Zip Code: 18020 (Bethlehem, PA) - Market Hotness: Trend of Hotness Rank (Realtor)
Updated on March 13, 2026.

According to data from Realtor.com, the hotness rank for the 18020 Zip Code in February 2026 was 1,249.

You can see similar for other Pennsylvania Zip Codes.

The chart below shows the trend of the hotness rank for the 18020 zip code. The table below shows the trend, and the YoY changes.

Note: Hotness rank refers to the rank by hotness score. A rank value of 1 is considered the hottest (highest Hotness score).

Data Source: Realtor.
Zip Code: 18020 - Market Hotness: Trend of Hotness Rank
Zip Code: 18020 - Market Hotness: Trend of Hotness Rank
Items per page:
1 – 10 of 92
Month Hotness Rank YoY Change
September 2017 3141
October 2017 2853
November 2017 1997
December 2017 1861
January 2018 1776
February 2018 1623
March 2018 801
April 2018 1996
May 2018 3113
June 2018 4490
July 2018 3379
August 2018 3692
September 2018 5900 2,759
October 2018 2758 -95
November 2018 4652 2,655
December 2018 5817 3,956
January 2019 3376 1,600
February 2019 6359 4,736
March 2019 6174 5,373
April 2019 4025 2,029
May 2019 3859 746
June 2019 2211 -2,279
July 2019 2597 -782
August 2019 1901 -1,791
September 2019 2938 -2,962
October 2019 2184 -574
November 2019 1950 -2,702
December 2019 684 -5,133
January 2020 2683 -693
February 2020 2350 -4,009
March 2020 2472 -3,702
April 2020 2475 -1,550
May 2020 5907 2,048
June 2020 5291 3,080
July 2020 100 -2,497
August 2020 52 -1,849
September 2020 916 -2,022
October 2020 113 -2,071
November 2020 112 -1,838
December 2020 228 -456
April 2021 75 -2,400
May 2021 776 -5,131
June 2021 242 -5,049
July 2021 557 457
August 2021 189 137
September 2021 140 -776
October 2021 1959 1,846
November 2021 388 276
December 2021 667 439
January 2022 1925
February 2022 442
March 2022 631
April 2022 1896 1,821
May 2022 486 -290
June 2022 1291 1,049
July 2022 1619 1,062
August 2022 710 521
September 2022 131 -9
October 2022 346 -1,613
November 2022 244 -144
December 2022 151 -516
January 2023 250 -1,675
February 2023 672 230
March 2023 1756 1,125
June 2023 125 -1,166
July 2023 135 -1,484
August 2023 124 -586
September 2023 187 56
November 2023 110 -134
December 2023 34 -117
January 2024 171 -79
February 2024 272 -400
March 2024 244 -1,512
June 2024 41 -84
July 2024 128 -7
August 2024 10 -114
September 2024 164 -23
October 2024 142
November 2024 158 48
December 2024 361 327
January 2025 1371 1,200
May 2025 140
June 2025 33 -8
July 2025 63 -65
August 2025 715 705
September 2025 249 85
October 2025 301 159
November 2025 272 114
December 2025 627 266
January 2026 947 -424
February 2026 14
March 2026 1249