Urban Honolulu Photo

Diamond Head-Kapahulu-St. Louis, Urban Honolulu,HI

Neighborhood Data
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Diamond Head-Kapahulu-St. Louis is a vibrant neighborhood in the southeast part of Honolulu, known for its unique blend of natural beauty and urban convenience. One of the standout attractions here is the iconic Diamond Head Crater, a must-visit for outdoor enthusiasts who enjoy hiking and panoramic views of the city and ocean. This area also features the bustling Kapahulu Avenue, dotted with local eateries, cafes, and shops that give the community its welcoming, laid-back vibe. Whether you’re craving traditional Hawaiian plate lunches or trendy fusion cuisine, you’ll find plenty of options right at your doorstep.

For those relocating to this neighborhood, the proximity to downtown Honolulu is definitely a plus. It’s just a short drive or bus ride away, making it easy to commute for work or enjoy the cultural and entertainment offerings of the city center. Despite its closeness to downtown, Diamond Head-Kapahulu-St. Louis still feels like a peaceful retreat, with quiet residential streets and an abundance of green spaces. St. Louis Heights Park is a favorite spot for families and fitness lovers alike, providing a perfect place to relax or get active after a busy day.

Living in Diamond Head-Kapahulu-St. Louis means embracing an active and community-oriented lifestyle. The neighborhood hosts various local events and farmers markets, encouraging residents to connect and celebrate Hawaiian culture. Plus, with easy access to Waikiki’s famous beaches just a short distance away, weekend beach trips become a regular, enjoyable part of life. Whether you’re a young professional, a family, or someone looking for a peaceful yet engaging environment, this area offers a wonderful balance of everything Honolulu has to offer.

Diamond Head-Kapahulu-St. Louis Demographics

Population 20,870
Density (People/sqml.) 6,139
Median Age 44.1
Married Couples
44%
44% of the population of Diamond Head-Kapahulu-St. Louis aged 16 years and older are married.
Have Kids
17%
17% of the population aged 16 years or older have children.

17% of the Diamond Head-Kapahulu-St. Louis population aged 16 and up are married, which is in line with national averages. This balance suggests a neighborhood with a healthy mix of families, couples, and single residents, creating a well-rounded community dynamic. You are likely to find a blend of stability and social variety, appealing to both long-term homeowners and younger professionals alike.

With only 17% of people over 16 having children, you can expect an easygoing environment that tends to attract residents seeking a quieter lifestyle. The atmosphere here leans more toward adult-oriented living. Without the constant rhythm of school schedules or kid-centered events, the community maintains a slower, more relaxed pace. This makes it especially appealing to singles, couples, and empty nesters who appreciate tranquil streets, and recreation on their own terms.

Age Breakdown

Diamond Head-Kapahulu-St. Louis neighborhood age breakdown chart

Exploring Diamond Head-Kapahulu-St. Louis demographics can reveal a lot about its character, pace, and overall lifestyle. Diamond Head-Kapahulu-St. Louis has a population of 20,870, which is larger than many other Urban Honolulu neighborhoods, creating a lively and dynamic atmosphere. Its size brings an abundance of amenities, entertainment options, and community activities, while still offering spaces to unwind and enjoy the neighborhood’s unique character.

Boasting a population density of 6,139, Diamond Head-Kapahulu-St. Louis is more densely populated than many other Urban Honolulu neighborhoods, creating a vibrant and energetic atmosphere. The higher concentration of residents contributes to a lively street scene, a strong sense of community, and convenient access to shops, restaurants, and urban amenities just steps from home.

Home to a population with a higher-than-average age of 44, this area offers a calm and refined atmosphere shaped by experience and tradition. The neighborhood’s more mature demographic fosters a strong sense of community, a relaxed pace of life, and an environment that’s both welcoming and well-established — making it an especially appealing choice for retirees seeking comfort, stability, and connection.

Crime in Diamond Head-Kapahulu-St. Louis

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Total Crime Incidents
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Types of Crime

Diamond Head-Kapahulu-St. Louis neighborhood crime breakdown chart

Diamond Head-Kapahulu-St. Louis Crime Map

The Diamond Head-Kapahulu-St. Louis crime map uses detailed block group boundaries from address-based crime data to visualize crime patterns across the neighborhood, highlighting both low-crime zones and areas with higher levels of reported crime. This crime heat map helps paint a clearer picture of local safety trends, showing how crime can vary from one part of the community to another. Keep in mind that areas with higher activity on the map don’t always equate to dangerous conditions — locations near entertainment districts, major roads, or tourist destinations often see more reports simply due to the larger number of people passing through.

Housing

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Home Price $946,397
Median Rent $1,904
People/Household 2.4

Home Price Breakdown

Diamond Head-Kapahulu-St. Louis neighborhood home price breakdown chart

Rent vs Own

Rent 52% Own 48%

Year Moved In

Before 2010 66% After 2010 34%

Types of Homes in the Area

Market Trends

Year-over-Year Home Prices YoY data

 

Housing costs often reflect the desirability and overall character of a neighborhood. In Diamond Head-Kapahulu-St. Louis, home prices come in around $946,397, which is higher than many other areas. This elevated pricing points to a sought-after location with strong demand, well-maintained properties, and access to premium amenities that contribute to a higher quality of life. Historical home price trends and appreciation rates in Diamond Head-Kapahulu-St. Louis can serve as a window into the neighborhood’s economic strength and future potential. By understanding how the market has performed in the past, buyers and investors can better evaluate whether the area offers promising opportunities for growth and long-term value.

With an average rent price of $1,904, rental rates in Diamond Head-Kapahulu-St. Louis are higher than many other neighborhoods. This reflects the area’s desirability and strong demand, often accompanied by well-maintained properties, premium amenities, and a high quality of life.

Walkability & Lifestyle

Coffee Shops

Starbucks
Coffee Shop
min.
min.
Little Sweet
Coffee Shop
min.
min.

Entertainment

Kaimuki High School Baseball Stadium
Stadium
min.
min.
Chimpanzee
Attraction
min.
min.

Food & Drink

Ramen Ono-ya
Restaurant
min.
min.
Jack in the Box
Fast Food
min.
min.

Groceries

Nanding's Bakery
Bakery
min.
min.
Lifestream Natural Foods Hawaii
Health Food
min.
min.

Parks

Playground
Playground
min.
min.
Crane Community Park
Park
min.
min.

Shops

NomNom
Convenience Store
min.
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Snoopy’s Surf Shop
Sports
min.
min.

Getting Around

Transit Stops

Mooheau Avenue + Paliuli Street
Bus Stop
min.
min.
Mooheau Avenue + Winam Avenue
Bus Stop
min.
min.

Transit Stations

 
 
 
 
 
 
 
 
 
 
 
 

Health & Safety

Medical Facilities

US Renal Care
Clinic
min.
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Longs Drugs
Pharmacy
min.
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Health Care

Waialae Dental
Dentist
min.
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Island Orthopaedics
Doctor
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Safety

Waikiki-Kapahulu Fire Station
Fire Station
min.
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Kaimuki Fire Station
Fire Station
min.
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Top Rated Schools

Name Category Grades Rating
King Liholiho Elementary School
3430 Maunaloa Ave, Honolulu, HI
Elementary School PK - 5 School Score
Prince Jonah Kuhio Elementary School
2759 South King St, Honolulu, HI
Elementary School PK - 5 School Score
Waikiki Elementary School
3710 Leahi Ave, Honolulu, HI
Elementary School PK - 5 School Score
Honolulu Waldorf School
5257 Kalanianaole Hwy, Honolulu, HI
High School 9 - 12 School Score
University Laboratory School
1776 University Ave, Honolulu, HI
High School KG - 12 School Score
Hawaii School For The Deaf And Blind
3440 Leahi Ave, Honolulu, HI
High School PK - 12 School Score
Aliiolani Elementary School
1240 7Th Ave, Honolulu, HI
Elementary School PK - 5 School Score

Education Level Achieved

Education is a key factor in understanding the character and opportunities within a community like Diamond Head-Kapahulu-St. Louis. School ratings here reflect important indicators such as academic performance, graduation outcomes, and standardized testing, while NAEP (National Assessment of Educational Progress) scores offer a valuable national comparison to gauge how local schools measure up. Looking at the overall education level of residents in Diamond Head-Kapahulu-St. Louis can also provide meaningful insight into the neighborhood’s focus on learning and long-term growth, helping families choose a community that aligns with their educational goals.