Zip Code: 50401 (Mason 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 50401 Zip Code in February 2026 was 42.422.

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 50401 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: 50401 - Market Hotness: Trend of Supply Score
Zip Code: 50401 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 67.72258669165886
October 2017 60.40306027243889
November 2017 41.256313131313135
December 2017 34.686108781211686
January 2018 24.95822471759909
February 2018 29.71940547298236
March 2018 23.209148951098012
April 2018 18.740910035321008
May 2018 25.518558951965066
June 2018 31.576148374659308
July 2018 37.99961257829147
August 2018 44.15559529892693
September 2018 49.708343900583316
October 2018 51.15007541478129
November 2018 41.613413476747866
December 2018 42.70110511436649
January 2019 46.92586490939045
February 2019 32.209326282535535
March 2019 23.97644613785937
April 2019 25.802249040043883
May 2019 32.29059477258695
June 2019 28.07772473609897
July 2019 25.83710110739794
August 2019 25.013010668748375
September 2019 32.6178044220976
October 2019 38.00671314226698
November 2019 41.04934253352428
December 2019 45.193649106490405
January 2020 31.54736988977257
February 2020 19.665546954870745
March 2020 16.807649871276205
April 2020 9.492355647914502
May 2020 11.26455658405494
June 2020 27.394276271313757
July 2020 46.299590132240354
August 2020 31.186305732484076
September 2020 25.258782296845713
October 2020 42.26899211806138
November 2020 38.31021437578815
December 2020 31.53764768118498
January 2021 25.843015018418814
February 2021 18.746779346593836
March 2021 10.157318741450068
April 2021 6.589057043073342
May 2021 26.36258660508083
June 2021 30.37877960921297
July 2021 71.0810538003432
August 2021 54.26880811496196
September 2021 47.801547564861174
October 2021 37.20699603317706
November 2021 53.23871906841339
December 2021 59.24295774647887
January 2022 56.35803148739404
February 2022 43.18436449645213
March 2022 15.837346174424827
April 2022 6.073920909795813
May 2022 20.353464419475657
June 2022 72.09807572936064
July 2022 52.38492173751968
August 2022 61.76194138255148
September 2022 93.98870247028074
October 2022 78.48015570787848
November 2022 69.64122200948972
December 2022 72.1283640376942
January 2023 59.233232520903755
February 2023 33.13524393750599
March 2023 13.586193056391732
April 2023 10.119047619047619
May 2023 27.017472982527018
June 2023 79.26889348704306
July 2023 59.4849542495991
August 2023 86.50412399166137
September 2023 92.17182923582142
October 2023 86.88776818531498
November 2023 72.07847116522915
December 2023 70.0879269529929
January 2024 40.452017303787414
February 2024 18.301020886016673
March 2024 16.152450090744104
April 2024 61.229622729389845
May 2024 44.63639652677279
June 2024 32.507338974270425
July 2024 61.8349530555098
August 2024 56.213350469917266
September 2024 69.8368079956274
October 2024 55.666538609296964
November 2024 82.23210179365323
December 2024 63.71272250905447
January 2025 37.82851511169514
February 2025 27.774434797558666
March 2025 22.188659704841633
April 2025 18.661735036987224
May 2025 15.412186379928317
June 2025 50.03484320557491
July 2025 61.019242333132894
August 2025 63.13960366755398
September 2025 65.64065335753176
October 2025 40.839059674502714
November 2025 20.50018122508155
December 2025 32.84382113224172
January 2026 51.00364256374487
February 2026 43.759592858873894
March 2026 42.42175306005093