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

Statewide range: $606 – $1,098 (filing)

National: $640 – $1,160 · 5% below the U.S. average · RPP 94.7 · Sales tax ~0.00% by state

Per filing

$606 – $1,098

Local range · MT

$606 – $1,098

Adjusted with BEA RPP (94.65). 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 Montana, type it above or open the national uscis form n-400 naturalization filing fee (ballpark) guide. Compare wages on Montana salaries.

Related Montana cost guides

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

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

All Montana ZIP codes →

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

Frequently asked questions

What does uscis form n-400 naturalization filing fee (ballpark) cost in Montana?
The statewide planning range is $606 – $1,098 per filing (5% below 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.