New Castle County, Delaware
Medicare agents in New Castle County, DE
Find a licensed agent with an office in New Castle County, and see what Medicare looks like here: how many people have it, how many are in Medicare Advantage, and how many plans are offered for 2027.
Last reviewed October 27, 2026. General information, not advice about any plan.
Agents in New Castle County
No agents with an office in New Castle County are listed yet. Agents licensed anywhere in Delaware can help by phone or video: see agents in Delaware.
Before you meet anyone, check their Delaware license.
Medicare in New Castle County
- People with Medicare
- 117,476
- In Medicare Advantage or another Medicare health plan
- 34% (39,858)
- With both Medicare and Medicaid*
- 15% (17,106)
New Castle County has more people with Medicare than any other Delaware county. 34% are in Medicare Advantage or another Medicare health plan, compared with 33% across Delaware. 15% also have Medicaid*, compared with 13% statewide.
Source: CMS Medicare Monthly Enrollment, July 2026, for the county and the state. New Castle County has about 588,093 residents (Census, 2024). Medicare health plans include Medicare Advantage, cost plans and PACE, not Medigap or drug plans. *Includes people who get help only with Medicare costs from a Medicare Savings Program.
2027 plans offered in New Castle County
- Medicare Advantage with drug coverage
- 19 plans, 11 with a $0 plan premium
- Medicare Advantage without drug coverage
- 4 plans
- Special Needs Plans
- 14 plans: 6 for people with both Medicare and Medicaid; 7 for people with certain chronic conditions; 1 for people who live in, or need the care of, a nursing home. Only people who qualify can join.
- Companies offering these plans
- 8
For comparison, the typical Delaware county has 13 Medicare Advantage plans with drug coverage for 2027.
Standalone drug plans in Delaware: 9 plans, with monthly premiums from $5.30.
Source: CMS 2027 plan landscape (updated October 2026), which lists plans by county. A $0 plan premium doesn't mean $0 costs: you still pay the Part B premium, plus copays, and plans differ in their yearly limit and in which doctors and drugs they cover. How to compare.
Cities, towns and ZIP codes in New Castle County
Everything on this page applies across the whole county, including these places.
Cities and towns, largest first
- Wilmington
- Newark
- Middletown
- Elsmere
- New Castle
- Townsend
- Delaware City
- Bellefonte
- Newport
- Arden
- Odessa
- Ardentown
- Ardencroft
- Smyrna
Unincorporated communities
- Bear
- Brookside
- Claymont
- Edgemoor
- Glasgow
- Greenville
- Hockessin
- North Star
- Pike Creek
- Pike Creek Valley
- Port Penn
- St. Georges
- Wilmington Manor
ZIP codes
Source: Census Bureau, Vintage 2024 population estimates, the 2020 list of census-designated places, and 2020 ZIP Code Tabulation Areas (which leave out ZIP codes used only for PO boxes). A place or ZIP code that crosses a county line is listed in each county it covers a real part of.
Free local help
- Delaware Medicare Assistance Bureau (DMAB)
- Delaware's free, unbiased Medicare counseling program. 1-800-336-9500 · Website
- The Delaware Department of Insurance
- Licenses agents and takes complaints. 302-674-7310 · How to check a license
- 1-800-MEDICARE
- 1-800-633-4227 (TTY 1-877-486-2048), 24 hours a day, 7 days a week, except some federal holidays.
Delaware rules to know
- Switching Medigap plans
- Birthday rule. From 30 days before to at least 30 days after your birthday, you can switch to a plan with the same or lesser benefits, with your current insurer or a new one.
- Medigap under 65
- Required. Delaware requires insurers to offer any Medigap policy they sell to people under 65 who have Medicare because of a disability, including ESRD, with no medical underwriting if they apply in the first 6 months after enrolling in Part B.
- Agent licenses
- Agents must be licensed for health insurance in Delaware. Look one up.
Dates to know
- October 15 to December 7
- Open Enrollment: change Medicare Advantage or drug plans for the next year.
- January 1 to March 31
- Medicare Advantage Open Enrollment: one change for people already in a Medicare Advantage plan.
- Turning 65
- A 7-month window around your birthday month. The checklist.
Moving to New Castle County from another state opens a special enrollment period for Medicare Advantage and drug plans. It doesn't by itself let you buy Medigap without health questions. What to do.
Common questions
How many people in New Castle County have Medicare?
In New Castle County, 117,476 people had Medicare in July 2026, according to CMS. About 34% were in Medicare Advantage or another Medicare health plan; the rest had Original Medicare.
How many Medicare Advantage plans are offered in New Castle County for 2027?
CMS lists 19 Medicare Advantage plans with drug coverage in New Castle County for 2027 (11 with a $0 plan premium; you still pay the Part B premium), 4 without drug coverage, and 14 Special Needs Plans for people who qualify, from 8 companies. Medicare.gov's Plan Finder shows which ones cover your address, doctors and drugs.
Which towns does this page cover?
All of New Castle County, including Wilmington, Newark, Middletown, Elsmere, New Castle, Townsend, Delaware City, Bellefonte and 19 more. Medicare Advantage plans are generally offered county by county, so the plan counts here apply across New Castle County.
Which ZIP codes are in New Castle County?
19701, 19702, 19703, 19706, 19707, 19709, 19710, 19711, 19713, 19716, 19717, 19720 and 19 more, according to the Census Bureau. A ZIP code that crosses a county line can be listed in more than one county.
Where can I get free Medicare help in New Castle County?
Delaware's free counseling program, Delaware Medicare Assistance Bureau (DMAB) (1-800-336-9500), gives unbiased one-on-one help. You can also call 1-800-MEDICARE (1-800-633-4227) any time.
Will I pay more for a plan if I use an agent?
No. A plan's premium is set by the plan, and you pay the same whether you enroll through an agent, the plan, or Medicare.gov. Agents can't charge a fee to enroll you in a Medicare Advantage or drug plan.
Nearby
Keep reading
- How to find a good Medicare agent near youWhere to look for a local Medicare agent, how to narrow the list to one or two, and the five-minute checks to do before you share anything.
- Medicare Open Enrollment checklist: what to check before December 7A step-by-step checklist for the October 15 to December 7, 2026 Open Enrollment Period: what to read in your plan's letter, what's changing for 2027, what you can switch, and what happens if you do nothing.
- Medicare Advantage or Medigap? The questions that decide itNeither is better for everyone. How the two common Medicare set-ups differ, the questions that point to one or the other, and why the first choice is the hardest to undo.
Ready to talk to someone local?
Search by ZIP code. Verified agents are listed first, and every listing is free to contact.