Riverdale ZIP Codes — Fresno County, CA

There is one unique ZIP code in Riverdale, California and it is 93656. Area code: 559.

ZIP codes

113.22

sq mi land

0.01

sq mi water

559

area code

Riverdale, CA ZIP code map

About Riverdale, CA

Riverdale is a small, unincorporated community located in California's Fresno County. This quaint town, known for its agricultural backdrop, offers a unique glimpse into rural life in the Central Valley. Riverdale is home to a tight-knit community where neighbors know each other, fostering a friendly atmosphere.

Location & geography

Riverdale is situated in the heart of California's Central Valley, approximately 25 miles southwest of the city of Fresno. The town lies near other communities, such as Kerman, which is about 15 miles to the northwest, and Lemoore, approximately 13 miles to the southeast. Covering an area of 113.22 square miles, with a negligible water area of 0.01 square miles, Riverdale's terrain primarily consists of agricultural land.

Community & economy

The character of Riverdale reflects its agricultural roots, with many residents engaged in farming and related industries. Daily life in Riverdale revolves around community events and local traditions, making it a welcoming place for families. The town's economy is primarily driven by agriculture, with crops such as cotton and almonds being significant contributors.

Transportation

Riverdale is accessible via California State Route 41, which connects the town to larger cities and nearby attractions. The nearest major airport is the Fresno Yosemite International Airport, located about 30 miles to the northeast. Public transportation options are limited in this rural area, with most residents relying on personal vehicles to get around.

History

Riverdale was founded in the late 19th century, developing rapidly as agricultural practices expanded in the region. Over the years, the town has become known for its farming community, primarily focusing on crop cultivation that supports the local economy. Notable events, such as agricultural fairs, celebrate the town's heritage and contributions to the surrounding areas.

Did you know?

One surprising fact about Riverdale is that it has only one ZIP code, 93656, which makes it unique among communities of its size. Additionally, despite its small population, Riverdale plays a significant role in the larger agricultural landscape of Fresno County.

ZIP codes for Riverdale, CA (1)

ZIP code	City	County	Map
93656	Riverdale	Fresno	View map

Demographics & statistics

6,249

Population

32.5

Median age

$66,808

Median household income

$21,022

Per capita income

$252,600

Median home value

$989

Median monthly rent

46.0%

Home ownership

11.9%

Poverty rate

6.7%

Unemployment

977

Housing units

11.6%

Bachelor's or higher

Age distribution

Male Female

207

Under 5

220

235

5–9

250

227

10–14

242

272

15–19

290

130

20–24

139

543

25–34

578

392

35–44

416

322

45–54

342

205

55–59

218

257

60–64

273

163

65–74

174

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,624	26.0%
18 and over	4,625	74.0%
65 and over	491	7.9%
Median age	32.5 years

Race & ethnicity

Hispanic or Latino 36.3%

Other race 30.6%

White 23.4%

Two or more races 7.4%

Asian 2%

American Indian / Alaska Native 0.2%

Black or African American 0.1%

Group	Count	%
Hispanic or Latino	3,566	36.3%
Other race	3,006	30.6%
White	2,300	23.4%
Two or more races	722	7.4%
Asian	197	2%
American Indian / Alaska Native	18	0.2%
Black or African American	6	0.1%

Household income

Under $10k 1.9%

$10k–$15k 5.5%

$15k–$25k 5.4%

$25k–$35k 6.6%

$35k–$50k 16.8%

$50k–$75k 20.2%

$75k–$100k 18.4%

$100k–$150k 12.4%

$150k–$200k 8.2%

$200k+ 4.7%

Range	% of households
Under $10k	1.9%
$10k–$15k	5.5%
$15k–$25k	5.4%
$25k–$35k	6.6%
$35k–$50k	16.8%
$50k–$75k	20.2%
$75k–$100k	18.4%
$100k–$150k	12.4%
$150k–$200k	8.2%
$200k+	4.7%
Median income	$66,808

Housing

Home values

Under $50k 1.4%

$50k–$100k 4.9%

$100k–$150k 5.2%

$150k–$200k 14.2%

$200k–$300k 39.3%

$300k–$500k 27.2%

$500k–$1M 7.0%

$1M+ 0.8%

Housing overview

Metric	Value
Median home value	$252,600
Median rent / month	$989
Owner occupied	46.0%
Renter occupied	54.0%
Vacant	13.3%
Single-family detached	79.4%
Large apartment buildings	0.7%
Mobile homes	14.4%
Median rooms	5.1
Avg household size (owned)	3.63

Year built

Era	%
2020 or later	0.0%
2010–2019	3.4%
2000–2009	7.8%
1990–1999	6.5%
1980–1989	22.4%
1970–1979	23.0%
1960–1969	6.8%
1950–1959	18.6%
1940–1949	6.4%
1939 or earlier	5.1%

Bedrooms

Size	% of units
No bedroom (studio)	0.2%
1 bedroom	1.2%
2 bedrooms	26.9%
3 bedrooms	46.0%
4 bedrooms	25.0%
5+ bedrooms	0.6%

Vehicles per household

Vehicles	% of households
No vehicle	0.9%
1 vehicle	18.2%
2 vehicles	32.5%
3 or more	48.4%

Heating fuel

Fuel type	%
Utility gas	48.1%
Electricity	22.7%
Propane / LP gas	15.4%
Wood	0.4%
Solar	0.6%

Households & families

Household type	Count	%
Married-couple family	1,094	68.7%
Cohabiting couple	151	9.5%
Male householder, no spouse	167	10.5%
Female householder, no spouse	180	11.3%
Households with children under 18	870	54.6%
Households with seniors (65+)	406	25.5%
Average household size	3.90

Marital status

Status	Male	Female
Never married	40.8%	35.9%
Married	54.1%	58.0%
Separated	1.6%	0.2%
Widowed	2.9%	4.8%
Divorced	0.7%	1.1%

Education

Less than 9th grade 29.0%

Some HS, no diploma 12.8%

HS graduate 28.8%

Some college, no degree 11.5%

Associate's degree 6.3%

Bachelor's degree 7.7%

Graduate / professional 3.9%

Metric	%
HS diploma or higher	58.2%
Bachelor's or higher	11.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	89	5.3%
Kindergarten	219	13.1%
Elementary school	518	31.0%
High school	425	25.4%
College / grad school	422	25.2%

Employment

Industry of employment

Agriculture & mining 37.6%

Education & healthcare 19.7%

Retail trade 9.3%

Manufacturing 8.1%

Construction 5.2%

Arts, food & hospitality 3.8%

Professional & management 3.2%

Transportation & utilities 3.1%

Public administration 2.6%

Wholesale trade 2.4%

Other services 2.0%

Finance & real estate 1.8%

Information 1.3%

Occupation

Category	%
Management, business & arts	17.2%
Service	14.4%
Sales & office	13.5%
Natural resources & construction	32.7%
Production & transportation	22.2%

Employment type

Type	%
Private sector	80.1%
Government	10.4%
Self-employed	9.5%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	73.3%
Carpool	13.2%
Public transit	0.0%
Walk	6.9%
Other means	1.4%
Avg commute (minutes)	21.6

Poverty

All people 11.9%

Under 18 years 14.6%

18 and over 10.9%

Married-couple families 8.8%

Female-led households 22.1%

Income support

Source	% of households
Social Security	26.0%
Retirement income	9.4%
Supplemental Security	8.9%
Cash public assistance	2.2%
Food stamps / SNAP	20.3%

Health indicators

Condition	%
High blood pressure	29.2%
High cholesterol	27.5%
Heart disease	6.3%
Stroke	3.4%
Asthma	11.2%
Arthritis	21.8%
Kidney disease	3.3%
Pulmonary disease	7.6%
Cancer	4.5%

Behavior / access	%
Binge drinking	18.2%
No physical activity	31.8%
Less than 7 hrs sleep	33.6%
Fair or poor health	25.1%
Poor mental health	17.8%
Poor physical health	14.5%
No health insurance	25.9%
Visited doctor (checkup)	64.6%
Visited dentist	47.6%
Cholesterol screening	85.1%
Teeth loss	21.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	136	2.9%

Disability	%
Any disability	11.9%
Under 18	0.0%
18–64 years	13.8%
65 and over	34.6%

Health insurance coverage

Type	%
Private insurance	49.2%
Public insurance	44.8%
Uninsured under 19	10.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	5,822	93.2%
Spanish	2,199	37.8%
Other Indo-European	2,194	37.7%
Asian & Pacific Islander	0	0.0%
Other languages	5	0.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	3,897	62.4%
Born in same state	3,831	61.3%
Born in different state	3,611	57.8%
Foreign born	66	1.1%
Naturalized citizen	2,352	37.6%
Not a US citizen	521	22.2%

Ancestry

Ancestry	Count	%
French	89	1.4%
Italian	79	1.3%
Arab	33	0.5%

Ancestry	Count	%
English	18	0.3%
Dutch	13	0.2%

Technology access

Metric	% of households
Computer access	25.5%
Internet access	90.5%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What ZIP codes does Riverdale, CA have?

Riverdale, CA has one ZIP code: 93656. Each ZIP code serves a distinct delivery area within the city and surrounding region.