Zip Code: 21758 (Knoxville, MD) - Trend of Active Listing Count of Houses (Realtor)
Updated on March 13, 2026.

According to data from Realtor.com, the active listing count of houses in the 21758 Zip Code in February 2026 was 10. The month over month percentage change (MoM) was -0.1667%, and the year over year percentage change (YoY) was 0.8182%.

You can see similar for other Maryland Zip Codes, and for Maryland.

The chart below shows the trend of active listing count in the 21758 zip code. The table below shows the trend, and the MoM and YoY percentage changes.

Data Source: Realtor.
Zip Code: 21758 - Trend of Active Listing Count of Houses
Zip Code: 21758 Trend of Active Listing Count of Houses
Items per page:
1 – 10 of 116
Month Active Listing Count MoM Perc. Change (%) YoY Perc. Change (%)
Aug 2016 27
Sep 2016 23
Oct 2016 27
Nov 2016 31
Dec 2016 28
Jan 2017 22
Feb 2017 19
Mar 2017 14
Apr 2017 18
May 2017 16
Jun 2017 18
Jul 2017 18
Aug 2017 19 0.0857 -0.2963
Sep 2017 23 0.1842 -0.0217
Oct 2017 27 0.2 0.0
Nov 2017 26 -0.0556 -0.1774
Dec 2017 23 -0.1176 -0.1964
Jan 2018 16 -0.2889 -0.2727
Feb 2018 15 -0.0625 -0.1892
Mar 2018 15 -0.0333 0.0357
Apr 2018 13 -0.1034 -0.2571
May 2018 16 0.2308 0.0
Jun 2018 12 -0.25 -0.3333
Jul 2018 15 0.25 -0.1429
Aug 2018 18 0.2 -0.0526
Sep 2018 15 -0.1944 -0.3556
Oct 2018 15 0.0345 -0.4444
Nov 2018 19 0.2667 -0.2549
Dec 2018 20 0.0263 -0.1333
Jan 2019 13 -0.3333 -0.1875
Feb 2019 6 -0.5769 -0.6333
Mar 2019 5 -0.0909 -0.6552
Apr 2019 6 0.2 -0.5385
May 2019 9 0.4167 -0.4688
Jun 2019 14 0.5882 0.125
Jul 2019 16 0.1852 0.0667
Aug 2019 15 -0.0938 -0.1944
Sep 2019 15 0.0345 0.0345
Oct 2019 15 0.0 0.0
Nov 2019 16 0.0667 -0.1579
Dec 2019 17 0.0625 -0.1282
Jan 2020 16 -0.0588 0.2308
Feb 2020 13 -0.2188 1.2727
Mar 2020 9 -0.28 0.8
Apr 2020 10 0.0556 0.5833
May 2020 7 -0.2632 -0.1765
Jun 2020 9 0.2857 -0.3333
Jul 2020 8 -0.1111 -0.5
Aug 2020 5 -0.4375 -0.6897
Sep 2020 5 0.1111 -0.6667
Oct 2020 4 -0.2 -0.7333
Nov 2020 7 0.75 -0.5625
Dec 2020 6 -0.2143 -0.6765
Jan 2021 5 -0.0909 -0.6875
Feb 2021 6 0.2 -0.52
Mar 2021 4 -0.3333 -0.5556
Apr 2021 2 -0.5 -0.7895
May 2021 5 1.5 -0.2857
Jun 2021 5 0.0 -0.4444
Jul 2021 6 0.2 -0.25
Aug 2021 5 -0.1667 0.1111
Sep 2021 7 0.3 0.3
Oct 2021 7 0.0769 0.75
Nov 2021 6 -0.1429 -0.1429
Dec 2021 3 -0.5833 -0.5455
Jan 2022 3 0.0 -0.5
Feb 2022 2 -0.2 -0.6667
Mar 2022 2 0.0 -0.5
Apr 2022 3 0.25 0.25
May 2022 3 0.2 -0.4
Jun 2022 5 0.6667 0.0
Jul 2022 7 0.4 0.1667
Aug 2022 5 -0.2857 0.0
Sep 2022 7 0.3 0.0
Oct 2022 5 -0.3077 -0.3571
Nov 2022 6 0.3333 0.0
Dec 2022 6 -0.0833 1.2
Jan 2023 2 -0.6364 -0.2
Feb 2023 4 0.75 0.75
Mar 2023 4 0.1429 1.0
Apr 2023 2 -0.625 -0.4
May 2023 4 1.6667 0.3333
Jun 2023 5 0.125 -0.1
Jul 2023 4 -0.2222 -0.5
Aug 2023 2 -0.4286 -0.6
Sep 2023 4 1.0 -0.3846
Oct 2023 4 0.0 -0.1111
Nov 2023 4 -0.125 -0.4167
Dec 2023 3 -0.1429 -0.4545
Jan 2024 3 0.0 0.5
Feb 2024 2 -0.3333 -0.4286
Mar 2024 5 1.25 0.125
Apr 2024 3 -0.3333 1.0
May 2024 6 0.8333 0.375
Jun 2024 4 -0.2727 -0.1111
Jul 2024 6 0.5 0.7143
Aug 2024 3 -0.5 0.5
Sep 2024 5 0.6667 0.25
Oct 2024 8 0.6 1.0
Nov 2024 12 0.4375 2.2857
Dec 2024 6 -0.4783 1.0
Jan 2025 6 0.0 1.0
Feb 2025 5 -0.1667 1.5
Mar 2025 6 0.1 0.2222
Apr 2025 5 -0.0909 0.6667
May 2025 6 0.1 0.0
Jun 2025 5 -0.0909 0.25
Jul 2025 11 1.1 0.75
Aug 2025 11 0.0 2.5
Sep 2025 10 -0.0476 1.0
Oct 2025 9 -0.1 0.125
Nov 2025 12 0.2778 0.0
Dec 2025 11 -0.0435 0.8333
Jan 2026 12 0.0909 1.0
Feb 2026 12 0.0 1.4
Mar 2026 10 -0.1667 0.8182