New Castle County, DE

Comprehensive housing, income, and cost of living data for New Castle County, Delaware. Population: 570.6K.

Median Home Price
$343.9K

Based on 24 cities

Median Household Income
$89.9K

Annual household income

Price-to-Income Ratio
3.8x

Moderately affordable

Salary Needed to Buy
$89.4K

30-yr mortgage, 6.5% rate, 20% down

Housing & Finance

Annual Property Tax
$2,444

Average annual amount

Effective Tax Rate
0.71%

Property tax / home value

Monthly Housing Costs
Mortgage (P&I)$1,739
Property Tax$204
Insurance$143
Total Monthly$2,086
Historical Home Prices
2015
$215.8K
2016
$230.0K
+6.6%%
2017
$236.2K
+2.7%%
2018
$243.9K
+3.3%%
2019
$245.1K
+0.5%%
2020
$264.8K
+8.0%%
2021
$287.0K
+8.4%%
2022
$315.6K
+10.0%%
2023
$335.6K
+6.3%%
2024
$345.6K
+3.0%%
2025
$357.7K
+3.5%%
Source: County price history data via Zillow ZHVI

Demographics & Economics

Unemployment Rate
3.6%%

Below national average

Population Density
1,338

People per square mile

Homicide Rate
9.2

Medium (per 100K residents)

Political Lean (2020)
Competitive

D+0

Racial Demographics

White
53.5%
Black
24.6%
Hispanic
11.4%
Asian
5.9%
Two or More Races
4%

Source: Census ACS 2023. Hispanic/Latino ethnicity counted separately from race.

Climate & Environment

Average Temperature
55°F

Annual average

Sunny Days
203

Days per year

Annual Rainfall
46.1"

Inches per year

Natural Disaster Risk
High Risk

Score: 95/100

January Low
17°F

Average winter low

July High
84°F

Average summer high

Frequently Asked Questions

What is the median home price in New Castle County, DE?

The median home price in New Castle County, Delaware is $343.9K. The price-to-income ratio is 3.8x, meaning the median home costs 3.8 times the median household income.

What salary do you need to buy a home in New Castle County?

Based on a 30-year mortgage at 6.5% with 20% down and the 28% debt-to-income rule, you need approximately $89.4K per year to buy the median home in New Castle County, DE. Monthly housing costs break down to $1,739 for mortgage, $204 for property tax, and $143 for insurance.

What is the property tax rate in New Castle County?

The effective property tax rate in New Castle County is 0.71%, which comes to approximately $2,444 per year on the median home.

What is the median household income in New Castle County?

The median household income in New Castle County, Delaware is $89.9K per year, based on Census Bureau American Community Survey data. The unemployment rate is 3.6%%.

Is New Castle County a good place to live?

New Castle County, Delaware has a population of 570.6K. Housing affordability is strong with a price-to-income ratio of 3.8x. The climate averages 55 degrees F with 203 sunny days per year. Compare New Castle County with other areas using our cost of living tools to find the best fit for your budget and lifestyle.