Contra Costa County has a predicted average indoor radon screening level between 2 and 4 pCi/L (pico curies per liter) - Moderate Potential
Air Quality Index (AQI) level in 2010 was 30.9. This is about average.
Lead (Pb) [µ/m3] level in 2009 was 0.00587. This is significantly better than average. Closest monitor was 6.4 miles away from the city center.
Carbon Monoxide (CO) [ppm] level in 2010 was 0.300. This is about average. Closest monitor was 6.4 miles away from the city center.
Nitrogen Dioxide (NO2) [ppb] level in 2010 was 11.8. This is worse than average. Closest monitor was 6.4 miles away from the city center.
Ozone [ppb] level in 2010 was 22.3. This is better than average. Closest monitor was 6.4 miles away from the city center.
Particulate Matter (PM10) [µ/m3] level in 2010 was 15.9. This is better than average. Closest monitor was 6.4 miles away from the city center.
Particulate Matter (PM2.5) [µ/m3] level in 2010 was 9.32. This is about average. Closest monitor was 9.9 miles away from the city center.
Sulfur Dioxide (SO2) [ppb] level in 2010 was 0.961. This is significantly better than average. Closest monitor was 6.1 miles away from the city center.
Average household size:
| This place: | 2.9 people | | California: | 2.9 people |
Percentage of family households:
| This place: | 70.1% | | Whole state: | 68.9% |
Percentage of households with unmarried partners:
| This place: | 5.0% | | Whole state: | 5.9% |
Likely homosexual households (counted as self-reported same-sex unmarried-partner households)
- Lesbian couples: 0.5% of all households
- Gay men: 0.4% of all households
Residents with income below the poverty level in 2009:
| This place: | 3.0% | | Whole state: | 14.2% |
Residents with income below 50% of the poverty level in 2009:
| This place: | 1.5% | | Whole state: | 6.3% |
Detailed information about poverty and poor residents in Briones, CA
13 people in nursing homes
Briones compared to California state average:
- Median household income above state average.
- Median house value above state average.
- Unemployed percentage significantly below state average.
- Foreign-born population percentage significantly below state average.
- Renting percentage significantly below state average.
- Length of stay since moving in significantly below state average.
- House age significantly below state average.
- Percentage of population with a bachelor's degree or higher above state average.
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Educational Attainment (%)
School Enrollment by Level of School (%)
Most commonly used house heating fuel:
- Utility gas (75%)
- Electricity (17%)
- Bottled, tank, or LP gas (5%)
- Wood (4%)
2004 Presidential Election results in Contra Costa County California:
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Religion statistics for Briones (based on Contra Costa County data)
Percentage of population affiliated with a religious congregations: 38.89%
| Here |  | 38.9% |
| USA |  | 50.2% |
Breakdown of population affiliated with a religious congregations
| Name | Catholic Church | Baptist General Conference | Jewish | LDS (Mormon) Church | Presbyterian Church (USA) |
| Adherents | 55.3% | 6.7% | 6.0% | 5.0% | 3.2% |
| Congregations | 7.1% | 1.0% | 3.1% | 9.6% | 3.1% |
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| Name | Assemblies of God | Southern Baptist Convention | United Methodist Church | Evangelical Lutheran Church in America | Other |
| Adherents | 2.2% | 2.1% | 2.0% | 1.8% | 15.7% |
| Congregations | 4.6% | 8.4% | 4.4% | 3.1% | 55.3% |
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Source: Jones, Dale E., et al. 2002. Congregations and Membership in the United States 2000. Nashville, TN: Glenmary Research Center. Tables represent county-level data.
Food Environment Statistics:Number of grocery stores: 181 | Contra Costa County: | 1.78 / 10,000 pop. | | California: | 2.14 / 10,000 pop. |
Number of supercenters and club stores: 5 | This county: | 0.05 / 10,000 pop. | | State: | 0.04 / 10,000 pop. |
Number of convenience stores (no gas): 52 | Contra Costa County: | 0.51 / 10,000 pop. | | California: | 0.62 / 10,000 pop. |
Number of convenience stores (with gas): 178 | Contra Costa County: | 1.75 / 10,000 pop. | | State: | 1.49 / 10,000 pop. |
Number of full-service restaurants: 683 | Here: | 6.73 / 10,000 pop. | | State: | 7.42 / 10,000 pop. |
Adult diabetes rate: | This county: | 7.1% | | California: | 7.3% |
Adult obesity rate: | Contra Costa County: | 22.2% | | California: | 21.3% |
Low-income preschool obesity rate: | This county: | 16.8% | | State: | 17.9% |
6.30% of this county's 2006 resident taxpayers lived in other counties in 2005 ($66,206 average adjusted gross income) | Here: | 6.30% | | California average: | 5.75% |
0.12% of residents moved from foreign countries ($760 average AGI)| Contra Costa County: | 0.12% | | California average: | 0.21% |
Top counties from which taxpayers relocated into this county between 2005 and 2006:
7.00% of this county's 2005 resident taxpayers moved to other counties in 2006 ($66,530 average adjusted gross income) | Here: | 7.00% | | California average: | 6.27% |
0.07% of residents moved to foreign countries ($654 average AGI)| Contra Costa County: | 0.07% | | California average: | 0.11% |
Top counties to which taxpayers relocated from this county between 2005 and 2006:
Strongest AM radio stations in Briones:
- KTRB (860 AM; 50 kW; MODESTO, CA; Owner: PAPPAS RADIO OF CALIFORNIA, A CALIFORNIA LIMITED PARTNERSHIP)
- KNEW (910 AM; 20 kW; OAKLAND, CA; Owner: AMFM RADIO LICENSES, L.L.C.)
- KIQI (1010 AM; 35 kW; SAN FRANCISCO, CA; Owner: RADIO UNICA OF SAN FRANCISCO LICENSE CORP.)
- KCBS (740 AM; 50 kW; SAN FRANCISCO, CA; Owner: INFINITY BROADCASTING OPERATIONS, INC.)
- KFRC (610 AM; 5 kW; SAN FRANCISCO, CA; Owner: INFINITY BROADCASTING CORPORATION OF LOS ANGELES)
- KTCT (1050 AM; 50 kW; SAN MATEO, CA; Owner: SUSQUEHANNA RADIO CORP.)
- KFAX (1100 AM; 50 kW; SAN FRANCISCO, CA; Owner: GOLDEN GATE BROADCASTING CO, INC.)
- KNBR (680 AM; 50 kW; SAN FRANCISCO, CA; Owner: KNBR LICO, INC.)
- KDYA (1190 AM; 10 kW; VALLEJO, CA; Owner: BAYBRIDGE COMMUNICATIONS, L.L.C.)
- KGO (810 AM; 50 kW; SAN FRANCISCO, CA; Owner: KGO-AM RADIO, INC.)
- KDIA (1640 AM; 10 kW; VALLEJO, CA; Owner: BAYBRIDGE COMMUNICATIONS, L.L.C.)
- KMZT (1510 AM; 8 kW; SAN RAFAEL, CA; Owner: MOUNT WILSON FM BROADCASTERS, INC.)
- KABL (960 AM; 5 kW; OAKLAND, CA; Owner: AMFM RADIO LICENSES, L.L.C.)
Strongest FM radio stations in Briones:
- KDFC-FM1 (102.1 FM; LAFAYETTE, CA; Owner: BONNEVILLE HOLDING COMPANY)
- KOIT-FM2 (96.5 FM; MARTINEZ, ETC., CA; Owner: BONNEVILLE HOLDING CO. C/O KOIT(FM))
- KIOI-FM1 (101.3 FM; WALNUT CREEK, CA; Owner: AMFM RADIO LICENSES, L.L.C.)
- KLLC (97.3 FM; SAN FRANCISCO, CA; Owner: INFINITY BROADCASTING OPERATIONS, INC.)
- KALX (90.7 FM; BERKELEY, CA; Owner: UNIVERSITY OF CALIFORNIA)
- KKSF-FM1 (103.7 FM; PLEASANTON, ETC., CA; Owner: AMFM RADIO LICENSES, L.L.C.)
- KBLX-FM2 (102.9 FM; PLEASANTON, CA; Owner: ICBC BROADCAST HOLDINGS -CA, INC.)
- KSOL-FM3 (98.9 FM; PLEASANTON, CA; Owner: TMS LICENSE CALIFORNIA, INC)
- KFRC-FM3 (99.7 FM; WALNUT CREEK, CA; Owner: INFINITY KFRC-FM, INC.)
- KZBR-FM1 (95.7 FM; WALNUT CREEK, CA; Owner: BONNEVILLE HOLDING COMPANY)
- KFJO (92.1 FM; WALNUT CREEK, CA; Owner: CHASE RADIO PROPERTIES, L.L.C.)
- KISQ-FM3 (98.1 FM; CONCORD, CA; Owner: AMFM RADIO LICENSES, L.L.C.)
- KMEL-FM1 (106.1 FM; CONCORD, CA; Owner: AMFM RADIO LICENSES, L.L.C.)
- K249DJ (97.7 FM; SAN PABLO, CA; Owner: EL CERRITO HIGH SCHOOL)
- KSFB-FM (100.7 FM; SAN RAFAEL, CA; Owner: GOLDEN GATE BROADCASTING COMPANY, INC.)
- KDFC-FM (102.1 FM; SAN FRANCISCO, CA; Owner: BONNEVILLE HOLDING COMPANY)
- KOIT-FM (96.5 FM; SAN FRANCISCO, CA; Owner: BONNEVILLE HOLDING COMPANY)
- KKSF (103.7 FM; SAN FRANCISCO, CA; Owner: AMFM RADIO LICENSES, L.L.C.)
- KFOG (104.5 FM; SAN FRANCISCO, CA; Owner: KFFG LICO, INC)
- KSOL (98.9 FM; SAN FRANCISCO, CA; Owner: TMS LICENSE CALIFORNIA, INC)
TV broadcast stations around Briones:
- KQED (Channel 9; SAN FRANCISCO, CA; Owner: KQED, INC.)
- KGO-TV (Channel 7; SAN FRANCISCO, CA; Owner: KGO TELEVISION, INC.)
- KPIX-TV (Channel 5; SAN FRANCISCO, CA; Owner: CBS BROADCASTING INC.)
- KTVU (Channel 2; OAKLAND, CA; Owner: KTVU PARTNERSHIP)
- KRON-TV (Channel 4; SAN FRANCISCO, CA; Owner: YOUNG BROADCASTING OF SAN FRANCISCO, INC.)
- KMTP-TV (Channel 32; SAN FRANCISCO, CA; Owner: MINORITY TELEVISION PROJECT)
- KBHK-TV (Channel 44; SAN FRANCISCO, CA; Owner: VIACOM TELEVISION STATIONS GROUP OF SAN FRANCISCO INC.)
- KBWB (Channel 20; SAN FRANCISCO, CA; Owner: KBWB LICENSE, INC.)
- KTNC-TV (Channel 42; CONCORD, CA; Owner: KTNC LICENSE, LLC)
- KFSF (Channel 66; VALLEJO, CA; Owner: TELEFUTURA SAN FRANCISCO LLC)
- KCNS (Channel 38; SAN FRANCISCO, CA; Owner: WRAY, INC.)
- KOVR (Channel 13; STOCKTON, CA; Owner: SCI - SACRAMENTO LICENSEE, LLC)
- KXTV (Channel 10; SACRAMENTO, CA; Owner: KXTV, INC.)
- KSPX (Channel 29; SACRAMENTO, CA; Owner: PAXSON SACRAMENTO LICENSE, INC.)
- KCRA-TV (Channel 3; SACRAMENTO, CA; Owner: KCRA HEARST-ARGYLE TELEVISION, INC.)
- KTXL (Channel 40; SACRAMENTO, CA; Owner: CHANNEL 40, INC.)
- KUVS (Channel 19; MODESTO, CA; Owner: KUVS LICENSE PARTNERSHIP, G.P.)
- KQCA (Channel 58; STOCKTON, CA; Owner: KCRA HEARST-ARGYLE TELEVISION, INC.)
- KVIE (Channel 6; SACRAMENTO, CA; Owner: KVIE, INC.)
- KMAX-TV (Channel 31; SACRAMENTO, CA; Owner: UPN STATIONS GROUP INC.)
- KCSM-TV (Channel 60; SAN MATEO, CA; Owner: SAN MATEO COUNTY COMMUNITY COLLEGE DISTRICT)
- KFTL (Channel 64; STOCKTON, CA; Owner: FAMILY STATIONS, INC.)
- #4 on the list of "Top 101 cities with largest percentage of females working in industry: Alcoholic beverage merchant wholesalers (population 5,000+)"
- #11 on the list of "Top 101 cities with largest percentage of females in occupations: Business operations specialists (population 5,000+)"
- #11 on the list of "Top 101 cities with largest percentage of females working in industry: Petroleum and coal products (population 5,000+)"
- #20 on the list of "Top 101 cities with largest percentage of males working in industry: U. S. Postal service (population 5,000+)"
- #21 on the list of "Top 101 cities with largest percentage of males in occupations: Material recording, scheduling, dispatching, and distributing workers (population 5,000+)"
- #26 on the list of "Top 101 cities with largest percentage of females in occupations: Material recording, scheduling, dispatching, and distributing workers (population 5,000+)"
- #34 on the list of "Top 101 cities with largest percentage of workers with very long commute times (90 or more minutes) (population 5,000+)"
- #40 on the list of "Top 101 cities with the most Chinese residents"
- #60 on the list of "Top 101 cities with the most Two or more races residents"
- #64 on the list of "Top 101 cities with the most Filipino residents"
- #66 on the list of "Top 101 cities with the most Korean residents (pop 5,000+)"
- #70 on the list of "Top 101 cities with the most American Indian residents (pop 5,000+)"
- #84 on the list of "Top 100 cities with longest commuting times (pop. 5,000+)"
- #91 on the list of "Top 101 cities with largest percentage of males working in industry: Petroleum and coal products (population 5,000+)"
- #91 on the list of "Top 101 cities with the most Japanese residents (pop 5,000+)"
- #92 on the list of "Top 101 cities with largest percentage of males working in industry: Chemicals (population 5,000+)"
- #96 on the list of "Top 101 cities with the most Native Hawaiian and Other Pacific Islander residents (pop 5,000+)"
- #98 on the list of "Top 101 cities with the most Asian Indian residents (pop 5,000+)"
- #100 on the list of "Top 101 cities with largest percentage of females in occupations: Postsecondary teachers (population 5,000+)"
- #56 on the list of "Top 101 counties with highest percentage of residents voting for Kerry (Democrat) in the 2004 Presidential Election, pop. 50,000+"
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