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County or equivalent screenFIPS 36067New York

Onondaga, New York

In Onondaga, New York, M&T Bank Corporation holds 27.7% of bank deposits, and local deposit concentration (HHI 1,496) ranks 2,676 of 3,104 U.S. counties and county equivalents in 2025. Concentration fell 30 points between 2015 and 2025. 14 banking organizations report deposits here; the source is the FDIC Summary of Deposits. What is HHI?

This profile is a branch-booking screen. Its county boundary and deposit denominator are not asserted legal banking markets.

Deposit HHI
1,496National rank #2676
Leading share
27.7%Rank #2444
Organizations
146 above 5%
Reported deposits
$12.5B104 branches

Measurement contract

What this row measures

June 30, 2025
Geography
Onondaga, NYFDIC-reported county or equivalent
Denominator
$12.5BPositive reported branch deposits
Organization rule
14 groupsTop holder when available; otherwise certificate
Measure
1,496 HHIUnconcentrated

Antitrust Radar sums positive June 30, 2025 branch deposits within each FDIC-reported county or county equivalent, groups branches to the FDIC-reported top bank holding company when available and otherwise to the insured institution certificate, then calculates shares and HHI from those grouped balances.

Spatial context

Locate this screen in the New York field

Every colored county uses the same 2025 branch-deposit denominator and fixed HHI thresholds. Select another published screen to continue through its evidence profile.

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State county field / NY

New York deposit HHI

State screens
62
State HHI rank
#51
Loading Census boundary layer
0–1,4991,500–2,5002,501–4,9995,000–7,4997,500–10,000Outside NYNo positive-deposit screen

Longitudinal evidence

Trace the annual branch-deposit screen

Compare exact June 30 observations from 2015 through 2025. Annual ranks are rebuilt within each vintage, and unavailable FIPS years remain visibly absent.

Observed span2015-2025June 30 snapshots
Coverage11 / 11Complete annual FIPS series
HHI change-301,526 to 1,496
Latest annual rank#2676of 3,104 screens
Metric

Deposit HHI

11 exact observationsOnondaga, NY
First observed2015 / 1,526
Selected vintage2025 / 1,496

The upper field preserves the published metric level. The lower field isolates movement from 2015; annual gaps remain unconnected and unfilled.

Annual evidence ledgerEvery published annual input
Ranks reset within each annual county universe
YearHHINational rankLeader shareOrganizationsBranchesDepositsLeading organization
20151,526#2602 / 3,11230.7%16126$9.2BM&T Bank Corporation
20161,539#2587 / 3,10830.9%15122$9.6BM&T Bank Corporation
20171,698#2442 / 3,10828.9%15114$10.8BM&T Bank Corporation
20181,669#2470 / 3,10929.4%15110$10.3BM&T Bank Corporation
20191,653#2490 / 3,11129.0%15107$10.7BM&T Bank Corporation
20201,713#2465 / 3,11030.0%15104$12.8BM&T Bank Corporation
20211,697#2502 / 3,10930.2%15101$13.6BM&T Bank Corporation
20221,634#2573 / 3,10930.9%1599$13.1BM&T Bank Corporation
20231,599#2592 / 3,10829.7%15100$12.2BM&T Bank Corporation
20241,567#2620 / 3,10529.3%15102$12.3BM&T Bank Corporation
20251,496#2676 / 3,10427.7%14104$12.5BM&T Bank Corporation

Antitrust Radar independently aggregates each annual June 30 Summary of Deposits vintage from 2015 through 2025 using the FDIC-reported top bank holding company when available and otherwise the insured institution certificate. No values are interpolated across missing or changed geographies.

National benchmark

Position in the complete screen universe

Deposit HHI1,4962,826-1,330 from national county median
National HHI rank#26763,10413.8% of screens are at or below this HHI
Leading share rank#244427.7%Ranked against the same county-screen universe
Deposit scale rank#173$12.5BReported branch-booked deposit scale, not resident wealth

Within-state context

New York county screens

This screen ranks #51 of 62; its HHI is -1,111 from the state screen median of 2,607.

Nearest national peers

Closest published HHI screens

Public evidence packet

Reproduce FIPS 36067

The profile, relationship graph, explorer, annual history, JSON endpoints, and CSV exports resolve to the same FDIC source family with vintage-specific ranking universes.

Publisher
Federal Deposit Insurance Corporation
Accessed
2026-07-20
Coverage
11 exact annual rows / high confidence

County banking screen guardrail

County rows are screens of positive FDIC Summary of Deposits branch balances grouped to the reported top bank holding company when available and otherwise to the insured institution. Branch-reported deposits may not represent where every customer lives or competes, county boundaries may not match a banking market, deposits are not every banking product, and these screens are not legal market definitions.

Methodology
Onondaga, NY | Bank Deposit Concentration | Antitrust Radar