Delaware · 11 places of 5,000+

Fastest-growing cities in Delaware, 2020 to 2024

Short answer

Milford is the fastest-growing city of 5,000+ in Delaware, +24.5% from 2020 to 2024. Millsboro (+13.3%) is second.
Fastest
+24.5%
Growing
10
Shrinking
1

The 11 fastest-growing

Milford grew fastest, from 11,310 in July 2020 to 14,079 in July 2024, +24.5%. It is the 5th largest of the 11 places ranked. 10 places grew and 1 shrank or held flat; the median change was +3.3%.

By raw numbers the biggest gain was in Milford, +2,769 people. At the other end, Newark changed by -0.3%. Growth is measured between the July 2020 and July 2024 estimates for places with 5,000 or more residents in 2024, so fast growth from a small base can outrank larger absolute gains.

  1. 01Milford+24.5%
  2. 02Millsboro+13.3%
  3. 03Georgetown+12.6%
  4. 04Seaford+12.2%
  5. 05Middletown+9.8%
  6. 06Wilmington+3.3%
  7. 07New Castle+3.1%
  8. 08Smyrna+2.8%
  9. 09Dover+2.0%
  10. 10Elsmere+0.2%
  11. 11Newark-0.3%
Change in population, July 2020 to July 2024, places of 5,000+ in 2024.

Dots: the 11 places in the chart. Orange pin: Milford, ranked first.

All 11 places of 5,000+ ranked

#Place2024Since 2020County
1Milford14,079+24.5%Sussex County +1
2Millsboro7,864+13.3%Sussex County
3Georgetown8,098+12.6%Sussex County
4Seaford8,952+12.2%Sussex County
5Middletown25,686+9.8%New Castle County
6Wilmington73,176+3.3%New Castle County
7New Castle5,715+3.1%New Castle County
8Smyrna13,326+2.8%Kent County +1
9Dover40,191+2.0%Kent County
10Elsmere6,234+0.2%New Castle County
11Newark30,506-0.3%New Castle County
Census Vintage 2024 subcounty estimates. Counties from the SUMLEV 157 county parts.

Questions people ask

What is the fastest-growing city in Delaware?

Milford, up 24.5% from July 2020 to July 2024 among places of 5,000+, to 14,079 residents.

Which Delaware city added the most people?

Milford, which gained 2,769 residents from July 2020 to July 2024.

How many Delaware cities are shrinking?

1 of 11 places of 5,000+ had the same or fewer residents in July 2024 than in July 2020.

Why use places of 5,000 or more?

Small towns can swing by double-digit percentages from a few new homes, and Census estimates for them carry more uncertainty. The 5,000 floor keeps the ranking to places where a percentage means something.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 subcounty population estimates
  2. 02Census 2024 Gazetteer, places

How every number is computed: methodology. Spotted a wrong figure? Report an error.