Zip Code: 18603 (Berwick, 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 18603 Zip Code in February 2026 was 54.917.

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 18603 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: 18603 - Market Hotness: Trend of Supply Score
Zip Code: 18603 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 44.56107466416745
October 2017 40.33712757355228
November 2017 30.681818181818183
December 2017 21.220723917672107
January 2018 15.740926408662522
February 2018 11.758577580219475
March 2018 13.695362379849858
April 2018 17.812867927141767
May 2018 18.763646288209607
June 2018 26.437545702320016
July 2018 31.13579130883967
August 2018 33.18855390904446
September 2018 31.048693887902612
October 2018 19.55128205128205
November 2018 29.870294210692816
December 2018 43.30506296581856
January 2019 55.57825370675453
February 2019 51.383833527917034
March 2019 42.9303775545549
April 2019 36.47147558968733
May 2019 29.930712766687247
June 2019 12.331069723660324
July 2019 28.713714697595176
August 2019 63.36846213895394
September 2019 66.39592599755045
October 2019 49.30286599535244
November 2019 44.99414138784012
December 2019 49.06663123629841
January 2020 35.01465048137296
February 2020 27.530305243172194
March 2020 23.398308201544683
April 2020 13.054772153777646
May 2020 15.079128097939684
June 2020 13.295275294824608
July 2020 22.88299435465161
August 2020 43.861464968152866
September 2020 35.98500285271823
October 2020 39.58577897031695
November 2020 61.87473728457336
December 2020 91.13912890142832
January 2021 69.49088504770002
February 2021 38.80243223745234
March 2021 23.31281349749202
April 2021 52.16530849825378
May 2021 43.82217090069284
June 2021 39.76640104792054
July 2021 52.599172302412434
August 2021 25.509533201840895
September 2021 34.98406918525262
October 2021 44.33826181031374
November 2021 43.595342066957784
December 2021 19.29773082942097
January 2022 8.059011339865684
July 2022 88.20968787626192
August 2022 49.95300350337521
September 2022 87.16802967709299
October 2022 78.48015570787848
November 2022 86.87255473237326
December 2022 51.515408778334326
January 2023 35.99893257427504
February 2023 64.02760471580562
March 2023 30.162552679108973
April 2023 33.702791461412154
May 2023 78.5981214018786
June 2023 67.30712385456695
July 2023 40.76030563154419
August 2023 55.65122813378047
September 2023 78.18407739415993
October 2023 62.70621420634242
November 2023 74.15863351936412
December 2023 71.05174163003043
January 2024 70.42464906859716
February 2024 41.228809590709
March 2024 13.859967523163627
July 2024 98.04809751276561
August 2024 92.97132299783115
September 2024 47.09143437182791
October 2024 63.534383403764885
November 2024 51.73233174919516
December 2024 82.07598058102798
January 2025 89.5203679369251
February 2025 75.28582480873376
March 2025 47.41520669716061
April 2025 16.854404841963685
July 2025 98.91761876127481
August 2025 97.07187222715173
September 2025 62.14156079854809
October 2025 43.79023508137433
November 2025 60.89887640449439
December 2025 67.00932520743079
January 2026 87.90978842129738
February 2026 86.10550125212053
March 2026 54.91661874640597