CalEnviroScreen 5.0, Butte County tracts

6 of 54 Butte County tracts score in the state's most-burdened quarter (75th percentile or higher). 32 median statewide percentile across 25 Chico tracts.

The state's CalEnviroScreen 5.0 scores for each Butte County census tract. A percentile of 90 means the tract carries a heavier combined pollution and health burden than 90% of California tracts.

Up to dateUpdated Oct 21, 2026, 8:22 AM (6 days ago)Refreshed weekly check (OEHHA updates every few years)Source

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6of 54 Butte County tracts score in the state's most-burdened quarter (75th percentile or higher)

32median statewide percentile across 25 Chico tracts

90highest-scoring Chico tract (tract 6007001300, ZIP 95928)

The records

Census tract	Area	ZIP	People	Overall burden percentile	Pollution percentile	Health and income percentile
6007001300	Chico	95928	4,080	90.0	94.5	73.9
6007002800	Oroville	95965	4,853	86.4	77.8	85.2
6007001200	Chico	95928	3,801	80.2	94.8	56.7
6007003400	Gridley	95948	3,124	77.0	74.7	69.8
6007003002	Oroville	95965	2,685	76.3	81.4	63.8
6007003700	Oroville	95965	5,124	75.6	74.2	68.1
6007003001	Oroville	95966	2,587	74.3	49.5	85.3
6007003502	Gridley	95948	4,178	73.5	66.2	70.7
6007002500	Oroville	95965	5,510	72.9	64.9	70.8
6007001000	Chico	95928	5,890	71.6	80.9	57.6
6007003200	Oroville	95966	3,904	68.9	34.8	88.4
6007002900	Oroville	95965	3,018	63.4	51.6	64.9
6007003501	Gridley	95948	4,111	62.8	42.6	70.9
6007003600	Biggs	95917	3,774	61.7	58.5	57.7
6007000603	Chico	95926	3,618	59.4	62.2	51.9
6007001100	Chico	95928	4,341	59.4	70.9	46.5
6007003300	Oroville	95966	4,476	56.0	48.2	55.2
6007001500	Durham	95938	5,266	55.4	87.3	31.6
6007000903	Chico	95928	5,719	49.6	67.9	34.5
6007000604	Chico	95926	4,073	48.7	43.4	47.4
6007000300	Chico	95973	4,991	47.6	40.5	48.1
6007000502	Chico	95926	5,439	46.2	53.8	37.9
6007000102	Chico	95926	4,025	46.1	33.1	51.4
6007002700	Oroville	95966	5,783	44.8	40.6	43.9
6007001900	Paradise	95969	919	44.6	15.6	67.4
6007000700	Chico	95926	4,767	41.2	72.0	23.5
6007002401	Oroville	95965	902	39.6	12.2	64.5
6007002300	Oroville	95965	2,321	38.1	17.7	53.9
6007000202	Chico	95973	3,563	36.8	33.7	38.0
6007001800	Paradise	95969	1,448	33.5	16.7	48.2
6007002402	Oroville	95966	2,314	32.2	9.6	57.2
6007000201	Chico	95973	4,413	32.0	19.4	43.1
6007002200	Paradise	95969	2,248	30.9	42.5	25.6
6007000501	Chico	95973	4,256	29.2	43.8	22.6
6007001704	Magalia	95954	3,024	28.7	5.3	62.9
6007002601	Oroville	95966	1,911	28.3	8.9	52.2
6007002100	Paradise	95969	1,544	26.9	5.8	58.0
6007000800	Chico	95926	5,568	25.7	29.5	26.0
6007001400	Chico	95973	6,640	25.7	73.7	9.6
6007000104	Chico	95973	5,444	22.7	12.2	36.3
6007003100	Oroville	95966	4,597	22.1	17.3	29.7
6007000904	Chico	95928	5,959	21.5	28.9	20.3
6007001702	Magalia	95954	3,700	21.1	4.1	52.9
6007000403	Chico	95926	3,372	16.6	15.1	22.9
6007001703	Magalia	95954	1,547	15.5	1.0	58.4
6007002602	Oroville	95966	3,682	15.5	5.5	35.9
6007000901	Chico	95928	2,946	13.8	30.1	10.7
6007001602	Chico	95973	3,721	13.3	25.9	11.5
6007002000	Paradise	95969	1,606	11.9	5.0	28.8
6007001601	Forest Ranch	95942	2,188	11.8	3.3	33.7
6007000401	Chico	95973	5,590	11.7	21.9	11.0
6007000601	Chico	95926	3,412	10.3	14.1	13.5
6007000404	Chico	95973	3,682	9.8	25.5	7.6
6007000103	Chico	95973	6,275	4.2	4.9	10.2

Scores combine many indicators (air, water, pesticides, cleanup sites, asthma, poverty and more) and are percentiles against all California tracts.