Zip Code: 90604 (Whittier, CA) - Market Hotness: Trend of Supply Score (Realtor)
Updated on March 13, 2026.

According to data from Realtor.com, the market hotness: supply score for the 90604 Zip Code in February 2026 was 92.648.

You can see similar for other California Zip Codes.

The chart and table below shows the trend of the market hotness: supply score for the 90604 zip code.

Note: Supply Score is an index representing the metro's median days on market ranking compared to other metros.

Data Source: Realtor.
Zip Code: 90604 - Market Hotness: Trend of Supply Score
Zip Code: 90604 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 98.26929084661043
October 2017 96.70958512160229
November 2017 92.73989898989899
December 2017 89.57352087231433
January 2018 91.79867655905353
February 2018 97.38158077510765
March 2018 97.31986248509085
April 2018 92.98427868965994
May 2018 93.90010917030568
June 2018 95.74552948215117
July 2018 97.73358300510105
August 2018 99.33571793561575
September 2018 97.35607405528785
October 2018 94.58898944193062
November 2018 93.14141094590319
December 2018 97.73837059881778
January 2019 96.95551894563427
February 2019 90.9758945127395
March 2019 96.66089366124004
April 2019 93.56143719144268
May 2019 83.73465047677848
June 2019 73.39474215020508
July 2019 64.96297752440863
August 2019 92.36273744470466
September 2019 94.65609488815832
October 2019 91.47301833204234
November 2019 89.15505793516469
December 2019 91.14462233441839
January 2020 92.6677828938189
February 2020 92.8800934715934
March 2020 94.35821993379919
April 2020 80.80005937360843
May 2020 83.85338907136457
June 2020 89.70179523773754
July 2020 59.29162477766607
August 2020 61.831210191082796
September 2020 95.85948325046866
November 2020 96.95670449768811
December 2020 57.54716981132076
May 2021 84.56120092378752
June 2021 82.032529199869
July 2021 52.064197032401324
August 2021 75.41091387245234
September 2021 80.20027309968138
October 2021 36.080057699242694
December 2021 95.12910798122066
May 2022 85.62734082397003
June 2022 79.7848127457066
July 2022 50.61591182735945
August 2022 66.16252243014613
September 2022 66.4699435123514
October 2022 58.97435897435898
November 2022 49.11346041788063
December 2022 57.8232447576195
January 2023 59.71357409713575
February 2023 75.31870027796415
March 2023 63.64639775235802
April 2023 50.23604269293924
May 2023 43.965256034743966
July 2023 69.60664088293558
August 2023 81.42844194688661
September 2023 74.41199964498092
February 2024 85.65140020605038
March 2024 50.01432801604738
April 2024 66.58593386120167
July 2024 93.46071487399111
August 2024 80.29560607277692
September 2024 68.46255953775278
October 2024 64.62543219362274
November 2024 76.90479840564157
December 2024 61.678354010942435
January 2025 36.736202365308806
February 2025 89.77907676437721
March 2025 87.96927591266073
April 2025 56.81741761936785
May 2025 62.81362007168458
June 2025 62.9500580720093
July 2025 79.90078171978352
August 2025 82.74918663117421
September 2025 68.57350272232306
October 2025 66.79204339963833
November 2025 68.13338166002175
December 2025 86.11498641603642
January 2026 87.68503448810354
February 2026 81.33936505372002
March 2026 92.64766286042881