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USCIS Form N-400 naturalization filing fee (ballpark) cost in Delaware

Statewide range: $639 – $1,158 (filing)

National: $640 – $1,160 · about even with the U.S. average · RPP 99.8 · Sales tax ~0.00% by state

Per filing

$639 – $1,158

Local range · DE

$639 – $1,158

Adjusted with BEA RPP (99.81). Planning estimate only — not a bid.

Approximate planning estimate only — not a bid or quote. Materials, access, codes, and local labor vary widely. Verify with licensed local providers.

National low / average / high from the factory factor pack, times this state’s BEA all-items RPP when available. Sales tax is listed separately because material vs labor mix varies by job. For a ZIP inside Delaware, type it above or open the national uscis form n-400 naturalization filing fee (ballpark) guide. Compare wages on Delaware salaries.

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National uscis form n-400 naturalization filing fee (ballpark) guide →

USCIS Form N-400 naturalization filing fee (ballpark) costs in Delaware ZIP codes

19720New Castle city19702Glasgow CDP19709Middletown town19711Newark city19701Bear CDP19805Wilmington city19901Dover city19808Pike Creek CDP19904Dover city19966Millsboro town19713Brookside CDP19958Lewes city

All Delaware ZIP codes →

USCIS Form N-400 naturalization filing fee (ballpark) cost by state

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Frequently asked questions

What does uscis form n-400 naturalization filing fee (ballpark) cost in Delaware?
The statewide planning range is $639 – $1,158 per filing (about even with the U.S. average). Enter a ZIP below to refine with local RPP.
How is the statewide figure different from a ZIP figure?
The state page uses that state’s all-items RPP. A five-digit ZIP can pick a tighter local index when one exists. Both are research bands, not bids.
Is this a quote I can hire against?
No. It is a ballpark for research. Get written bids from licensed local providers before you spend.