When it comes to audience management in Mailchimp, understanding the difference between segments and groups is crucial. These tools allow you to organize and target your subscribers more effectively, ensuring that your emails reach the right people at the right time.
In this guide, we’ll break down the key differences, use cases, and best practices for using Mailchimp segments and groups to optimize your email marketing strategy.
What Are Mailchimp Groups?
Mailchimp Groups help you categorize your audience based on their preferences, behaviors, or characteristics. Think of them as categories or tags that subscribers can choose from or that you can assign manually.
Key Features of Groups:
- Subscriber Choice: Users can select a group when they sign up, such as “Interested in Newsletters” or “Product Updates Only.”
- Manual or Automated Assignment: You can assign subscribers to groups based on actions, imports, or forms.
- Static Organization: Once added, a subscriber remains in a group unless removed manually or by automation.
When to Use Groups:
- Allow subscribers to self-segment their interests (e.g., “New Products” vs. “Discount Alerts”).
- Organize contacts based on customer types (e.g., “Wholesale” vs. “Retail”).
- Separate different business divisions under one list.
What Are Mailchimp Segments?
Mailchimp Segments are dynamic filters that find subscribers based on specific conditions. Unlike groups, which are static, segments update automatically based on subscriber activity and data.
Key Features of Segments:
- Dynamic Filtering: Subscribers enter and exit segments based on real-time data (e.g., last purchase date, email engagement, or location).
- Multiple Conditions: Create complex targeting by combining multiple conditions (e.g., “Opened Last Email AND Located in New York”).
- No User Selection: Segments are created based on existing data rather than user choices.
When to Use Segments:
- Target subscribers based on recent interactions (e.g., “Opened last 3 emails”).
- Re-engage inactive subscribers (e.g., “Did not open any email in the last 90 days”).
- Send location-based promotions (e.g., “Subscribers in California”).
Best Practices for Using Mailchimp Groups & Segments
1. Combine Groups & Segments for Advanced Targeting
To maximize engagement, use groups and segments together. For example:
- Create a group for “New Customers” and then segment those who have not opened the welcome email.
- Use a segment for “Highly Engaged” subscribers and further divide them into interest-based groups.
2. Keep Your Lists Clean
Avoid clutter by not over-segmenting or creating unnecessary groups. Use Mailchimp’s pre-built audience insights to identify useful segmenting criteria.
3. Use Segments for Automation
Mailchimp’s automation works best with segments. Set up workflows like:
- Re-engagement Campaigns: Segment subscribers who haven’t opened an email in the last 90 days.
- Exclusive Offers: Target users who clicked on a previous promotional email.
- Subscriber Management: Archive a contact once they unsubscribe from your Mailchimp campaigns.
4. Regularly Review Your Groups & Segments
Monitor performance and refine your segmentation strategy based on email engagement metrics and conversion rates.
5. Clearly Name Your Segments & Groups
Clear names help you (and your team) quickly understand who you’re targeting, eliminating the need to guess what “List A” means. Use specific, intuitive labels like “Engaged – Last 30 Days” or “Product A Buyers” to keep your strategy organized and actionable.
Which One Should You Use?
- If you want subscribers to choose their own preferences, use groups.
- If you want to automatically segment your audience based on behavior and data, use segments.
- For the best results, use both together to refine your email targeting strategy.
Need Help Setting Up Your Mailchimp Segments & Groups?
At Chimp Essentials, we specialize in Mailchimp training and automation strategies to help businesses optimize their email marketing. Book a 1-on-1 Mailchimp training session with us today!
To learn more about Mailchimp features, be sure to read our articles on personalization and automations:



