Zip Code: 18104 (Allentown, PA) - Market Hotness: Trend of Demand Score (Realtor)
Updated on March 13, 2026.

According to data from Realtor.com, the market hotness: demand score for the 18104 Zip Code in February 2026 was 96.385.

You can see similar for other Pennsylvania Zip Codes.

The chart and table below shows the trend of the market hotness: demand score for the 18104 zip code.

Note: Demand Score is an index representing the metro's unique listing page viewers compared to other metros.

Data Source: Realtor.
Zip Code: 18104 - Market Hotness: Trend of Demand Score
Zip Code: 18104 - Market Hotness: Trend of Demand Score
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Month Demand Score
September 2017 80.09996875976258
October 2017 77.7508241587361
November 2017 80.42929292929293
December 2017 86.2636299116072
January 2018 77.02693670209212
February 2018 77.66356438394222
March 2018 85.95383428050235
April 2018 87.26366091834615
May 2018 81.87090611353712
June 2018 78.78747590241308
July 2018 80.15755149480209
August 2018 72.93689320388349
September 2018 67.00481866599036
October 2018 67.01860231271995
November 2018 69.07940525150269
December 2018 81.49575944487279
January 2019 77.58813838550248
February 2019 69.41830918206168
March 2019 83.03429165223415
April 2019 83.44761382336807
May 2019 80.36633052068328
June 2019 81.82612788274054
July 2019 87.15680492759321
August 2019 88.02367941712204
September 2019 85.34132662927867
October 2019 85.52155951458818
November 2019 85.39903658377816
December 2019 90.59988042250714
January 2020 91.7678247523371
February 2020 89.95910617788813
March 2020 92.4236851783744
April 2020 94.7677007570135
May 2020 85.97342490295611
June 2020 94.5541951476001
July 2020 97.54079344211584
August 2020 95.54936305732484
September 2020 96.98426929660118
October 2020 92.18514170719436
November 2020 95.03993274485077
December 2020 89.75489331687533
January 2021 93.36922640974781
February 2021 93.82665155106667
March 2021 92.64705882352942
April 2021 97.1012805587893
May 2021 94.60739030023095
June 2021 91.16908634428556
July 2021 82.85050974058747
August 2021 75.83356814126044
September 2021 76.99590350477924
October 2021 86.1521817526145
November 2021 92.5491266375546
December 2021 94.56181533646323
January 2022 95.7172740284047
February 2022 93.46445910618698
March 2022 96.28143392188336
April 2022 97.18273455673301
May 2022 93.63295880149812
June 2022 93.0374508586799
July 2022 89.81198481059553
August 2022 87.53311116807656
September 2022 91.0884411095186
October 2022 89.07506135228907
November 2022 92.49979189211687
December 2022 91.79047457339334
January 2023 90.44653976160826
February 2023 89.41819227451356
March 2023 93.46779048765804
April 2023 95.14573070607554
May 2023 97.22250277749723
June 2023 97.7337668735836
July 2023 99.00952740307518
August 2023 95.54971449288499
September 2023 93.3877695926156
October 2023 97.64937174117446
November 2023 95.12092000676475
December 2023 96.60128508623606
January 2024 94.46455372119715
February 2024 94.71761730823265
March 2024 92.10048715254561
April 2024 95.45412203074058
May 2024 94.7087554269175
June 2024 93.80935935071662
July 2024 91.27820787349695
August 2024 86.34428468150053
September 2024 87.60053095963146
October 2024 87.05339992316557
November 2024 83.0982676682508
December 2024 82.40733605609925
January 2025 92.1895532194481
February 2025 90.88799105991575
March 2025 96.26305342193838
April 2025 98.28513786146604
May 2025 95.5522971652004
June 2025 95.23809523809523
July 2025 97.15874924834637
August 2025 88.80508725229222
September 2025 88.16696914700545
October 2025 91.37070524412296
November 2025 83.63899963754984
December 2025 86.36463763859314
January 2026 92.97062698597226
February 2026 84.4494708781
March 2026 96.38544319395383