Health insurance in New Castle County, Delaware
17,426 people here have no coverage and earn in the range a premium tax credit is built for — 49% of everyone uninsured in the county.
Source: US Census Small Area Health Insurance Estimates, 2024 release. Income bands are measured against the federal poverty level.
How many here a premium tax credit would reach
Of the 35,303 people without coverage in New Castle County, 17,426 — 49% — earn inside the premium tax credit range. That is near the 51% national median. Within that band itself, 10.3% have no coverage.
How many people here have no coverage
7.6% of New Castle County's 465,536 under-65 residents have no health coverage — 35,303 people. That is close to the Delaware rate of 8.3%, and puts New Castle County in the lower half of the 3,143 counties measured nationally (2,271st).
Who falls under the Medicaid line
10,179 of New Castle County's uninsured — 29%, close to the 31% typical nationally — earn under $22,025 a year, which in Delaware is Medicaid territory rather than marketplace territory.
The years before Medicare
6,215 people aged 50 to 64 in New Castle County have no coverage, a rate of 5.7% — close to the 7.6% across all under-65 residents here. Age-rated premiums make this the most expensive group to cover before Medicare.
New Castle County against Delaware
New Castle County is the largest of the 3 Delaware counties we publish, by under-65 population. Its uninsured rate runs 0.7 points lower than Delaware overall and its subsidy-band share matches the state. Coverage among 50 to 64 year olds matches the Delaware picture.
| New Castle County | Delaware | National median | |
|---|---|---|---|
| Uninsured, under 65 | 7.6% | 8.3% | 9.8% |
| Uninsured in the subsidy band | 17,426 | 33,350 | — |
| Subsidy band as a share of uninsured | 49% | 51% | 51% |
| At or below 138% of poverty | 29% | 29% | 31% |
| Uninsured, 50 to 64 | 5.7% | 6.4% | 8.1% |
Counties of a similar size
| County | Uninsured | In the subsidy band | Share |
|---|---|---|---|
| Jefferson County (Colorado) | 7.3% | 15,934 | 47% |
| Bristol County (Massachusetts) | 4.4% | 9,851 | 48% |
| Stanislaus County (California) | 6.6% | 17,361 | 56% |
| Adams County (Colorado) | 12.9% | 32,359 | 53% |
All Delaware counties · How the credit works · Enrollment dates