Colfax-Summit, California
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| Males: 12,240 |  (51.0%) |
| Females: 11,767 |  (49.0%) |
| Median resident age: | 41.0 years |
| California median age: | 33.3 years |
| Colfax-Summit: | $98,833 |
| CA: | $91,551 |
Estimated per capita income in 2022: $53,779 (it was $26,899 in 2000)
Colfax-Summit CCD income, earnings, and wages data
Estimated median house or condo value in 2022: $693,432 (it was $212,300 in 2000)
| Colfax-Summit: | $693,432 |
| CA: | $715,900 |
Mean prices in 2022: all housing units: $744,913; detached houses: $775,777; townhouses or other attached units: $646,401; in 2-unit structures: $520,744; in 3-to-4-unit structures: $391,510; in 5-or-more-unit structures: $385,040; mobile homes: $155,722; occupied boats, rvs, vans, etc.: $185,079
Detailed information about poverty and poor residents in Colfax-Summit, CA
Business Search - 14 Million verified businesses
- 16,44990.5%White alone
- 9975.5%Hispanic
- 3592.0%Two or more races
- 1250.7%American Indian alone
- 1340.7%Asian alone
- 620.3%Black alone
- 360.2%Other race alone
- 150.08%Native Hawaiian and Other
Pacific Islander alone
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Current Local Time: PST time zone
Land area: 348.2 square miles.
Population density: 69 people per square mile (very low).
Median real estate property taxes paid for housing units in 2000:
| Colfax-Summit CCD: | 0.7% ($1,463) |
| California: | 0.8% ($1,564) |
Nearest city with pop. 50,000+: South El Dorado, CA (37.3 miles 
, pop. 78,296).
Nearest city with pop. 200,000+: Sacramento, CA (59.2 miles , pop. 407,018).
Nearest city with pop. 1,000,000+: Los Angeles, CA (377.3 miles , pop. 3,694,820).
Nearest cities:
Alta, CA (1.9 miles ),
), Dutch Flat, CA (2.2 miles),
Foresthill-Back Country, CA (3.0 miles ),
), Washington, CA (3.4 miles),
Cedar Ridge, CA (3.8 miles ),
), Latitude: 39.20 N, Longitude: 120.75 W
Area code commonly used in this area: 530
| Here: | 4.0% |
| California: | 5.1% |
- Construction (11.0%)
- Educational services (9.1%)
- Accommodation & food services (8.8%)
- Health care (8.5%)
- Professional, scientific, technical services (6.6%)
- Public administration (5.0%)
- Finance & insurance (3.8%)
- Construction (17.3%)
- Accommodation & food services (9.4%)
- Professional, scientific, technical services (6.3%)
- Educational services (5.2%)
- Public administration (4.9%)
- Computer & electronic products (4.3%)
- Health care (4.0%)
- Health care (14.3%)
- Educational services (14.2%)
- Accommodation & food services (7.9%)
- Professional, scientific, technical services (7.0%)
- Finance & insurance (6.1%)
- Public administration (5.1%)
- Real estate & rental & leasing (3.8%)
- Other management occupations, except farmers and farm managers (5.6%)
- Other sales and related occupations, including supervisors (5.3%)
- Sales representatives, services, wholesale and manufacturing (3.2%)
- Building and grounds cleaning and maintenance occupations (3.1%)
- Preschool, kindergarten, elementary, and middle school teachers (3.0%)
- Other office and administrative support workers, including supervisors (2.9%)
- Electrical equipment mechanics and other installation, maintenance, and repair workers, including supervisors (2.9%)
- Other management occupations, except farmers and farm managers (6.2%)
- Other sales and related occupations, including supervisors (5.2%)
- Electrical equipment mechanics and other installation, maintenance, and repair workers, including supervisors (5.0%)
- Driver/sales workers and truck drivers (4.7%)
- Sales representatives, services, wholesale and manufacturing (4.3%)
- Building and grounds cleaning and maintenance occupations (3.7%)
- Construction traders workers except carpenters, electricians, painters, plumbers, and construction laborers (3.3%)
- Other office and administrative support workers, including supervisors (5.9%)
- Other sales and related occupations, including supervisors (5.5%)
- Preschool, kindergarten, elementary, and middle school teachers (5.3%)
- Other management occupations, except farmers and farm managers (4.9%)
- Secretaries and administrative assistants (4.3%)
- Bookkeeping, accounting, and auditing clerks (4.2%)
- Information and record clerks, except customer service representatives (3.3%)
Average climate in Colfax-Summit, California
Based on data reported by over 4,000 weather stations
(lower is better)
Air Quality Index (AQI) level in 2023 was 91.3. This is worse than average.
| City: | 91.3 |
| U.S.: | 72.6 |
Nitrogen Dioxide (NO2) [ppb] level in 2010 was 3.53. This is significantly better than average. Closest monitor was 16.8 miles away from the city center.
| City: | 3.53 |
| U.S.: | 5.11 |
Ozone [ppb] level in 2023 was 38.8. This is about average. Closest monitor was 9.7 miles away from the city center.
| City: | 38.8 |
| U.S.: | 33.3 |
Particulate Matter (PM10) [µg/m3] level in 2006 was 16.3. This is about average. Closest monitor was 13.2 miles away from the city center.
| City: | 16.3 |
| U.S.: | 19.2 |
Particulate Matter (PM2.5) [µg/m3] level in 2023 was 6.13. This is better than average. Closest monitor was 16.8 miles away from the city center.
| City: | 6.13 |
| U.S.: | 8.11 |
Earthquake activity:
Colfax-Summit-area historical earthquake activity is significantly above California state average. It is 7205% greater than the overall U.S. average.On 4/18/1906 at 13:12:21, a magnitude 7.9 (7.9 UK, Class: Major, Intensity: VIII - XII) earthquake occurred 147.5 miles away from Colfax-Summit center, causing $524,000,000 total damage
On 10/3/1915 at 06:52:48, a magnitude 7.6 (7.6 UK) earthquake occurred 194.3 miles away from Colfax-Summit center
On 12/21/1932 at 06:10:09, a magnitude 7.2 (7.2 UK) earthquake occurred 151.1 miles away from the city center
On 10/18/1989 at 00:04:15, a magnitude 7.1 (6.5 MB, 7.1 MS, 6.9 MW, 7.0 ML) earthquake occurred 155.0 miles away from Colfax-Summit center, causing 62 deaths (62 shaking deaths) and 3757 injuries, causing $1,305,032,704 total damage
On 1/31/1922 at 13:17:28, a magnitude 7.6 (7.6 UK) earthquake occurred 275.2 miles away from the city center
On 4/25/1992 at 18:06:04, a magnitude 7.2 (6.3 MB, 7.1 MS, 7.2 MW, 7.1 MW, Depth: 9.4 mi) earthquake occurred 193.7 miles away from the city center, causing $75,000,000 total damage
Magnitude types: body-wave magnitude (MB), local magnitude (ML), surface-wave magnitude (MS), moment magnitude (MW)
Natural disasters:
The number of natural disasters in Placer County (17) is near the US average (15).Major Disasters (Presidential) Declared: 9
Emergencies Declared: 2
Causes of natural disasters: Floods: 10, Storms: 6, Fires: 4, Landslides: 4, Mudslides: 3, Winter Storms: 3, Drought: 1, Heavy Rain: 1, Hurricane: 1, Tornado: 1, Other: 1 (Note: some incidents may be assigned to more than one category).
Amtrak stations near Colfax-Summit:
- 14 miles: COLFAX (CHURCH ST. & SP TRACKS) . Services: partially wheelchair accessible, free short-term parking, free long-term parking.
- 16 miles: NEVADA CITY (301 SACRAMENTO ST.) - Bus Station . Services: fully wheelchair accessible, public payphones, snack bar, free short-term parking.
- 17 miles: GRASS VALLEY (125 E. MAIN ST.) - Bus Station . Services: fully wheelchair accessible, public payphones, full-service food facilities, call for taxi service, public transit connection.
Colleges/universities with over 2000 students nearest to Colfax-Summit:
- Sierra College (about 38 miles; Rocklin, CA; Full-time enrollment: 11,488)
- Folsom Lake College (about 43 miles; Folsom, CA; FT enrollment: 5,308)
- Yuba College (about 43 miles; Marysville, CA; FT enrollment: 4,737)
- American River College (about 50 miles; Sacramento, CA; FT enrollment: 20,452)
- Western Nevada College (about 52 miles; Carson City, NV; FT enrollment: 2,338)
- University of Nevada-Reno (about 55 miles; Reno, NV; FT enrollment: 15,092)
- Truckee Meadows Community College (about 57 miles; Reno, NV; FT enrollment: 6,919)
Points of interest:
Notable locations in Colfax-Summit: Sugar Pine Point (A), The Balloon (B), Alta Powerhouse (C), Brockway Guard Station (D), Drum Powerhouse (E), Dutch Flat Powerhouse (F), Old Schaeffer Mill (G), Silver Creek Campground (H), Sugar Bowl Ski Area (I), Watson Monument Emigrant Pass Marker (J), IDS Organization (K), Tunnel Mills Campground (L), Northstar-at-Tahoe Ski Area (M), Powder Bowl Ski Area (N), Deer Park Ski Area (O), Squaw Valley Ski Area (P), Alpine Meadows Ski Area (Q), Old Schaeffer Camp (R), New England Mills (S), Joerger Ranch (T). Display/hide their locations on the map
Cemeteries: Colfax Cemetery (1), Dutch Flat Cemetery (2). Display/hide their locations on the map
Lakes and reservoirs: Lake Estelle (A), Fisher Lake (B), Natalie Lake (C), Palisade Lake (D), Five Lakes (E), Warm Lake (F), Shirley Lake (G), Huntley Mill Lake (H). Display/hide their locations on the map
Streams, rivers, and creeks: Brush Creek (A), Cabin Creek (B), Campbell Creek (C), Coyote Creek (D), Deep Creek (E), Deer Creek (F), Donner Creek (G), Fulda Creek (H), Monumental Creek (I). Display/hide their locations on the map
Parks in Colfax-Summit include: Emigrant Gap Historical Marker (1), Deer Park (2). Display/hide their locations on the map
Average household size:
| This place: | 2.6 people |
| California: | 2.9 people |
Percentage of family households:
| This place: | 60.7% |
| Whole state: | 69.4% |
Percentage of households with unmarried partners:
| This place: | 6.0% |
| Whole state: | 5.9% |
Likely homosexual households (counted as self-reported same-sex unmarried-partner households)
- Lesbian couples: 0.3% of all households
- Gay men: 0.2% of all households
| This place: | 6.5% |
| Whole state: | 14.2% |
| This place: | 3.1% |
| Whole state: | 6.3% |
People in group quarters in Colfax-Summit in 2000:
- 73 people in other noninstitutional group quarters
- 65 people in college dormitories (includes college quarters off campus)
- 26 people in hospitals/wards and hospices for chronically ill
- 26 people in other hospitals or wards for chronically ill
- 9 people in homes or halfway houses for drug/alcohol abuse
For population 15 years and over in Colfax-Summit:
- Never married: 21.7%
- Now married: 62.8%
- Separated: 2.0%
- Widowed: 5.8%
- Divorced: 9.7%
For population 25 years and over in Colfax-Summit:
- High school or higher: 90.2%
- Bachelor's degree or higher: 27.9%
- Graduate or professional degree: 9.8%
- Unemployed: 4.4%
- Mean travel time to work (commute): 26.7 minutes
Education Gini index (Inequality in education)
| Here: | 9.6 |
| California average: | 16.1 |
Graphs represent county-level data. Detailed 2008 Election Results
Religion statistics for Colfax-Summit, CA (based on Placer County data)
| Religion | Adherents | Congregations |
|---|---|---|
| Evangelical Protestant | 58,135 | 153 |
| Catholic | 51,342 | 12 |
| Other | 17,462 | 57 |
| Mainline Protestant | 6,376 | 30 |
| Orthodox | 400 | 1 |
| None | 214,717 | - |
Food Environment Statistics:
Number of grocery stores: 55
| This county: | 1.66 / 10,000 pop. |
| State: | 2.14 / 10,000 pop. |
Number of supercenters and club stores: 2
| Placer County: | 0.06 / 10,000 pop. |
| California: | 0.04 / 10,000 pop. |
Number of convenience stores (no gas): 20
| Placer County: | 0.60 / 10,000 pop. |
| California: | 0.62 / 10,000 pop. |
Number of convenience stores (with gas): 74
| Placer County: | 2.23 / 10,000 pop. |
| California: | 1.49 / 10,000 pop. |
Number of full-service restaurants: 299
| This county: | 9.00 / 10,000 pop. |
| California: | 7.42 / 10,000 pop. |
Adult diabetes rate:
| This county: | 6.7% |
| California: | 7.3% |
Adult obesity rate:
| Here: | 17.6% |
| State: | 21.3% |
Low-income preschool obesity rate:
| Here: | 14.5% |
| California: | 17.9% |
9.43% of this county's 2021 resident taxpayers lived in other counties in 2020 ($99,508 average adjusted gross income)
| Here: | 9.43% |
| California average: | 5.19% |
0.03% of residents moved from foreign countries ($239 average AGI)
Placer County: 0.03% California average: 0.03%
Top counties from which taxpayers relocated into this county between 2020 and 2021:
| from Sacramento County, CA |  3.13% ($78,790 average AGI) |
| from Santa Clara County, CA | 0.63% ($170,329) |
| from Alameda County, CA | 0.47% ($150,099) |
8.04% of this county's 2020 resident taxpayers moved to other counties in 2021 ($95,121 average adjusted gross income)
| Here: | 8.04% |
| California average: | 6.14% |
0.03% of residents moved to foreign countries ($247 average AGI)
Placer County: 0.03% California average: 0.02%
Top counties to which taxpayers relocated from this county between 2020 and 2021:
| to Sacramento County, CA | 2.17% ($64,004 average AGI) |
| to Nevada County, CA | 0.33% ($77,272) |
| to El Dorado County, CA | 0.29% ($105,441) |
Strongest AM radio stations in Colfax-Summit:
- KNCO (830 AM; 5 kW; GRASS VALLEY, CA; Owner: NEVADA COUNTY BROADCASTERS, INC.)
- KFIA (710 AM; 25 kW; CARMICHAEL, CA; Owner: VISTA BROADCASTING INC.)
- KKOH (780 AM; 50 kW; RENO, NV; Owner: CITADEL BROADCASTING COMPANY)
- KFBK (1530 AM; 50 kW; SACRAMENTO, CA; Owner: AMFM RADIO LICENSES, L.L.C.)
- KAHI (950 AM; 10 kW; AUBURN, CA; Owner: IHR EDUCATIONAL BROADCASTING)
- KHTK (1140 AM; 50 kW; SACRAMENTO, CA; Owner: INFINITY RADIO SUBSIDIARY OPERATIONS INC.)
- KSTE (650 AM; 25 kW; RANCHO CORDOVA, CA; Owner: AMFM RADIO LICENSES, L.L.C.)
- KCBC (770 AM; 50 kW; RIVERBANK, CA; Owner: KIERTRON, INC.)
- KLIB (1110 AM; 10 kW; ROSEVILLE, CA; Owner: WAY BROADCASTING, INC.)
- KCBS (740 AM; 50 kW; SAN FRANCISCO, CA; Owner: INFINITY BROADCASTING OPERATIONS, INC.)
- KFSG (1690 AM; 10 kW; ROSEVILLE, CA; Owner: WAY BROADCASTING, INC.)
- KNBR (680 AM; 50 kW; SAN FRANCISCO, CA; Owner: KNBR LICO, INC.)
- KTRB (860 AM; 50 kW; MODESTO, CA; Owner: PAPPAS RADIO OF CALIFORNIA, A CALIFORNIA LIMITED PARTNERSHIP)
Strongest FM radio stations in Colfax-Summit:
- KVMR (89.5 FM; NEVADA CITY, CA; Owner: NEVADA CITY COMMUNITY BROADCAST GRUP)
- KLVS (99.3 FM; GRASS VALLEY, CA; Owner: EDUCATIONAL MEDIA FOUNDATION)
- KNCO-FM (94.1 FM; GRASS VALLEY, CA; Owner: NEVADA COUNTY BROADCASTERS, INC.)
- KTKE (101.5 FM; TRUCKEE, CA; Owner: TRUCKSTER BROADCASTING, INC.)
- KRNO (106.9 FM; INCLINE VILLAGE, NV; Owner: AMERICOM LAS VEGAS LIMITED PARTNERSHIP)
- KODS (103.7 FM; CARNELIAN BAY, CA; Owner: AMERICOM, A CALIFORNIA LIMITED PARTNERSHIP)
- KWYL (102.9 FM; SOUTH LAKE TAHOE, CA; Owner: CITADEL BROADCASTING COMPANY)
- KLCA (96.5 FM; TAHOE CITY, CA; Owner: AMERICOM LAS VEGAS LIMITED PARTNERSHIP)
- KKTO (90.5 FM; TAHOE CITY, CA; Owner: CALIFORNIA STATE UNIVERSITY)
- KDOT (104.5 FM; RENO, NV; Owner: LOTUS RADIO CORP.)
- KOZZ-FM (105.7 FM; RENO, NV; Owner: LOTUS RADIO CORP.)
- KTHX-FM (100.1 FM; DAYTON, NV; Owner: NM LICENSING, LLC)
- KXCL (103.9 FM; YUBA CITY, CA; Owner: HARLAN COMMUNICATIONS, INC.)
- KHGQ (100.3 FM; QUINCY, CA; Owner: KEILY MILLER)
- KSRN (107.7 FM; KINGS BEACH, CA; Owner: NM LICENSING, LLC)
- K285EQ (104.9 FM; VERDI, NV; Owner: AMERICOM, A CALIFORNIA LIMITED PARTNERSHIP)
- KBUL-FM (98.1 FM; CARSON CITY, NV; Owner: CITADEL BROADCASTING COMPANY)
- KNEV (95.5 FM; RENO, NV; Owner: CITADEL BROADCASTING COMPANY)
- KNIS (91.3 FM; CARSON CITY, NV; Owner: WESTERN INSPIRATIONAL BROADCASTERS, INC)
- KUNR (88.7 FM; RENO, NV; Owner: UNIVERSITY OF NEVADA, RENO)
TV broadcast stations around Colfax-Summit:
- KMMK-LP (Channel 14; SACRAMENTO, CA; Owner: CABALLERO TELEVISION TEXAS, L.L.C.)
- KEZT-CA (Channel 23; SACRAMENTO, CA; Owner: TELEFUTURA SACRAMENTO LLC)
- K16CX (Channel 16; GRASS VALLEY, CA; Owner: SIERRA JOINT JR. COLLEGE DISTRICT)
Houses and condos
Apartments
- 51.6%Bottled, tank, or LP gas
- 20.5%Wood
- 11.6%Electricity
- 9.9%Utility gas
- 3.3%Fuel oil, kerosene, etc.
- 2.8%Other fuel
- 0.1%No fuel used
- 40.8%Bottled, tank, or LP gas
- 24.7%Wood
- 22.2%Electricity
- 7.1%Utility gas
- 3.6%Other fuel
- 1.7%Fuel oil, kerosene, etc.
Colfax-Summit compared to California state average:
- Unemployed percentage significantly below state average.
- Black race population percentage significantly below state average.
- Hispanic race population percentage significantly below state average.
- Median age significantly above state average.
- Foreign-born population percentage significantly below state average.
- Renting percentage significantly below state average.
- Length of stay since moving in significantly above state average.
- Number of rooms per house significantly below state average.
- House age significantly below state average.
- Institutionalized population percentage significantly above state average.
Colfax-Summit on our top lists:
- #39 on the list of "Top 101 cities with largest percentage of females in occupations: therapists (population 5,000+)"
- #65 on the list of "Top 101 cities with largest percentage of males in industries: sporting goods, camera, and hobby and toy stores (population 5,000+)"
- #65 on the list of "Top 101 cities with the most residents born in Other Northern America (population 500+)"
- #75 on the list of "Top 101 cities with largest percentage of females in industries: building material and garden equipment and supplies dealers (population 5,000+)"
- #77 on the list of "Top 101 cities with largest percentage of females in occupations: social scientists and related workers (population 5,000+)"
- #85 on the list of "Top 101 cities with largest percentage of males in industries: fuel dealers (population 5,000+)"
- #88 on the list of "Top 101 cities with largest percentage of males in occupations: other transportation workers (population 5,000+)"
- #90 on the list of "Top 101 cities with largest percentage of females in occupations: other construction workers and helpers (population 5,000+)"
- #91 on the list of "Top 101 cities with largest percentage of females in occupations: supervisors of construction and extraction workers (population 5,000+)"
- #91 on the list of "Top 101 cities with largest percentage of males in industries: gasoline stations (population 5,000+)"
- #92 on the list of "Top 101 cities with largest percentage of females in occupations: printing workers (population 5,000+)"
- #11 on the list of "Top 101 counties with the highest lead air pollution readings in 2012 (µg/m3)"
- #19 on the list of "Top 101 counties with the lowest lead air pollution readings in 2012 (µg/m3)"
- #31 on the list of "Top 101 counties with the highest Nitrogen Dioxide air pollution readings in 2012 (ppm)"
- #32 on the list of "Top 101 counties with the lowest Particulate Matter (PM2.5) Annual air pollution readings in 2012 (µg/m3)"
- #48 on the list of "Top 101 counties with the lowest Particulate Matter (PM10) Annual air pollution readings in 2012 (µg/m3)"