Postal Codes

93656 ZIP Code

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ZIP code 93656 covers Riverdale, California, with a population of about 6,224 and a median household income of $64,481.

Population
6,22455 per square mile
Median age
30.97.8 points below the US average
Median household income
$64,48133% below the California median
Poverty rate
12.4%about the US average
Typical home value
$345,675up 25.6% in five years
Median rent
$96551% below the California median
Degree or higher
6.3%28.7 points below the US average
Homeownership
46.8%18.2 points below the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
52

Where 93656 is

Riverdale, 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

Population6,224
Median age30.9
Family households87.9%
Born outside the US35.2%
Speaks a language other than English at home68.5%
White (non-Hispanic)22.4%
Black (non-Hispanic)0%
Asian (non-Hispanic)0.1%
Hispanic or Latino76%
Veterans2.4%
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$64,481
Income per person$20,168
Poverty rate12.4%
Households on SNAP or cash assistance24.9%

Household income distribution

Under $10k3.6%
$10–15k4.1%
$15–20k2.4%
$20–25k2.5%
$25–30k0.4%
$30–35k1.8%
$35–40k8.7%
$40–45k2.6%
$45–50k9.1%
$50–60k10.2%
$60–75k15.7%
$75–100k15.3%
$100–125k5.2%
$125–150k8.5%
$150–200k6.7%
$200k or more3.1%

Income as declared to the IRS

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

Tax returns filed2,440
Mean adjusted gross income$53,102
Returns declaring $200,000 or more1.6%
Returns, under $25k29.1%
Returns, $25k–$50k34.0%
Returns, $50k–$75k19.7%
Returns, $75k–$100k8.6%
Returns, $100k–$200k7.0%
Returns, $200k or more1.6%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$272,200
Median gross rent$965
Owner-occupied46.8%
Vacant homes14%
Median year built1977

What the homes are

Detached house72.1%
Attached house3.2%
2 to 4 units2.7%
5 to 19 units3.3%
20 or more units0.9%
Mobile home17.8%
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$345,675as of 2026-07
Typical home value, 1 yearup 4.8%
Typical home value, 5 yearsup 25.6%
Typical home value, 10 yearsup 101.3%
Typical home value since 2000
200020132026$345,675$94,423

$94,423 in 2000 to $345,675 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate10%
Bachelor's degree or higher6.3%
High school diploma or higher57.9%
Works from home4.2%
Drives to work alone81.3%
Takes public transport0%
Commutes 45 minutes or more13.4%
Health

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

Obesity39.9% 6.5 pts above the national average of 33.4%
Diagnosed diabetes13.3% 1.3 pts above the national average of 12%
Currently smokes15.2% 2 pts above the national average of 13.2%
High blood pressure31.1% 3 pts below the national average of 34.1%
Fair or poor general health33.5% 13.2 pts above the national average of 20.3%
No health insurance (18–64)22.3% 11 pts above the national average of 11.3%
Depression22.2% same as the national average of 21.9%
No leisure-time physical activity36% 10.6 pts above the national average of 25.4%
Arthritis21.3% 3.8 pts below the national average of 25.1%
Binge drinking15.1% 0.9 pts below the national average of 16%
Taking blood pressure medication69.1% 5.6 pts below the national average of 74.7%
Cancer (non-skin)5.1% 2.6 pts below the national average of 7.7%
Current asthma10.2% same as the national average of 10.4%
Coronary heart disease6.4% same as the national average of 6.2%
Routine check-up in past year67.8% 8.9 pts below the national average of 76.7%
Cholesterol screening79.1% 6.8 pts below the national average of 85.9%
Cognitive disability21.3% 6.5 pts above the national average of 14.8%
Colorectal screening51.2% 13.1 pts below the national average of 64.3%
COPD6.6% same as the national average of 6.6%
Visited a dentist46.4% 14.9 pts below the national average of 61.3%
Any disability41.6% 10.9 pts above the national average of 30.7%
Lacks emotional support31.9% 7.1 pts above the national average of 24.8%
Food insecurity32% 14.9 pts above the national average of 17.1%
Received food stamps27.5% 13.2 pts above the national average of 14.3%
Hearing disability6.9% same as the national average of 6.7%
High cholesterol32.7% 3.5 pts below the national average of 36.2%
Housing insecurity24.9% 11.1 pts above the national average of 13.8%
Independent living disability11.7% 3.3 pts above the national average of 8.4%
Lacks transport15.1% 5.9 pts above the national average of 9.2%
Loneliness40.3% 5.9 pts above the national average of 34.4%
Mammography use70% 5.9 pts below the national average of 75.9%
Poor mental health (14+ days)20.2% 3.4 pts above the national average of 16.8%
Mobility disability19% 5 pts above the national average of 14%
Poor physical health (14+ days)17.4% 3.9 pts above the national average of 13.5%
Self-care disability5.9% 1.9 pts above the national average of 4%
Utility shut-off threat12.2% 3.4 pts above the national average of 8.8%
Sleeps under 7 hours36.7% same as the national average of 36.4%
Stroke3.6% same as the national average of 3.4%
All natural teeth lost20.3% 7.3 pts above the national average of 13%
Vision disability9.3% 3.7 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments52
People employed342
Annual payroll$17,284,000
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 98.3% of US census tracts
FEMA ratingRelatively Moderate to Very High across the 6 census tracts this ZIP code covers
Expected annual loss98.3 out of 100
Community resilience13.6 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
Earthquake95.4Relatively High at its worst in this ZIP code
Heat wave90.9Very High at its worst in this ZIP code
Wildfire83.4Relatively Low at its worst in this ZIP code
Hail83.3Very High at its worst in this ZIP code
River flooding58.9Relatively High at its worst in this ZIP code
Lightning17.8Relatively Low at its worst in this ZIP code
Tornado16.5Very Low at its worst in this ZIP code
Winter weather15.8Very Low at its worst in this ZIP code
Strong wind14.4Relatively Low at its worst in this ZIP code
Landslide1Very 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$64,481$96,334$78,538
Income per person$20,168$47,977$43,289
Poverty rate12.4%12%12.4%
Median home value$272,200$695,400$303,400
Median gross rent$965$1,956$1,348
Homeownership46.8%55.8%65%
Bachelor's degree or higher6.3%36.5%35%
Unemployment rate10%6.4%5.2%
Works from home4.2%15.5%13.5%
Born outside the US35.2%26.7%13.9%
Median age30.937.638.7
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 stationLEMOORE REEVES NAS, CA US12.8 km away
Rain in a year7 in

Average high and low by month

January56°F / 37°F1.52 in rain
February62.5°F / 39.1°F1.27 in rain
March69.2°F / 43°F1.36 in rain
April75.8°F / 46.1°F0.5 in rain
May84.8°F / 52.6°F0.37 in rain
June92.4°F / 57.8°F0.04 in rain
July98°F / 62.7°F0.01 in rain
August96.6°F / 61.2°F0 in rain
September91.8°F / 57.1°F0.04 in rain
October81°F / 48.8°F0.43 in rain
November66.5°F / 39.9°F0.51 in rain
December56.2°F / 35.8°F1.14 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 supermarket62% of this ZIP code's area
Far from a supermarket62% of this ZIP code's area
No vehicle and far from a supermarket9% 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 5 school districts, so the address decides which one, not the ZIP code.

Riverdale Joint Unified School District45.6% of this ZIP code's land area
Burrel Union Elementary School District25.3% of this ZIP code's land area
Riverdale Joint Unified School District (9-12)25.3% of this ZIP code's land area
Raisin City Elementary School District1.3% of this ZIP code's land area
Caruthers Unified School District (9-12)1.3% 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 vulnerability87more vulnerable than 87% of US census tracts
Socioeconomic status89more vulnerable than 89% of US census tracts
Household characteristics62more vulnerable than 62% of US census tracts
Racial and ethnic minority status86more vulnerable than 86% of US census tracts
Housing type and transport79more vulnerable than 79% of US census tracts
Walkability5.9 out of 20Below average
Nearby ZIP codes

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

93609 Caruthers, CA12.1 km away
93242 Laton, CA14 km away
93607 Burrel, CA18 km away
93245 Lemoore, CA18.6 km away
93652 Raisin City, CA19.4 km away
93202 Armona, CA20 km away
93230 Hanford, CA22.7 km away
93627 Helm, CA23.2 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 County90.7% of this ZIP code's land area
Kings County9.3% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area113.22 sq mi
Water area0.01 sq mi
Population density55 people per sq mi
Latitude, longitude36.4295, -119.8720

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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