Zip Code: 51104 (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 51104 Zip Code in February 2026 was 64.61.

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 51104 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: 51104 - Market Hotness: Trend of Supply Score
Zip Code: 51104 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 77.34457981880662
October 2017 74.17428624743422
November 2017 73.31439393939394
December 2017 69.40447770823924
January 2018 71.6863845999599
February 2018 70.85011807195444
March 2018 68.41366729811268
April 2018 88.35099383613823
May 2018 83.71997816593887
June 2018 85.23565778102771
July 2018 84.56124491509007
August 2018 87.47445068983137
September 2018 86.41262997717473
October 2018 76.3700351935646
November 2018 86.15627965833596
December 2018 91.3775379079928
January 2019 73.17957166392091
February 2019 49.73559508275531
March 2019 43.0827848978178
April 2019 52.48902907295666
May 2019 68.34053646154902
June 2019 82.03455926847307
July 2019 60.127121420614635
August 2019 62.98464741087692
September 2019 70.14117192032488
October 2019 73.91556932610379
November 2019 71.40346309074339
December 2019 77.85159104497443
January 2020 85.96344356076462
February 2020 60.3329925514824
March 2020 38.175799926443545
April 2020 50.638266290633815
May 2020 72.999402806808
June 2020 67.52046871479006
July 2020 79.6226123269662
August 2020 66.86305732484077
September 2020 29.594914010921837
October 2020 18.346469897702498
November 2020 47.4989491382934
December 2020 41.791571151472404
January 2021 23.623311608576554
February 2021 65.50551375863135
March 2021 40.17327861377109
April 2021 36.71711292200233
May 2021 47.09006928406467
June 2021 83.97554852090383
July 2021 93.62067225194308
August 2021 60.97492251338406
September 2021 49.92262175694128
October 2021 77.1547060944825
November 2021 84.71615720524017
December 2021 67.30242566510172
January 2022 70.71452163382142
July 2022 90.33990923404649
August 2022 93.75373835768606
September 2022 32.9651800016862
October 2022 58.97435897435898
November 2022 89.06184966286523
December 2022 98.33602173359368
January 2023 96.95783668386409
February 2023 74.18767372759513
March 2023 61.29841460967289
April 2023 88.44417077175699
May 2023 85.21361478638522
June 2023 96.72874174795545
July 2023 88.17092727101216
August 2023 67.42499773407052
September 2023 40.28579036123192
October 2023 65.27053594324302
November 2023 52.934212751564345
December 2023 73.06391613121407
January 2024 80.44495453341574
February 2024 46.726608597920766
March 2024 30.21300983857102
April 2024 73.54448067070331
May 2024 62.34623733719248
June 2024 59.72198238646175
July 2024 92.0441442925383
August 2024 66.96120170294803
September 2024 47.09143437182791
October 2024 70.83365347675759
November 2024 75.0651540702131
December 2024 61.678354010942435
January 2025 44.73554533508541
February 2025 35.76033697240609
March 2025 65.84102873910417
April 2025 55.49764626765299
May 2025 51.621049201694355
June 2025 46.60472319008904
July 2025 58.71918220084186
August 2025 73.37326234841763
September 2025 63.93466424682396
October 2025 61.12839059674503
November 2025 83.80572671257703
December 2025 67.00932520743079
January 2026 50.461133069828726
February 2026 65.02948541885452
March 2026 64.61020290807525