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