Graph and download economic data for All-Transactions House Price Index for California (CASTHPI) from Q1 1975 to Q1 2025 about appraisers, CA, HPI, housing, price index, indexes, price, and USA.

The median house price of residential real estate in California has increased notably since 2012. After a brief correction in property prices in 2022, the median price reached 756,200 U.S. dollars in December 2023.

Graph and download economic data for Housing Inventory: Median Listing Price in California (MEDLISPRICA) from Jul 2016 to May 2025 about CA, listing, median, price, and USA.

All-Transactions House Price Index for California was 968.88000 Index 1980 Q1=100 in October of 2024, according to the United States Federal Reserve. Historically, All-Transactions House Price Index for California reached a record high of 968.88000 in October of 2024 and a record low of 41.69000 in January of 1975. Trading Economics provides the current actual value, an historical data chart and related indicators for All-Transactions House Price Index for California - last updated from the United States Federal Reserve on May of 2025.

Graph and download economic data for All-Transactions House Price Index for Orange County, CA (ATNHPIUS06059A) from 1975 to 2024 about Orange County, CA; Los Angeles; CA; HPI; housing; price index; indexes; price; and USA.

Graph and download economic data for All-Transactions House Price Index for San Diego-Chula Vista-Carlsbad, CA (MSA) (ATNHPIUS41740Q) from Q4 1975 to Q1 2025 about San Diego, appraisers, CA, HPI, housing, price index, indexes, price, and USA.

In October 2024, the median sales price of an existing single-family home in Del Norte, California saw an increase of nearly 30 percent, compared to the 5.8 percent increase in the state. 20 counties saw prices fall during this period. In Trinity, the median sales price of single-family homes decreased by approximately 36 percent.

Graph and download economic data for All-Transactions House Price Index for California from Q1 1975 to Q4 2024 about appraisers, CA, HPI, housing, price index, indexes, price, and USA.

In October 2024, the median sales price of an existing single-family home in San Mateo, California was two million U.S. dollars. This was more than double the median sales price in the state of California. The most affordable county was Trinity, where an existing single family home sold for approximately 205,000 U.S. dollars.

All-Transactions House Price Index for Sacramento County, CA was 320.17000 Index 2000=100 in January of 2024, according to the United States Federal Reserve. Historically, All-Transactions House Price Index for Sacramento County, CA reached a record high of 320.17000 in January of 2024 and a record low of 21.03000 in January of 1975. Trading Economics provides the current actual value, an historical data chart and related indicators for All-Transactions House Price Index for Sacramento County, CA - last updated from the United States Federal Reserve on May of 2025.

All-Transactions House Price Index for Santa Barbara County, CA was 320.36000 Index 2000=100 in January of 2024, according to the United States Federal Reserve. Historically, All-Transactions House Price Index for Santa Barbara County, CA reached a record high of 320.36000 in January of 2024 and a record low of 12.72000 in January of 1975. Trading Economics provides the current actual value, an historical data chart and related indicators for All-Transactions House Price Index for Santa Barbara County, CA - last updated from the United States Federal Reserve on June of 2025.

The S&P Case Shiller Los Angeles Home Price Index measures changes in the prices of existing single-family homes in Los Angeles. The index value was equal to 100 as of January 2000, so if the index value is equal to 130 in a given month, for example, it means that the house prices have increased by 30 percent since 2000. The value of the S&P Case Shiller Los Angeles Home Price Index amounted to approximately 441.57 in August 2024. That was significantly higher than the national average.

Graph and download economic data for All-Transactions House Price Index for Alameda County, CA (ATNHPIUS06001A) from 1975 to 2024 about Alameda County, CA; San Francisco; CA; HPI; housing; price index; indexes; price; and USA.

New housing price index (NHPI). Monthly data are available from January 1981. The table presents data for the most recent reference period and the last four periods. The base period for the index is (201612=100).

All-Transactions House Price Index for Contra Costa County, CA was 283.63000 Index 2000=100 in January of 2024, according to the United States Federal Reserve. Historically, All-Transactions House Price Index for Contra Costa County, CA reached a record high of 283.63000 in January of 2024 and a record low of 15.09000 in January of 1975. Trading Economics provides the current actual value, an historical data chart and related indicators for All-Transactions House Price Index for Contra Costa County, CA - last updated from the United States Federal Reserve on June of 2025.

California - All-Transactions House Price Index for Bakersfield-Delano, CA (MSA) was 281.84000 Index 1995 Q1=100 in July of 2021, according to the United States Federal Reserve. Historically, California - All-Transactions House Price Index for Bakersfield-Delano, CA (MSA) reached a record high of 281.84000 in July of 2021 and a record low of 52.03000 in July of 1977. Trading Economics provides the current actual value, an historical data chart and related indicators for California - All-Transactions House Price Index for Bakersfield-Delano, CA (MSA) - last updated from the United States Federal Reserve on April of 2025.

Oakland-Hayward-Berkeley, CA - All-Transactions House Price Index for Oakland-Berkeley-Livermore, CA (MSAD) was 498.83000 Index 1995 Q1=100 in October of 2024, according to the United States Federal Reserve. Historically, Oakland-Hayward-Berkeley, CA - All-Transactions House Price Index for Oakland-Berkeley-Livermore, CA (MSAD) reached a record high of 498.83000 in October of 2024 and a record low of 20.08000 in April of 1975. Trading Economics provides the current actual value, an historical data chart and related indicators for Oakland-Hayward-Berkeley, CA - All-Transactions House Price Index for Oakland-Berkeley-Livermore, CA (MSAD) - last updated from the United States Federal Reserve on June of 2025.

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Context

This is the dataset is a modified version of the California Housing Data used in the paper Pace, R. Kelley, and Ronald Barry. "Sparse spatial autoregressions." Statistics & Probability Letters 33.3 (1997): 291-297.. It serves as an excellent introduction to implementing machine learning algorithms because it requires rudimentary data cleaning, has an easily understandable list of variables and sits at an optimal size between being too toyish and too cumbersome.

The data contains information from the 1990 California census. So although it may not help you with predicting current housing prices like the Zillow Zestimate dataset, it does provide an accessible introductory dataset for teaching people about the basics of machine learning.

Modifications with respect to the original data

This dataset includes 5 extra features defined by me: "Distance to coast", "Distance to Los Angeles", "Distance to San Diego", "Distance to San Jose", and "Distance to San Francisco". These extra features try to account for the distance to the nearest coast and the distance to the centre of the largest cities in California.

The distances were calculated using the Haversine formula with the Longitude and Latitude:

https://wikimedia.org/api/rest_v1/media/math/render/svg/a65dbbde43ff45bacd2505fcf32b44fc7dcd8cc0" alt="">

where:

• phi_1 and phi_2 are the Latitudes of point 1 and point 2, respectively
• lambda_1 and lambda_2 are the Longitudes of point 1 and point 2, respectively
• r is the radius of the Earth (6371km)

Content

The data pertains to the houses found in a given California district and some summary stats about them based on the 1990 census data. The columns are as follows, their names are pretty self-explanatory:

1) Median House Value: Median house value for households within a block (measured in US Dollars) [$] 2) Median Income: Median income for households within a block of houses (measured in tens of thousands of US Dollars) [10k$] 3) Median Age: Median age of a house within a block; a lower number is a newer building [years] 4) Total Rooms: Total number of rooms within a block 5) Total Bedrooms: Total number of bedrooms within a block 6) Population: Total number of people residing within a block 7) Households: Total number of households, a group of people residing within a home unit, for a block 8) Latitude: A measure of how far north a house is; a higher value is farther north [°] 9) Longitude: A measure of how far west a house is; a higher value is farther west [°] 10) Distance to coast: Distance to the nearest coast point [m] 11) Distance to Los Angeles: Distance to the centre of Los Angeles [m] 12) Distance to San Diego: Distance to the centre of San Diego [m] 13) Distance to San Jose: Distance to the centre of San Jose [m] 14) Distance to San Francisco: Distance to the centre of San Francisco [m]

Source

This data was entirely modified and cleaned by me. The original data (without the distance features) was initially featured in the following paper: Pace, R. Kelley, and Ronald Barry. "Sparse spatial autoregressions." Statistics & Probability Letters 33.3 (1997): 291-297.

The original dataset can be found under the following link: https://www.dcc.fc.up.pt/~ltorgo/Regression/cal_housing.html

All-Transactions House Price Index for San Mateo County, CA was 288.75000 Index 2000=100 in January of 2024, according to the United States Federal Reserve. Historically, All-Transactions House Price Index for San Mateo County, CA reached a record high of 288.75000 in January of 2024 and a record low of 10.92000 in January of 1975. Trading Economics provides the current actual value, an historical data chart and related indicators for All-Transactions House Price Index for San Mateo County, CA - last updated from the United States Federal Reserve on May of 2025.

Mexico Average House Price: Baja California data was reported at 903,598.000 MXN in Mar 2019. This records an increase from the previous number of 720,437.000 MXN for Dec 2018. Mexico Average House Price: Baja California data is updated quarterly, averaging 658,724.000 MXN from Dec 2014 (Median) to Mar 2019, with 18 observations. The data reached an all-time high of 903,598.000 MXN in Mar 2019 and a record low of 562,050.000 MXN in Dec 2014. Mexico Average House Price: Baja California data remains active status in CEIC and is reported by Federal Mortgage Society. The data is categorized under Global Database’s Mexico – Table MX.EB005: Average House Price.