What are the schools like in Walnut, CA?

Walnut is served primarily by Walnut Valley Unified. The district operates 9 elementary schools, 3 middle schools, and 3 high schools with a student-to-teacher ratio of 25.3:1.

What is the median household income in Walnut?

The median household income in Walnut, CA is $130,444 according to the most recent US Census American Community Survey 5-year estimates. The unemployment rate is 4.2%.

What is the weather like in Walnut, CA?

Walnut has an average high temperature of 67.9°F in January and 90.3°F in July. Annual precipitation averages 16.3 inches.

Walnut, CA Cost of Living, Crime & Is It a Good Place to Live? (2026)

Q: Is Walnut, CA affordable or expensive?

Walnut's cost of living index is 116, where 100 represents the national average. This means Walnut is 16% more expensive than the average US city. The median home value is $942,100 and the median rent is $2,832 per month.

Q: What is the crime rate in Walnut, CA?

Walnut has a violent crime rate of 127.3 incidents per 100,000 residents and a property crime rate of 1891.2 per 100,000. The national average violent crime rate is approximately 380 per 100,000.

Is Walnut, CA a Good Place to Live?

Walnut is a small city of 28,212 in California, with a median household income of $130,444 and a 4.2% unemployment rate. Its cost of living index is 116 (US average = 100), which is 16% above the national average.

Strengths: Walnut stands out for lower-than-average crime, solid school ratings (B+), a well-educated population.

Trade-offs: Potential downsides include an above-average cost of living, high home prices, longer commutes. Whether Walnut is right for you depends on your priorities — the full breakdown is below.

All Walnut city data on this page comes from official government sources — the US Census Bureau, FBI, NCES, BEA, and NOAA — updated annually.

Cost of Living

Index: 115.5

Walnut's overall cost of living index is 115.5, where 100 represents the US national average. Living in Walnut costs roughly 16% more than the average American city.

Metric	Walnut, CA	National Avg
Median Home Value	$942,100	$244,900
Median Monthly Rent	$2,832	$1,163
Homeownership Rate	82.5%	65.9%
Median Household Income	$130,444	$74,755

Crime & Safety

Very Safe

Walnut's violent crime rate is 127.3 per 100,000 residents — 66% lower than the national average of ~380 per 100,000.

Violent Crime

127.3 /100k

Property Crime

1891.2 /100k

Vertical marker = national average. Source: FBI UCR Program.

Schools & Education

Walnut is served primarily by Walnut Valley Unified. The student-to-teacher ratio is 25.3:1 (slightly above the national average of ~16:1).

Metric	Walnut, CA	National Avg
School District	Walnut Valley Unified	—
Elementary Schools	9	—
Middle Schools	3	—
High Schools	3	—
Student/Teacher Ratio	25.3:1	16:1
Bachelor's Degree or Higher	55.6%	35.4%
High School Diploma or Higher	93.3%	91.1%

Weather & Climate

Walnut sees average highs of 67.9°F in January and 90.3°F in July, with 16.3 inches of annual precipitation .

Metric	Walnut, CA
Average High — January	67.9°F
Average High — July	90.3°F
Annual Precipitation	16.3"
Annual Snowfall	Trace / None

Demographics

Metric	Walnut, CA	National Avg
Population	28,212	—
Median Age	46.5	38.9
Unemployment Rate	4.2%	3.7%
Avg Commute Time	35.1 min	26 min
White (non-Hispanic)	14.8%	59.3%
Black or African American	2.9%	13.6%
Hispanic or Latino	12.7%	18.9%
Asian	65.9%	6.3%
Under 18	18.8%	22.2%
65 and over	23.1%	16.8%

Nearby Cities

South San Jose Hills, CA 3 mi Diamond Bar, CA 3 mi West Covina, CA 3 mi Covina, CA 4 mi Valinda, CA 4 mi

ZIP Codes in Walnut

Walnut, CA is covered by 1 ZIP code:

91789

Walnut vs Other Cities

Walnut, CA vs South San Jose Hills, CA Walnut, CA vs Diamond Bar, CA Walnut, CA vs West Covina, CA Walnut, CA vs Covina, CA Walnut, CA vs Valinda, CA

Frequently Asked Questions

Is Walnut, CA affordable or expensive?

Walnut's cost of living index is 116, where 100 is the national average. That puts Walnut roughly 16% above the national average in cost. The median home price is $942,100 and median rent is $2,832/month.

What is the crime rate in Walnut, CA?

Walnut's violent crime rate is 127.3 per 100,000 residents — the national average is ~380 per 100,000. Property crime is 1891.2 per 100,000 (national avg ~2,100). Data from the FBI Uniform Crime Reporting Program.

What are the schools like in Walnut?

Public schools in Walnut are operated by Walnut Valley Unified. The district has 9 elementary, 3 middle, and 3 high schools. The student-to-teacher ratio is 25.3:1. 55.6% of adults 25+ hold a bachelor's degree or higher.

Is Walnut, CA a good place to live?

Walnut, CA has a population of 28,212, a median household income of $130,444, and an unemployment rate of 4.2%. Whether it's right for you depends on your priorities — use the compare tool above to stack it against another city you're considering.

What is the weather like in Walnut?

Walnut averages 67.9°F in January and 90.3°F in July. Annual rainfall is 16.3 inches . Based on NOAA 30-year climate normals (1991–2020).

What ZIP codes are in Walnut?

Walnut, CA is covered by 1 ZIP code: 91789.

What is the population of Walnut?

The population of Walnut, California is 28,212 with a median age of 46.5. Source: US Census ACS 5-Year Estimates.

What are the pros and cons of living in Walnut?

Key numbers for living in Walnut: cost of living index 116 (100 = US average), median home $942,100, median household income $130,444, crime index 56 (100 = US average, lower is safer), schools rated B+. Whether these are benefits or drawbacks depends on where you're coming from — compare Walnut side by side with your current city to see the trade-offs.