As of May 01, 2026, the average annual salary for Development Assistant in Middletown, DE is $44,111, equivalent to $21 per hour, $848 weekly, or $3,676 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Development Assistant in cities like San Jose, Santa Clara, and San Francisco.

Annually Salaries for Development Assistant in Middletown, DE vary widely, spanning from $32,871 to $58,636. Most professionals fall between the 25th percentile ($38,227) and 75th percentile ($51,714), while top earners (90th percentile) make $58,636 per year. This $13,487 pay gap underscores opportunities for salary growth through certifications, specialized skills like Initiative or Microsoft Office, or targeting high-paying regions like District of Columbia or California.

Location and experience significantly influence earnings. For example, Middletown Development Assistant often earn 0.0% higher than national averages. However, Middletown currently ranks 289 statewide for Development Assistant job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.

Based on HR-reported data: a national average with a geographic differential
Development Assistant Salaries by Percentile
Percentile Salary Location Last Updated
10th Percentile Development Assistant Salary $32,871 Middletown, DE May 01, 2026
25th Percentile Development Assistant Salary $38,227 Middletown, DE May 01, 2026
50th Percentile Development Assistant Salary $44,111 Middletown, DE May 01, 2026
75th Percentile Development Assistant Salary $51,714 Middletown, DE May 01, 2026
90th Percentile Development Assistant Salary $58,636 Middletown, DE May 01, 2026
25% $38,227 10% $32,871 90% $58,636 75% $51,714 $44,111 50%(Median) Didn’t find job title? Click
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Development Assistant

Serviam Girls Academy Delaware - Wilmington, DE

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Development Assistant

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Job Openings for Development Assistant in Middletown, DE

Career Path for this job

  1. This Job:

    Development Assistant

    2 - 4 years experience
    Bachelor's Degree

  2. Up a level:

    Development and Fundraising Supervisor

    3 - 5 years experience
    Bachelor's Degree

Understand the total compensation opportunity for a Development Assistant, base salary plus other pay elements

Average Base Salary

Core compensation

 
 
 
38227
51714
44111

Average Total Cash Compensation

Includes base and annual incentives

 
 
 
41083
59579
49080
These charts show the average base salary (core compensation), as well as the average total cash compensation for the job of Development Assistant in Middletown, DE. The base salary for Development Assistant ranges from $38,227 to $51,714 with the average base salary of $44,111. The total cash compensation, which includes base, and annual incentives, can vary anywhere from $41,083 to $59,579 with the average total cash compensation of $49,080.

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38227
51714

 

About Middletown, Delaware    Middletown is a town in New Castle County, Delaware, United States. According to the 2010 Census, the population of the town is 18,871. Middletown is ....More

Middletown, Delaware  area prices were up 1.0% from a year ago

Development Assistant Salary in popular cities: WilmingtonDoverNewark

Skills associated with Development Assistant: Fundraising, requests, Track

Recently searched related titles: Annual Fund Officer, Grant Officer, Dealer Operations Manager

Jobs with a similar salary range to Development Assistant : Donations Coordinator, Professional Fundraiser, Head Writer