Zip Code: 57730 (Custer, SD) - 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 57730 Zip Code in February 2026 was 9.365.

You can see similar for other South Dakota Zip Codes.

The chart and table below shows the trend of the market hotness: supply score for the 57730 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: 57730 - Market Hotness: Trend of Supply Score
Zip Code: 57730 - Market Hotness: Trend of Supply Score
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Month Supply Score
September 2017 37.55076538581693
October 2017 32.03955961933197
November 2017 72.85353535353535
December 2017 59.97806310084521
January 2018 48.59300848873738
February 2018 26.788442839283235
March 2018 25.566547393531184
April 2018 10.970288801163514
May 2018 5.246997816593887
June 2018 20.667420062487533
July 2018 43.55911409569316
August 2018 31.112672457843637
September 2018 16.38346436723307
October 2018 10.809451985922575
November 2018 11.844353052831384
December 2018 19.94988434849653
January 2019 35.95387149917627
February 2019 28.32223061602912
March 2019 17.22895739521995
April 2019 14.714755896873285
May 2019 16.87590039102696
June 2019 20.917098097223157
July 2019 35.40397090623157
August 2019 23.74447046578194
September 2019 16.109069812415395
October 2019 9.166021172217919
November 2019 6.190600182267934
December 2019 8.795588919152328
January 2020 22.38035440212083
February 2020 18.70892361618227
March 2020 12.791467451268849
April 2020 22.584236306961554
May 2020 27.627650044789487
June 2020 25.997145647111847
July 2020 32.077952207872556
August 2020 24.43471337579618
September 2020 10.579509332463934
October 2020 30.521549555592824
November 2020 12.105926860025221
December 2020 3.077058719802504
January 2021 1.879663738547275
April 2021 67.53201396973225
July 2021 62.39022913091753
August 2021 57.05832628909552
September 2021 25.780609922621757
October 2021 59.70068517850703
November 2021 58.669941775836975
December 2021 41.12871674491393
April 2022 41.93590074954769
May 2022 32.11610486891386
June 2022 15.280364163045727
July 2022 16.58794109474854
August 2022 7.100743399128429
September 2022 6.770086839220976
October 2022 20.123550816620124
November 2022 63.173229001914585
December 2022 46.30274216826556
January 2023 27.14819427148194
February 2023 11.664909422026263
March 2023 5.167569737106161
May 2023 18.25068174931825
June 2023 74.33244654645777
July 2023 47.75021224412791
August 2023 48.844375963020035
September 2023 35.413153456998316
October 2023 16.146679203350715
November 2023 21.740233384069
December 2023 27.908353060534324
January 2024 18.50445837379712
February 2024 14.994848740282851
March 2024 11.223612570446079
April 2024 3.0367955286446207
May 2024 5.065123010130246
June 2024 39.00017268174754
July 2024 33.95651457749958
August 2024 35.40846654349747
September 2024 20.66838447723901
October 2024 25.777948520937382
November 2024 23.179518626398895
December 2024 14.15581413269631
January 2025 6.923455978975032
February 2025 4.5388120003438495
March 2025 8.060757745749548
April 2025 13.903833221250842
May 2025 33.04822417725644
June 2025 25.799457994579946
July 2025 41.70174383644017
August 2025 30.93019816622301
September 2025 34.83847549909256
October 2025 26.871609403254972
November 2025 21.101848495831824
December 2025 9.721712313679419
January 2026 7.052623420909867
February 2026 5.541643105258906
March 2026 9.364988088392344