Downtown / Triangle Square Neighborhood, Costa Mesa

Last updated: June 14, 2026

Crime Rate & Statistics

B

Good safety — crime rates are below the national average

Summary: Downtown / Triangle Square, Costa Mesa Crime Rate (2026)

Downtown / Triangle Square in Costa Mesa, CA has a crime safety grade of B as of 2026. The overall crime index is 172, which is 72% above the national average.

Data source: FBI UCR & local law enforcement data. Last updated: June 14, 2026.

Safety at a Glance

Overall Crime High
Low 172 / 300 High
Violent Crime 133
33% above national avg
Property Crime 157
57% above national avg

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in Costa Mesa

Is Downtown / Triangle Square Safe?

Yes — this neighborhood has good safety. Downtown / Triangle Square in Costa Mesa, CA has a safety grade of B. The overall crime index is 172, which is 72% above the national average of 100.

Compared to the Costa Mesa average (crime index 98), Downtown / Triangle Square is 74% higher in overall crime. Residents and visitors should exercise extra caution in this area, particularly after dark.

Looking at specific crime types, burglary is the most elevated concern (index: 164, 64% above average), while rape is the lowest risk (index: 105). Property crime is more prevalent than violent crime here, consistent with broader national patterns.

Highest Risk
Burglary · Index 164 (64% above avg)
Lowest Risk
Rape · Index 105 (5% above avg)

Downtown / Triangle Square Crime Breakdown

Crime indices compared to national average (100) and Costa Mesa city average. Higher values mean more crime.

Crime Type Index vs National Risk Level
Violent Crime
Murder
159 +59% High
Assault
155 +55% High
Robbery
113 +13% Moderate
Rape
105 +5% Moderate
Property Crime
Burglary
164 +64% High
Larceny / Theft
163 +63% High
Vehicle Theft
145 +45% Moderate

How Downtown / Triangle Square Compares

Crime index by category: Downtown / Triangle Square vs Costa Mesa average vs national average.

Crime by Category

Overall Crime Comparison

Downtown / Triangle Square Crime Map

Crime heatmap based on block-group level data. Red areas indicate higher crime density.

Full Screen Map
Crime Level: Low Below Avg Average Above Avg High

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Downtown / Triangle Square Demographics & Context

Population
1,187
Median Income
$48,921
Home Value
$827,386
Median Age
35
Pop. Density
9,205/mi²

Education

Bachelor's Degree 21.7%
Graduate Degree 14.2%

Housing

12%
88%
Owner-occupied Renter-occupied

Racial Demographics

White 62%
Black 1.6%
Hispanic 47.9%
Asian 8.6%

Nearby Neighborhoods

Westside Costa Mesa Index: 114
A-
Eastside Costa Mesa Index: 135
A
College Park Index: 89
A
Orange County Fairgrounds / Orange Coast College Index: 133
B
Upper Bird Streets Index: 161
B
Lower Bird Streets Index: 10
A+
The Tree Streets Index: 103
A-
Balearic Park Index: 12
A+
Downtown / Triangle Square Crime Map
Interactive crime heatmap for this neighborhood
Costa Mesa Crime Statistics
View all Costa Mesa neighborhoods & city-wide data

Frequently Asked Questions

What is the crime rate in Downtown / Triangle Square, Costa Mesa?

Downtown / Triangle Square in Costa Mesa, CA has a crime safety grade of B as of 2026. The overall crime index is 172, which is 72% above the national average. Compared to the Costa Mesa average, crime in Downtown / Triangle Square is 74% higher.

Is Downtown / Triangle Square a safe neighborhood in Costa Mesa?

Downtown / Triangle Square is generally considered a safe neighborhood in Costa Mesa, earning a crime grade of B. The highest concern is Burglary (index: 164), while Rape is the lowest risk (index: 105).

How does Downtown / Triangle Square compare to the rest of Costa Mesa?

Downtown / Triangle Square's overall crime index is 172, compared to the Costa Mesa average of 98. This means crime in Downtown / Triangle Square is 74% higher than the city average. For violent crime, the index is 133, and for property crime it is 157. However, crime can vary block by block, so checking the crime map for specific streets is recommended.

What type of crime is most common in Downtown / Triangle Square?

The most prevalent crime type in Downtown / Triangle Square is Burglary, with a crime index of 164 (64% above the national average). Overall, property crime is more prevalent than violent crime in this neighborhood, which is consistent with national trends.

What are safer neighborhoods near Downtown / Triangle Square?

Nearby neighborhoods with good safety ratings include Westside Costa Mesa, Eastside Costa Mesa, College Park and Orange County Fairgrounds / Orange Coast College. These areas are close to Downtown / Triangle Square and offer lower crime rates, making them worth considering for residents who prioritize safety.

What are the demographics of Downtown / Triangle Square?

Downtown / Triangle Square has a population of approximately 1,187. The median household income is $48,921. The median home value is $827,386. Research shows that economic factors can correlate with crime rates, though many other variables play a role in neighborhood safety.

How does Downtown / Triangle Square crime compare to the national average?

Downtown / Triangle Square's overall crime rate is 72% above the national average (index 172 vs 100). For the most accurate picture, review the per-crime-type breakdown above, as some categories may differ significantly from the overall trend.

Crime data sourced from FBI UCR reports and local law enforcement agencies. Crime indices use 100 as the national average. Updated June 2026.