Zip Code: 50131 (Johnston, 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 50131 Zip Code in February 2026 was 25.976.

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 50131 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: 50131 - Market Hotness: Trend of Supply Score
Zip Code: 50131 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 67.4601686972821
October 2017 51.464825527150595
November 2017 39.18560606060606
December 2017 46.75140331634299
January 2018 50.063498429249385
February 2018 57.24406167523267
March 2018 49.315933487686806
April 2018 40.69533901239698
May 2018 46.78629912663755
June 2018 48.946353785814
July 2018 41.49932201201007
August 2018 33.18855390904446
September 2018 26.369515597260968
October 2018 21.61890397184515
November 2018 23.22682695349573
December 2018 18.06733487535338
January 2019 16.349258649093905
February 2019 14.786072385138382
March 2019 9.449255282299966
April 2019 11.992594624245749
May 2019 26.62413390958359
June 2019 43.575606804276205
July 2019 35.03046982504423
August 2019 41.523549310434554
September 2019 37.05279443047766
October 2019 39.51717015233669
November 2019 37.74899101679468
December 2019 29.70836378130605
January 2020 35.656481093902606
February 2020 51.39477143274427
March 2020 34.96873850680397
April 2020 37.00460145465341
May 2020 46.26754255001493
June 2020 59.81371591677308
July 2020 40.08970690588508
August 2020 31.186305732484076
September 2020 17.564593691417393
October 2020 48.205601207445916
November 2020 29.768810424548132
December 2020 21.460059954152708
January 2021 18.938320581845662
February 2021 49.53107286406266
March 2021 59.10852713178295
April 2021 39.38300349243306
May 2021 25.346420323325635
June 2021 20.565440454098898
July 2021 19.53164429191481
August 2021 37.362637362637365
September 2021 44.28766499772417
October 2021 33.01478543094122
November 2021 47.11608442503639
December 2021 46.13654147104852
January 2022 19.497963228008366
February 2022 7.817751773932528
March 2022 1.9796682718031033
April 2022 11.139829413285087
May 2022 10.486891385767791
June 2022 4.427891578729567
July 2022 5.853477817912383
August 2022 11.270614372383148
September 2022 21.827839136666384
October 2022 38.41922653803842
November 2022 71.60576042620494
December 2022 40.886323117412346
January 2023 25.297989681551325
February 2023 14.262436499568675
March 2023 12.321894441099738
April 2023 50.23604269293924
May 2023 31.582668417331583
June 2023 72.83476204552173
July 2023 85.00141496085276
August 2023 34.12489803317321
September 2023 7.411023342504659
October 2023 4.350799213608
November 2023 6.612548621681041
December 2023 4.463983767331755
January 2024 3.1959035931844264
February 2024 7.2773250913177865
March 2024 30.346737988346543
April 2024 32.41732650209595
May 2024 12.771345875542691
June 2024 14.341219133137628
July 2024 16.216438807445233
August 2024 29.335689613623583
September 2024 21.386741625673462
October 2024 33.499807913945446
November 2024 59.61214165261383
December 2024 59.605455806426754
January 2025 72.51149802890933
February 2025 64.08493080030946
March 2025 47.829464054543884
April 2025 18.031271015467386
May 2025 14.752362333007493
June 2025 34.00696864111498
July 2025 33.89206253758268
August 2025 24.866903283052352
September 2025 15.745916515426497
October 2025 12.998191681735985
November 2025 34.8169626676332
December 2025 68.3456935164109
January 2026 69.6659691544602
February 2026 55.901122869375556
March 2026 25.97551959254087