Sussex, WI
2025 and 2035 projected population

Ever wonder how many people live in Sussex, WI and how fast that number changes?

Aterio data team has developed an AI enhanced model that helps organizations understand the forecasted growth of population in Sussex, WI for years 2025 through 2035.

Population Growth Rate (Year over Year)

11,50012,00012,50013,000-1.00%0.00%1.00%2.00%3.00%2020202120222023202420252026202720282029203020312032203320342035

2020

Population

11,606

Growth

0.00%

2021

Population

11,809

Growth

1.75%

2022

Population

11,987

Growth

1.51%

2023

Population

12,287

Growth

2.50%

2024

Population

12,607

Growth

2.60%

2025

Population

12,549

Growth

-0.45%

2026

Population

12,588

Growth

0.31%

2027

Population

12,626

Growth

0.30%

2028

Population

12,664

Growth

0.31%

2029

Population

12,705

Growth

0.32%

2030

Population

12,747

Growth

0.33%

2031

Population

12,759

Growth

0.09%

2032

Population

12,772

Growth

0.10%

2033

Population

12,784

Growth

0.10%

2034

Population

12,799

Growth

0.12%

2035

Population

12,817

Growth

0.14%

Last update at Tue Jun 30 2026

Zip code level csv report on population forecast and economic development in Sussex, WI

Our team has created a comprehensive report on population forecast and economic development by zip code using our proprietary AI models.

Top 25 most populated zip codes in Sussex, WI

Our model provides a detailed 2025 through 2035 projected population growth for every zip code in Sussex, WI.

U.S. Zip code

2020 census

2025 population

2030 population

Open
5308919,22320,18320,502View full zip code report, 53089

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