5 pts above the national average of 6.2%
Routine check-up in past year64.2% 12.5 pts below the national average of 76.7%
Cholesterol screening71.9% 14 pts below the national average of 85.9%
Cognitive disability27.1% 12.3 pts above the national average of 14.8%
Colorectal screening41.3% 23 pts below the national average of 64.3%
COPD6.8% same as the national average of 6.6%
Visited a dentist33.5% 27.8 pts below the national average of 61.3%
Any disability49% 18.3 pts above the national average of 30.7%
Lacks emotional support34.9% 10.1 pts above the national average of 24.8%
Food insecurity50.9% 33.8 pts above the national average of 17.1%
Received food stamps48.3% 34 pts above the national average of 14.3%
Hearing disability7.4% 0.7 pts above the national average of 6.7%
High cholesterol31.3% 4.9 pts below the national average of 36.2%
Housing insecurity38% 24.2 pts above the national average of 13.8%
Independent living disability15.5% 7.1 pts above the national average of 8.4%
Lacks transport24.5% 15.3 pts above the national average of 9.2%
Loneliness42.2% 7.8 pts above the national average of 34.4%
Mammography use61.6% 14.3 pts below the national average of 75.9%
Poor mental health (14+ days)22.6% 5.8 pts above the national average of 16.8%
Mobility disability22.6% 8.6 pts above the national average of 14%
Poor physical health (14+ days)20.6% 7.1 pts above the national average of 13.5%
Self-care disability8.7% 4.7 pts above the national average of 4%
Utility shut-off threat21.2% 12.4 pts above the national average of 8.8%
Sleeps under 7 hours40.3% 3.9 pts above the national average of 36.4%
Stroke3.8% same as the national average of 3.4%
All natural teeth lost31.3% 18.3 pts above the national average of 13%
Vision disability14.8% 9.2 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments131
People employed712
Annual payroll$31,318,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 97.3% of US census tracts
FEMA ratingRelatively Moderate to Very High across the 5 census tracts this ZIP code covers
Expected annual loss96.1 out of 100
Community resilience14.6 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Drought99.9Very High at its worst in this ZIP code
Earthquake96.7Very High at its worst in this ZIP code
Heat wave94.3Very High at its worst in this ZIP code
Hail92.6Relatively High at its worst in this ZIP code
Wildfire91.4Relatively Moderate at its worst in this ZIP code
River flooding85.8Relatively High at its worst in this ZIP code
Avalanche47.1Very Low at its worst in this ZIP code
Landslide44.4Very Low at its worst in this ZIP code
Strong wind25.7Relatively Low at its worst in this ZIP code
Tornado24.5Very Low at its worst in this ZIP code
Lightning20.1Relatively Low at its worst in this ZIP code
Winter weather16.9Very Low at its worst in this ZIP code
Compared with California and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPCaliforniaUnited States
Median household income$46,042$96,334$78,538
Income per person$14,182$47,977$43,289
Poverty rate30%12%12.4%
Median home value$255,000$695,400$303,400
Median gross rent$841$1,956$1,348
Homeownership45.5%55.8%65%
Bachelor's degree or higher4.5%36.5%35%
Unemployment rate12.2%6.4%5.2%
Works from home7.2%15.5%13.5%
Born outside the US47.7%26.7%13.9%
Median age27.537.638.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationMADERA MUNI AP, CA US38.1 km away
Rain in a year11 in

Average high and low by month

January56.9°F / 38.6°F2.08 in rain
February62.6°F / 40.8°F1.99 in rain
March68.5°F / 43.7°F1.98 in rain
April75°F / 46.4°F0.89 in rain
May83.9°F / 52.3°F0.47 in rain
June92.2°F / 57.9°F0.16 in rain
July97.7°F / 62.6°F0.01 in rain
August96.7°F / 61.3°F0 in rain
September91.7°F / 57.8°F0.03 in rain
October80.1°F / 49.8°F0.44 in rain
November66.4°F / 41.8°F0.92 in rain
December56.3°F / 37.6°F1.82 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarket92% of this ZIP code's area
Far from a supermarket8% of this ZIP code's area
No vehicle and far from a supermarket8% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 3 school districts, so the address decides which one, not the ZIP code.

Mendota Unified School District81.5% of this ZIP code's land area
Golden Plains Unified School District11.2% of this ZIP code's land area
Firebaugh-Las Deltas Unified School District7.3% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability95more vulnerable than 95% of US census tracts
Socioeconomic status95more vulnerable than 95% of US census tracts
Household characteristics53more vulnerable than 53% of US census tracts
Racial and ethnic minority status94more vulnerable than 94% of US census tracts
Housing type and transport90more vulnerable than 90% of US census tracts
Walkability7.9 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

93622 Firebaugh, CA14.7 km away
93668 Tranquillity, CA16.1 km away
93660 San Joaquin, CA24.8 km away
93608 Cantua Creek, CA28.6 km away
93630 Kerman, CA30.1 km away
93665 South Dos Palos, CA32.9 km away
93620 Dos Palos, CA35.1 km away
93606 Biola, CA35.5 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Fresno County100% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area157.93 sq mi
Water area1.62 sq mi
Population density92 people per sq mi
Latitude, longitude36.7424, -120.4093

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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