RJ Barrett is the youngest for the Knicks with 20.0+ points per game in a season. He was 21 years old in 2021-22.

youngest knicks player to average 20 ppg in a season

Interpreted as:

youngest knicks player to average 20 or higher ppg in a season

NAME	AGE	PPG	SEASON	TM	GP	MPG	RPG	APG	SPG	BPG	TPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	MIN	PTS	REB	AST	STL	BLK	TOV	PF	+/-
RJ Barrett	21	20.0	2021-22	NYK	70	34.5	5.8	3.0	0.6	0.2	2.2	7.0	17.1	40.8	2.0	5.8	34.2	4.1	5.8	71.4	2,417	1,402	408	208	43	16	151	142	-146
Kristaps Porzingis	22	22.7	2017-18	NYK	48	32.4	6.6	1.2	0.8	2.4	1.9	8.1	18.5	43.9	1.9	4.8	39.5	4.5	5.7	79.3	1,553	1,088	316	57	36	115	93	141	+15
Bill Cartwright	22	21.7	1979-80	NYK	82	38.4	8.9	2.0	0.6	1.2	2.7	8.1	14.8	54.7	0.0	0.0		5.5	6.9	79.7	3,150	1,781	726	165	48	101	222	279
Bill Cartwright	23	20.1	1980-81	NYK	82	35.7	7.5	1.4	0.6	1.0	2.4	7.5	13.6	55.4	0.0	0.0	0.0	5.0	6.3	78.8	2,925	1,646	613	111	48	83	200	259
Patrick Ewing	24	21.5	1986-87	NYK	63	35.0	8.8	1.7	1.4	2.3	3.6	8.4	16.7	50.3	0.0	0.1	0.0	4.7	6.6	71.3	2,206	1,356	555	104	89	147	229	248
Walt Frazier	24	20.9	1969-70	NYK	77	39.5	6.0	8.2				7.8	15.0	51.8				5.3	7.1	74.8	3,040	1,609	465	629				203
Willis Reed	24	20.9	1966-67	NYK	78	36.2	14.6	1.6				8.1	16.6	48.9				4.6	6.2	73.5	2,824	1,628	1,136	126				293
Patrick Ewing	25	20.2	1987-88	NYK	82	31.0	8.2	1.5	1.3	3.0	3.5	8.0	14.4	55.5	0.0	0.0	0.0	4.2	5.8	71.6	2,546	1,653	676	125	104	245	287	332
Ray Williams	25	20.9	1979-80	NYK	82	31.5	5.0	6.2	2.0	0.3	3.1	8.4	16.9	49.6	0.1	0.5	18.9	4.1	5.2	78.7	2,582	1,714	412	512	167	24	256	295
Bob McAdoo	25	26.7	1976-77	NYK	52	39.1	12.7	2.7	1.2	1.3		10.7	20.1	53.4				5.2	6.9	75.7	2,031	1,387	662	140	61	65		188
Walt Frazier	25	21.7	1970-71	NYK	80	43.2	6.8	6.7				8.1	16.5	49.4				5.4	7.0	77.9	3,455	1,736	544	536				240
Willis Reed	25	20.8	1967-68	NYK	81	35.5	13.2	2.0				8.1	16.6	49.0				4.5	6.3	72.1	2,879	1,685	1,073	159				343
Willie Naulls	25	21.4	1959-60	NYK	65	34.6	14.2	2.1				8.5	19.8	42.8				4.4	5.3	83.6	2,250	1,388	921	136				214
Kenny Sears	25	21.0	1958-59	NYK	71	35.2	9.3	1.9				6.9	14.1	49.0				7.1	8.3	86.1	2,498	1,488	658	136				237
Jalen Brunson	26	24.0	2022-23	NYK	68	35.0	3.5	6.2	0.9	0.2	2.1	8.6	17.6	49.1	2.0	4.7	41.6	4.8	5.8	82.9	2,379	1,633	241	421	61	15	142	152	+152
Julius Randle	26	24.1	2020-21	NYK	71	37.6	10.2	6.0	0.9	0.3	3.4	8.5	18.6	45.6	2.3	5.5	41.1	4.9	6.0	81.1	2,667	1,712	724	427	64	18	241	225	+153
Carmelo Anthony	26	26.3	2010-11	NYK	27	36.2	6.7	3.0	0.9	0.6	2.4	9.1	19.9	46.1	2.0	4.6	42.4	6.1	7.0	87.2	977	711	181	81	25	15	64	90	+32
David Lee	26	20.2	2009-10	NYK	81	37.3	11.7	3.6	1.0	0.5	2.3	8.5	15.5	54.5	0.0	0.1	0.0	3.3	4.1	81.2	3,019	1,640	949	295	85	40	189	257	-261
Patrick Ewing	26	22.7	1988-89	NYK	80	36.2	9.3	2.4	1.5	3.5	3.3	9.1	16.0	56.7	0.0	0.1	0.0	4.5	6.1	74.6	2,896	1,815	740	188	117	281	266	311
Bernard King	26	21.9	1982-83	NYK	68	32.5	4.8	2.9	1.3	0.2	2.9	8.9	16.8	52.8	0.0	0.1	0.0	4.1	5.7	72.2	2,207	1,486	326	195	90	13	197	233
Bob McAdoo	26	26.5	1977-78	NYK	79	40.3	12.8	3.8	1.3	1.6	4.4	10.3	19.8	52.0				5.9	8.2	72.7	3,182	2,097	1,010	298	105	126	346	297
Walt Frazier	26	23.2	1971-72	NYK	77	40.6	6.7	5.8				8.7	17.0	51.2				5.8	7.2	80.8	3,126	1,788	513	446				185
Willis Reed	26	21.1	1968-69	NYK	82	37.9	14.5	2.3				8.6	16.5	52.1				4.0	5.3	74.7	3,108	1,733	1,191	190				314
Walt Bellamy	26	23.2	1965-66	NYK	72	42.8	16.0	3.0				8.9	17.3	51.2				5.4	8.6	62.7	3,084	1,668	1,152	217				262
Willie Naulls	26	23.4	1960-61	NYK	79	37.7	13.4	2.4				9.3	21.8	42.8				4.7	5.8	81.6	2,976	1,846	1,055	191				268