Zip Code: 20878 (Gaithersburg, MD) - 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 20878 Zip Code in February 2026 was 90.117.

You can see similar for other Maryland Zip Codes.

The chart and table below shows the trend of the market hotness: supply score for the 20878 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: 20878 - Market Hotness: Trend of Supply Score
Zip Code: 20878 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 79.78131833801937
October 2017 86.95652173913044
November 2017 83.13131313131314
December 2017 64.19123814439641
January 2018 48.24543813916182
February 2018 48.68731768301153
March 2018 86.35375008770083
April 2018 92.14627051734885
May 2018 91.61435589519651
June 2018 85.23565778102771
July 2018 84.56124491509007
August 2018 78.78129790495657
September 2018 80.34491503931017
October 2018 87.78908999497234
November 2018 84.73900664346725
December 2018 65.67720380364945
January 2019 53.80560131795716
February 2019 70.20809010370166
March 2019 90.59231035677173
April 2019 94.94651673066375
May 2019 95.9250874665569
June 2019 83.01620385934243
July 2019 79.57538824454492
August 2019 73.15248503773094
September 2019 80.58402630052214
October 2019 85.9153111283243
November 2019 85.07355813045177
December 2019 72.29123762705109
January 2020 71.0757639179573
February 2020 78.83014458887104
March 2020 79.36741449062156
April 2020 95.48018405818614
May 2020 93.49805912212601
June 2020 89.70179523773754
July 2020 62.69430051813472
August 2020 86.44904458598725
September 2020 89.40418942049067
October 2020 88.44541338252557
November 2020 80.26061370323664
December 2020 90.8922588608711
January 2021 88.36308680457165
February 2021 87.40595692054004
March 2021 76.85818513451892
April 2021 77.9511059371362
May 2021 81.15473441108546
June 2021 65.06931557690208
July 2021 63.80337135358837
August 2021 67.97219874142951
September 2021 78.17933545744197
October 2021 71.37576631806708
November 2021 64.99272197962155
December 2021 74.55007824726134
January 2022 73.1586480237807
February 2022 58.52110046060003
March 2022 67.7100053504548
April 2022 70.93564228482812
May 2022 88.62359550561798
June 2022 63.3147113594041
July 2022 60.637214040937295
August 2022 75.32256686319747
September 2022 73.4676671444229
October 2022 91.03833460269104
November 2022 79.9883459585449
December 2022 54.333984209185836
January 2023 64.9973314356876
February 2023 36.21201955334036
March 2023 72.67710214730081
April 2023 90.36330049261085
May 2023 90.37470962529038
June 2023 90.11725293132329
July 2023 68.87086123950571
August 2023 72.31034170216623
September 2023 81.03310552942222
October 2023 89.16146679203351
November 2023 92.66869609335363
December 2023 85.37368955021982
January 2024 73.39101262470203
February 2024 90.8026599231994
March 2024 91.90944693858057
April 2024 97.06567303213787
May 2024 89.08285094066571
June 2024 91.52996028319806
July 2024 88.37917970680283
August 2024 94.01558358101052
September 2024 94.14382759428437
October 2024 96.82673837879369
November 2024 95.11727732638356
December 2024 93.22647761424058
January 2025 97.8235873850197
February 2025 99.44124473480616
March 2025 99.430396133598
April 2025 99.04169468728985
May 2025 98.62333007494298
June 2025 93.83662408052652
July 2025 96.05381840048106
August 2025 94.62437148772553
September 2025 86.26497277676951
October 2025 90.4014466546112
November 2025 87.85791953606379
December 2025 89.20625596592996
January 2026 85.87150275129815
February 2026 95.26617658938525
March 2026 90.1174730961965