Zip Code: 19121 (Philadelphia, PA) - 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 19121 Zip Code in February 2026 was 30.995.

You can see similar for other Pennsylvania Zip Codes.

The chart and table below shows the trend of the market hotness: supply score for the 19121 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: 19121 - Market Hotness: Trend of Supply Score
Zip Code: 19121 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 56.18244298656669
October 2017 64.00447844747154
November 2017 47.51262626262626
December 2017 33.66023614426737
January 2018 42.65757636521623
February 2018 70.09306848173358
March 2018 51.75752473163544
April 2018 52.23353417826719
May 2018 51.87636462882096
June 2018 48.946353785814
July 2018 60.36030218893266
August 2018 67.1691364333163
September 2018 67.82906416434187
October 2018 83.57843137254902
November 2018 78.10186649794369
December 2018 70.03341043433564
January 2019 74.82042833607908
February 2019 80.84609573518303
March 2019 80.11776931070315
April 2019 66.95693911135491
May 2019 52.47307402071757
June 2019 34.23653600484099
July 2019 24.06133280912129
August 2019 24.193338537600834
September 2019 45.12344485270418
October 2019 58.15904983217144
November 2019 64.2364275484963
December 2019 63.81452202218827
January 2020 67.27361518068928
February 2020 64.84591792025705
March 2020 52.7620448694373
April 2020 60.501706991242386
May 2020 48.79814870110481
June 2020 40.1261924434763
July 2020 63.47536926765138
August 2020 63.590764331210195
September 2020 51.707555628005544
October 2020 41.246017105483816
November 2020 50.63472047078604
December 2020 42.585081996120614
January 2021 38.18834419571172
February 2021 45.882716685561164
March 2021 47.97081623347013
April 2021 36.71711292200233
May 2021 20.842956120092378
June 2021 16.71214932867591
July 2021 12.112647622892904
August 2021 8.866347327885789
September 2021 9.312699135184342
October 2021 11.765236206274793
November 2021 20.160116448326054
December 2021 30.721830985915492
January 2022 28.757018606187383
February 2022 19.482136188223578
March 2022 20.639379347244518
April 2022 16.877746187645386
May 2022 15.84737827715356
June 2022 16.15973515414856
July 2022 10.512179309067333
August 2022 4.263863966504315
September 2022 3.8445325014754235
October 2022 13.446729288313447
November 2022 22.5422459002747
December 2022 34.502079972833
January 2023 33.97082369685109
February 2023 31.544138790376692
March 2023 34.49729078868152
April 2023 29.792692939244663
May 2023 28.976871023128975
June 2023 17.065720760666075
July 2023 10.414111876238092
August 2023 7.214719477929847
September 2023 8.973107304517617
October 2023 8.385332079664929
November 2023 18.729917131743615
December 2023 20.93337842407846
January 2024 15.432153262117065
February 2024 15.978271049920389
March 2024 20.33623077657847
April 2024 18.397764322310202
May 2024 15.918958031837915
June 2024 11.63011569677085
July 2024 7.10756053368473
August 2024 9.430476343481404
September 2024 20.38728820176466
October 2024 29.45063388398002
November 2024 37.0458378046911
December 2024 41.54272944440163
January 2025 33.33607095926413
February 2025 29.820338691653053
March 2025 28.264434279796326
April 2025 31.13651647612643
May 2025 29.431410883023783
June 2025 19.84514130855594
July 2025 19.13710162357186
August 2025 17.265601892931084
September 2025 27.274047186932847
October 2025 36.42676311030741
November 2025 30.308082638637185
December 2025 45.26764079594684
January 2026 57.21150120127102
February 2026 45.512561596251714
March 2026 30.99482461184589