New Castle County, Delaware - Trend of Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily, Smooth and Seasonally Adjusted (Zillow)

Updated on March 22, 2026.

According to data from Zillow.com, the smoothed and seasonally adjusted Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily in New Castle County, Delaware in February 2026 was $1,860.567. The month over month percentage change (MoM) was 0.67%, and the year over year percentage change (YoY) was 4.12%.

The chart below shows the trend of the smoothed and seasonally adjusted ZORI for New Castle County, DE. The table below shows the trend of the smoothed and seasonally adjusted ZORI, and the MoM and YoY percentage changes for New Castle County, DE.

You can see similar information for other Delaware counties.

Note: Zillow Observed Rent Index (ZORI) is a smoothed measure of the typical observed market rate rent across a given region. ZORI is a repeat-rent index that is weighted to the rental housing stock to ensure representativeness across the entire market, not just homes currently listed for-rent.

Data Source: Zillow.
New Castle County, DE - Trend of Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily, Smooth and Seasonally Adjusted ($)
New Castle County, DE - Trend of Zillow Observed Rent Index (ZORI) for All Homes Plus Multifamily, Smooth and Seasonally Adjusted
1 – 10 of 134
Month ZORI ($) MoM Perc. Change (%) YoY Perc. Change (%)
Jan 2015 1076.33169832748 35777.72 NaN
Feb 2015 1081.3090508562332 0.46 NaN
Mar 2015 1090.452591264062 0.85 NaN
Apr 2015 1100.2053769601127 0.89 NaN
May 2015 1097.6863541886846 -0.23 NaN
Jun 2015 1093.4019845095115 -0.39 NaN
Jul 2015 1088.0909360063729 -0.49 NaN
Aug 2015 1093.5243811284206 0.50 NaN
Sep 2015 1096.753224983822 0.30 NaN
Oct 2015 1098.9952089103592 0.20 NaN
Nov 2015 1099.5805635476736 0.05 10895.81
Dec 2015 1109.9650005609865 0.94 36898.83
Jan 2016 1114.493324236881 0.41 3.55
Feb 2016 1114.297159462793 -0.02 3.05
Mar 2016 1112.4702855840644 -0.16 2.02
Apr 2016 1109.864431921981 -0.23 0.88
May 2016 1112.7202601789497 0.26 1.37
Jun 2016 1116.2987999294194 0.32 2.09
Jul 2016 1121.6018994992155 0.48 3.08
Aug 2016 1123.1492716952823 0.14 2.71
Sep 2016 1120.0682659472945 -0.27 2.13
Oct 2016 1120.293651998582 0.02 1.94
Nov 2016 1120.7116616529556 0.04 1.92
Dec 2016 1120.819877038147 0.01 0.98
Jan 2017 1123.7574735758037 0.26 0.83
Feb 2017 1125.4518291263062 0.15 1.00
Mar 2017 1129.0399195124767 0.32 1.49
Apr 2017 1132.2010829128394 0.28 2.01
May 2017 1135.7116236564957 0.31 2.07
Jun 2017 1134.8986224648731 -0.07 1.67
Jul 2017 1137.2653937458053 0.21 1.40
Aug 2017 1137.3041675092966 0.00 1.26
Sep 2017 1142.8549701247205 0.49 2.03
Oct 2017 1146.011762349695 0.28 2.30
Nov 2017 1150.664331235806 0.41 2.67
Dec 2017 1150.6067884722204 0.00 2.66
Jan 2018 1149.124673483317 -0.13 2.26
Feb 2018 1154.7315242129819 0.49 2.60
Mar 2018 1157.5688633969178 0.25 2.53
Apr 2018 1164.205772888211 0.57 2.83
May 2018 1166.2535329193108 0.18 2.69
Jun 2018 1172.068389688676 0.50 3.28
Jul 2018 1174.3117571299535 0.19 3.26
Aug 2018 1173.9776736910337 -0.03 3.23
Sep 2018 1177.743562527579 0.32 3.05
Oct 2018 1182.5770435565096 0.41 3.19
Nov 2018 1189.757139942277 0.61 3.40
Dec 2018 1190.8849729244384 0.10 3.50
Jan 2019 1195.840529525709 0.42 4.07
Feb 2019 1196.7689921942235 0.08 3.64
Mar 2019 1199.9625701859795 0.27 3.66
Apr 2019 1200.7580528039302 0.07 3.14
May 2019 1204.4695691307336 0.31 3.28
Jun 2019 1207.4539617730388 0.25 3.02
Jul 2019 1211.491759049495 0.33 3.17
Aug 2019 1219.300606406745 0.65 3.86
Sep 2019 1222.4514008228243 0.26 3.80
Oct 2019 1225.4981269825164 0.25 3.63
Nov 2019 1226.183877014948 0.06 3.06
Dec 2019 1233.8444858581076 0.63 3.61
Jan 2020 1239.1028005116743 0.43 3.62
Feb 2020 1244.6547249620755 0.45 4.00
Mar 2020 1249.8156109235408 0.42 4.16
Apr 2020 1247.698244781907 -0.17 3.91
May 2020 1248.2820383756437 0.05 3.64
Jun 2020 1242.8757379815586 -0.43 2.93
Jul 2020 1248.8117137199044 0.48 3.08
Aug 2020 1259.4800325909964 0.85 3.30
Sep 2020 1273.976215646238 1.15 4.22
Oct 2020 1289.3607782126587 1.21 5.21
Nov 2020 1294.6761624137264 0.41 5.59
Dec 2020 1302.4819320468093 0.60 5.56
Jan 2021 1308.8716738191658 0.49 5.63
Feb 2021 1321.0844275505565 0.93 6.14
Mar 2021 1338.2142867916966 1.30 7.07
Apr 2021 1351.3588803391333 0.98 8.31
May 2021 1368.1947087894985 1.25 9.61
Jun 2021 1385.575132878695 1.27 11.48
Jul 2021 1405.0138980067227 1.40 12.51
Aug 2021 1425.2308639871217 1.44 13.16
Sep 2021 1441.8281293070859 1.17 13.18
Oct 2021 1466.4764813201114 1.71 13.74
Nov 2021 1485.191406756041 1.28 14.72
Dec 2021 1504.0672675233925 1.27 15.48
Jan 2022 1514.2266955849266 0.68 15.69
Feb 2022 1531.942838601525 1.17 15.96
Mar 2022 1542.257318849525 0.67 15.25
Apr 2022 1566.0298563312144 1.54 15.89
May 2022 1576.9966846667592 0.70 15.26
Jun 2022 1593.8710933186321 1.07 15.03
Jul 2022 1597.7095589886487 0.24 13.72
Aug 2022 1600.8013257360114 0.19 12.32
Sep 2022 1600.0143412127945 -0.05 10.97
Oct 2022 1591.8000799648414 -0.51 8.55
Nov 2022 1600.645998659304 0.56 7.77
Dec 2022 1603.9226201308256 0.21 6.64
Jan 2023 1620.92300588299 1.06 7.05
Feb 2023 1620.161296849836 -0.05 5.76
Mar 2023 1631.9529680849887 0.73 5.82
Apr 2023 1634.140809390612 0.13 4.35
May 2023 1650.0994105370823 0.98 4.64
Jun 2023 1654.9687000316485 0.30 3.83
Jul 2023 1665.7309382427352 0.65 4.26
Aug 2023 1670.1574740965152 0.27 4.33
Sep 2023 1676.4734690209132 0.38 4.78
Oct 2023 1682.3458970106 0.35 5.69
Nov 2023 1686.0320291539847 0.22 5.33
Dec 2023 1700.6910834350188 0.87 6.03
Jan 2024 1698.9394255960926 -0.10 4.81
Feb 2024 1704.23313805783 0.31 5.19
Mar 2024 1701.535472399392 -0.16 4.26
Apr 2024 1715.1613739666006 0.80 4.96
May 2024 1720.4878439784557 0.31 4.27
Jun 2024 1731.5547341672966 0.64 4.63
Jul 2024 1738.7386792763332 0.42 4.38
Aug 2024 1740.8903886218607 0.12 4.24
Sep 2024 1751.161686077179 0.59 4.46
Oct 2024 1762.9707329917208 0.67 4.79
Nov 2024 1775.7378940103922 0.72 5.32
Dec 2024 1779.7042256020068 0.22 4.65
Jan 2025 1785.0892015901838 0.30 5.07
Feb 2025 1787.01248089993 0.11 4.86
Mar 2025 1797.7987523463257 0.60 5.66
Apr 2025 1797.7489242687802 0.00 4.82
May 2025 1799.9796601134776 0.12 4.62
Jun 2025 1802.0590996207425 0.12 4.07
Jul 2025 1806.973586746857 0.27 3.92
Aug 2025 1819.0681018291064 0.67 4.49
Sep 2025 1824.7337369733987 0.31 4.20
Oct 2025 1830.6810938057345 0.33 3.84
Nov 2025 1833.3911260092752 0.15 3.25
Dec 2025 1838.5468916217058 0.28 3.31
Jan 2026 1848.1341266767001 0.52 3.53
Feb 2026 1860.5669290005924 0.67 4.12