Zip Code: 51103 (Sioux City, IA) - 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 51103 Zip Code in February 2026 was 40.738.

You can see similar for other Iowa Zip Codes.

The chart and table below shows the trend of the market hotness: supply score for the 51103 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: 51103 - Market Hotness: Trend of Supply Score
Zip Code: 51103 - Market Hotness: Trend of Supply Score
Items per page:
0 of 0
Month Supply Score
September 2017 71.32146204311152
October 2017 67.54991602910991
November 2017 91.5530303030303
December 2017 95.57390799406413
January 2018 86.65864581244568
February 2018 85.36602305875816
March 2018 73.00919104749877
April 2018 86.33561881016692
May 2018 94.35725982532752
June 2018 95.74552948215117
July 2018 95.02808807386842
August 2018 86.70158405723045
September 2018 92.96221151407558
October 2018 89.3413775766717
November 2018 81.955077507118
December 2018 96.92881007453097
January 2019 90.14168039538714
February 2019 67.9142916008516
March 2019 39.09941115344648
April 2019 35.600658255622605
May 2019 52.47307402071757
July 2019 93.6897975230981
September 2019 96.15806098111261
October 2019 96.8822618125484
November 2019 97.55891160005208
December 2019 94.52600810469673
January 2020 95.0188363331938
February 2020 93.45698846210018
March 2020 65.57557925707981
April 2020 49.18361288407303
May 2020 52.082711257091674
June 2020 78.81769698790656
July 2020 77.08607222952595
August 2020 40.167197452229296
September 2020 11.73689787268726
October 2020 67.49958074794566
November 2020 43.53930222782682
December 2020 80.77058719802504
August 2021 85.96787827557058
September 2021 61.17432862994994
October 2021 93.1301839163361
November 2021 61.79949053857351
December 2021 65.39514866979655
January 2022 74.20455796542993
July 2022 79.97591923682505
August 2022 86.45646415449029
September 2022 78.88036421886856
October 2022 98.17212490479818
October 2023 98.99136678348577
November 2023 86.13225097243362
December 2023 68.07575245180927
January 2024 78.21135340337247
February 2024 86.19462395804065
March 2024 66.07125799980896
April 2024 65.99906846762926
May 2024 57.00976845151954
June 2024 30.150233120359175
July 2024 15.985834294185471
August 2024 47.68254478271347
September 2024 74.8887327242914
October 2024 50.1728774490972
November 2024 37.72803924574582
December 2024 54.789242505972105
January 2025 70.69645203679369
February 2025 57.80967936044013
March 2025 35.58298092690084
April 2025 20.973436449226632
May 2025 85.94819159335289
June 2025 90.05032907471931
July 2025 87.19182200841851
August 2025 71.11801242236024
September 2025 57.401088929219604
October 2025 80.92585895117541
November 2025 55.98405219282348
December 2025 77.99397899992657
January 2026 84.49972874525304
February 2026 73.02690039583165
March 2026 40.73769818450669