Zip Code: 19720 (New Castle, DE) - 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 19720 Zip Code in February 2026 was 94.792.

You can see similar for other Delaware Zip Codes.

The chart and table below shows the trend of the market hotness: supply score for the 19720 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: 19720 - Market Hotness: Trend of Supply Score
Zip Code: 19720 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 43.54889097157139
October 2017 55.09734403184674
November 2017 56.60353535353535
December 2017 58.365055810052255
January 2018 57.950671746541005
February 2018 56.51479372135019
March 2018 62.49912299165088
April 2018 41.99044255142323
May 2018 63.33242358078602
June 2018 83.42750781094198
July 2018 60.36030218893266
August 2018 65.45094532447624
September 2018 66.16789246766422
October 2018 68.71543489190547
November 2018 60.98070230939576
December 2018 89.21228475970187
January 2019 95.99341021416804
February 2019 87.72062358354509
March 2019 79.21718046414964
April 2019 81.41113549094898
May 2019 69.33525416752418
June 2019 76.884286962953
July 2019 64.96297752440863
August 2019 73.92661982825918
September 2019 80.58402630052214
October 2019 81.35812032016526
November 2019 83.08813956516079
December 2019 79.39281206404038
January 2020 93.42123622157109
February 2020 88.28684095224186
March 2020 85.92865023905848
April 2020 94.70832714858246
May 2020 87.35443415945058
June 2020 86.89251107939609
July 2020 98.18266182043152
August 2020 99.07643312101911
September 2020 98.87521395386747
October 2020 95.95841019620997
November 2020 88.83564522908786
December 2020 80.42673249867748
January 2021 85.21771984509304
February 2021 93.19798000618366
March 2021 80.14135886912904
April 2021 75.9604190919674
May 2021 82.02078521939954
June 2021 83.97554852090383
July 2021 81.1749268194206
August 2021 72.53686484455714
September 2021 82.80382339553937
October 2021 76.63180670753697
November 2021 51.05531295487628
December 2021 39.95500782472614
January 2022 74.93119013541781
February 2022 66.57537657164198
March 2022 40.422685928303906
April 2022 48.99198759369346
May 2022 41.175093632958806
June 2022 29.019242706393545
July 2022 54.0150041678244
August 2022 57.30154661197984
September 2022 68.65357052525081
October 2022 91.52069053059152
November 2022 89.06184966286523
December 2022 82.75744969861618
January 2023 94.0935776552215
February 2023 95.64842327230903
March 2023 81.6174994982942
April 2023 53.14039408866995
May 2023 78.13352186647813
June 2023 84.38269780273919
July 2023 40.44901424393925
August 2023 53.82035711048672
September 2023 50.01331321558534
October 2023 76.28002393366955
November 2023 97.44630475224082
December 2023 96.61819411565776
January 2024 97.1130926105765
February 2024 92.67584527488995
March 2024 94.54580189129813
April 2024 98.02515137401025
May 2024 95.35998552821997
June 2024 89.9499222932136
July 2024 93.46071487399111
August 2024 82.36002891798539
September 2024 92.89451081439837
October 2024 95.19784863618901
November 2024 88.57120956615054
December 2024 79.22478230715882
January 2025 96.46024967148489
February 2025 97.08587638614287
March 2025 95.72797100198498
April 2025 78.8584398117014
May 2025 77.96513522319974
June 2025 93.55013550135502
July 2025 87.9810583283223
August 2025 75.85773439810707
September 2025 96.57350272232304
October 2025 88.35443037974684
November 2025 91.59840521928236
December 2025 90.2415742712387
January 2026 83.6937146400062
February 2026 96.09823087486873
March 2026 94.79175223856075