Zip Code: 19403 (Norristown, 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 19403 Zip Code in February 2026 was 78.329.

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 19403 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: 19403 - Market Hotness: Trend of Supply Score
Zip Code: 19403 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 64.61730709153389
October 2017 67.54991602910991
November 2017 71.00378787878789
December 2017 66.54622878895412
January 2018 66.54635385335204
February 2018 56.51479372135019
March 2018 63.62870974531678
April 2018 70.44116628575387
May 2018 57.75791484716157
June 2018 71.36209532673004
July 2018 68.39930264092465
August 2018 63.54752171691365
September 2018 62.53487192493026
October 2018 61.87154348919055
November 2018 74.17905726036065
December 2018 59.7083012079157
January 2019 51.95387149917627
February 2019 54.398736350525375
March 2019 78.82923449948042
April 2019 88.27482172243555
May 2019 85.05865404404199
June 2019 76.56155449472199
July 2019 60.59891226000917
August 2019 33.320322664584964
September 2019 43.59569393411977
October 2019 51.91711851278079
November 2019 60.53248274964197
December 2019 67.66093137580549
January 2020 52.734756522952416
February 2020 63.100628012268146
March 2020 75.38801029790363
April 2020 89.78031764880511
May 2020 71.31979695431471
June 2020 43.491324269511004
July 2020 56.206016549377466
August 2020 65.0079617834395
September 2020 67.36490341511126
October 2020 88.86466543686065
November 2020 61.479613282891975
December 2020 44.99206489155352
January 2021 34.740719750637574
February 2021 80.7997526538184
March 2021 43.82124943000456
April 2021 89.10360884749709
May 2021 94.39953810623557
June 2021 75.31928828730487
July 2021 74.09912183304735
August 2021 51.06602798910491
September 2021 58.28857532999545
October 2021 62.459430219978366
November 2021 61.79949053857351
December 2021 43.221830985915496
January 2022 64.80237806891996
February 2022 80.04481513755758
March 2022 67.7100053504548
April 2022 52.3391057120703
May 2022 54.83380149812734
June 2022 75.16035588661288
July 2022 18.421783828841345
August 2022 32.025976245407165
September 2022 26.98760644127814
October 2022 51.40898705255141
November 2022 69.64122200948972
December 2022 50.785295865523395
January 2023 35.99893257427504
February 2023 59.254289274417715
March 2023 41.73188842063014
April 2023 98.68637110016421
May 2023 82.43611756388243
June 2023 61.099615725687265
July 2023 48.080369776436186
August 2023 53.82035711048672
September 2023 75.17529067187361
October 2023 84.93888366527054
November 2023 95.47606967698292
December 2023 87.17450118363206
January 2024 95.0648892027898
February 2024 88.48927601386157
March 2024 58.67800171936193
April 2024 34.85794131346064
May 2024 88.84768451519537
June 2024 94.50872042825074
July 2024 73.87580299785867
August 2024 69.41119768656117
September 2024 83.11860701179043
October 2024 65.70111409911641
November 2024 83.13659359190557
December 2024 90.54481004854743
January 2025 97.3718791064389
February 2025 91.54130490845009
March 2025 71.80460861310088
April 2025 91.13147276395426
May 2025 97.19778429455849
June 2025 97.59194734804491
July 2025 93.19001803968732
August 2025 78.97071872227151
September 2025 76.34119782214157
October 2025 89.43218806509947
November 2025 79.9710039869518
December 2025 90.54262427491005
January 2026 98.09346663566613
February 2026 73.02690039583165
March 2026 78.32908896738684