Zip Code: 01821 (Billerica, MA) - 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 01821 Zip Code in January 2026 was 98.013.

You can see similar for other Massachusetts Zip Codes.

The chart and table below shows the trend of the market hotness: demand score for the 01821 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: 01821 - Market Hotness: Trend of Demand Score
Zip Code: 01821 - Market Hotness: Trend of Demand Score
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Month Demand Score
September 2017 98.4817244611059
October 2017 98.3143621322386
November 2017 98.75
December 2017 98.99993547970837
January 2018 98.75008355056481
February 2018 98.7359355466037
March 2018 98.52662597347927
April 2018 99.15506614031443
May 2018 99.0242903930131
June 2018 99.37512464269095
July 2018 97.61089946406663
August 2018 96.58277976494635
September 2018 96.52548820694903
October 2018 96.91427853192559
November 2018 94.72951597595699
December 2018 94.1467489077358
January 2019 93.51565074135091
February 2019 97.06064143946158
March 2019 95.99584343609283
April 2019 96.509873834339
May 2019 97.3794333539137
June 2019 97.2702212062126
July 2019 97.84417796998886
August 2019 97.89877699713765
September 2019 96.91226713079352
October 2019 96.62406403304932
November 2019 98.06665798724124
December 2019 99.36889656546867
March 2020 99.77933063626332
April 2020 97.89223690069764
May 2020 96.31979695431471
June 2020 96.29685270036806
July 2020 97.0690588508236
August 2020 98.5907643312102
September 2020 98.54103838943679
October 2020 95.79909441556264
November 2020 97.54518705338377
December 2020 97.90160465526363
January 2021 99.14045527533769
February 2021 99.77326600020612
July 2021 91.25870596547895
August 2021 85.84577815347046
September 2021 91.71597633136095
October 2021 93.73422286332492
November 2021 93.18595342066958
December 2021 92.947965571205
May 2022 98.46676029962546
June 2022 97.8688185392096
July 2022 80.25377419653607
August 2022 88.71229599248056
September 2022 89.46969058258158
October 2022 88.18651095878819
November 2022 91.86714392741196
December 2022 91.58672213260888
January 2023 97.46486390322006
July 2023 98.08508631261202
November 2023 98.20733975985118
December 2023 97.66655393980386
July 2024 98.25399439960468
September 2024 99.2504099320684
October 2024 97.39531310026892
November 2024 94.97930400122642
December 2024 95.6769669415119
January 2025 98.52989487516426
February 2025 99.51861084844838
April 2025 98.62138533960996
May 2025 99.38905180840665
June 2025 97.78552071234998
July 2025 92.97203848466626
August 2025 94.59479443951494
September 2025 95.20145190562613
October 2025 94.80650994575045
November 2025 93.14969191736137
December 2025 97.25383655187606
January 2026 98.38022165387895
February 2026 98.01276355117537