According to 17,168 public court records, Niagara County has a 29.4% dismissal rate, a 69.8% conviction rate, and an average case duration of 7.8 months.

Dismissal rate includes judicial dismissals and cases dismissed in the interest of justice. Conviction rate includes guilty pleas and findings of guilt at trial. Avg duration measures arraignment to final disposition. Data sourced from New York DCJS Pretrial Release Data across all charge types in this county. Last updated: March 2026

17,168
Total Cases
29.4%
Dismissal Rate
69.8%
Conviction Rate
0.4%
Acquittal Rate
7.8 months
Avg Duration

Most Common Charges

Top Agencies in Niagara County

Law enforcement agencies with the most cases in Niagara County.

Agency Cases Dismissal Rate Conviction Rate
Niagara Falls City Police Department 8,211 42.2% 57.0%
Lockport City Police Department 2,705 23.1% 75.7%
North Tonawanda City Police Department 2,418 15.5% 83.8%
Niagara County Sheriffs Office 1,966 12.8% 86.2%
NYSP Niagara 924 16.6% 83.2%
NYSP Lockport 247 10.2% 89.3%
Niagara Town Police Department 232 18.8% 80.7%
Lewiston Police Department 162 16.9% 82.4%
NYS Park Police - Niagara Region 138 19.5% 79.7%
NYSP Buffalo- Special Investigations Unit 21 15.0% 85.0%

Courts in Niagara County

Specific courts handling criminal cases in Niagara County, from OCA data (2024–2025).

Court Type Cases Dismissal Rate Conviction Rate
Niagara Falls City Court Local-City & District 4,549 24.5% 75.3%
North Tonawanda City Court Local-City & District 2,119 14.8% 85.1%
Lockport City Court Local-City & District 1,808 31.1% 68.8%
Niagara County Court Supreme/County 1,224 4.9% 94.9%
Lockport Town Court Local-Town & Village 800 15.6% 84.4%
Niagara Town Court Local-Town & Village 368 18.5% 81.1%
Lewiston Town Court Local-Town & Village 257 17.3% 82.7%
Wheatfield Town Court Local-Town & Village 166 16.1% 83.9%
Newfane Town Court Local-Town & Village 102 18.6% 81.4%
Royalton Town Court Local-Town & Village 94 26.5% 73.5%
Pendleton Town Court Local-Town & Village 66 26.0% 74.0%
Wilson Town Court Local-Town & Village 46 25.0% 75.0%
Cambria Town Court Local-Town & Village 40 16.7% 83.3%
Porter Town Court Local-Town & Village 39 21.4% 78.6%
Hartland Town Court Local-Town & Village 37 26.9% 73.1%

Compare All New York Counties

County Cases Dismissal Rate Conviction Rate Avg Duration
Kings 211,680 76.6% 23.2% 6.7 months
New York 178,683 60.5% 39.2% 7.0 months
Queens 174,749 62.8% 36.9% 6.7 months
Bronx 136,264 68.9% 30.7% 7.0 months
Suffolk 74,073 32.9% 66.6% 9.5 months
Nassau 73,406 39.0% 60.5% 8.6 months
Erie 46,381 43.7% 55.5% 7.9 months
Westchester 40,967 32.6% 66.8% 8.6 months
Monroe 35,087 43.8% 54.7% 8.1 months
Richmond 34,320 48.2% 51.6% 7.0 months
Onondaga 29,389 46.1% 53.2% 10.4 months
Orange 18,311 29.0% 70.6% 8.0 months
Niagara 17,168 29.4% 69.8% 7.8 months
Oneida 16,787 25.0% 74.4% 7.0 months
Albany 16,534 23.8% 75.8% 7.9 months
Broome 13,834 34.4% 64.7% 8.6 months
Chautauqua 13,008 29.5% 69.9% 8.7 months
Schenectady 11,793 30.6% 68.8% 7.6 months
Oswego 8,518 18.4% 81.2% 7.5 months
Saratoga 8,368 15.1% 84.6% 6.0 months
Dutchess 8,218 20.0% 79.4% 8.1 months
Rensselaer 8,027 29.2% 70.1% 8.3 months
Chemung 7,332 26.9% 72.2% 7.0 months
Ulster 7,264 22.5% 77.0% 9.2 months
Jefferson 6,400 16.4% 82.8% 8.0 months
Cattaraugus 5,613 15.8% 83.6% 7.6 months
Steuben 5,525 21.4% 77.1% 8.2 months
Cayuga 4,754 10.1% 89.1% 7.3 months
Rockland 4,492 39.2% 59.8% 8.5 months
Warren 4,233 16.1% 83.2% 6.5 months
Clinton 4,110 11.2% 87.8% 6.1 months
St. Lawrence 3,971 19.6% 79.7% 7.8 months
Ontario 3,882 16.1% 82.5% 9.6 months
Montgomery 3,611 5.9% 93.1% 6.6 months
Genesee 3,609 10.0% 89.1% 8.6 months
Fulton 3,519 5.8% 93.2% 5.4 months
Tompkins 3,479 37.5% 61.8% 8.0 months
Madison 3,308 8.3% 90.9% 7.5 months
Cortland 3,228 17.2% 81.9% 8.9 months
Otsego 2,149 23.6% 75.8% 6.5 months
Chenango 2,087 12.1% 87.4% 6.9 months
Sullivan 2,007 20.2% 78.9% 10.2 months
Columbia 1,995 17.5% 81.5% 9.6 months
Wayne 1,881 17.8% 80.8% 8.2 months
Livingston 1,538 11.5% 87.4% 7.5 months
Greene 1,488 14.7% 83.9% 7.8 months
Herkimer 1,381 5.5% 93.5% 6.8 months
Franklin 1,297 9.0% 90.0% 7.8 months
Washington 1,293 7.7% 91.5% 6.4 months
Putnam 1,211 18.7% 80.9% 8.9 months
Wyoming 1,109 3.8% 95.0% 7.1 months
Seneca 1,043 7.3% 92.0% 7.4 months
Allegany 947 15.5% 83.6% 7.8 months
Essex 863 9.3% 90.0% 7.9 months
Orleans 848 14.9% 84.3% 6.8 months
Tioga 764 13.3% 86.0% 8.0 months
Delaware 711 26.6% 72.7% 6.9 months
Schoharie 490 6.5% 91.8% 7.3 months
Schuyler 483 9.8% 89.6% 7.9 months
Lewis 412 8.6% 89.9% 9.2 months
Yates 310 7.9% 91.8% 7.2 months
Hamilton 37 5.6% 94.4% 8.7 months

Statistics from public court records for informational purposes only. Not legal advice. Past outcomes do not predict future results.

Niagara County has a 29.4% dismissal rate and 69.8% conviction rate across 17,168 cases. The average case duration is 7.8 months. Use the comparison table above to see how this county stacks up against others.
The most common charges in Niagara County include Petit Larceny (2,183 cases), DWI / DUI (1,997 cases), Criminal Contempt (1,516 cases). Click any charge above for detailed statistics including dismissal rates, sentencing data, and timelines.
Based on 17,168 cases from public records, 29.4% of cases are dismissed, 69.8% result in conviction, and the average case takes 7.8 months. Outcomes vary significantly by charge type — look up your specific charge for the most relevant statistics. For guidance on your case, consult a licensed New York attorney.

Data source: New York DCJS Pretrial Release Data. 17,168 cases analyzed in Niagara County. Last updated March 2026. — NewYorkCourtFile.com

Dealing with a case in Niagara County? Get connected with a defense attorney who practices in this court.

Talk to a Niagara County Attorney — Free Free · No obligation · Confidential