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Ridgemark, CA

Full City Profile · California · San Benito County County

3.1 /5.0
B Good
3,051 Population 1,187/sq mi density
$127,117 Median Income $67,897 per capita
$820,900 Home Value $759,483 Zillow
$3,255 Median Rent 24.3% income on rent
59°F Avg Temperature 330 sunny days/yr
368 Violent Crime/100K 1,347 property/100K
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.7 / 5.0
$127,117 median income, 3.9% unemployment
B
Affordability
3.0 / 5.0
$820,900 home value, $3,255/mo rent
F
Safety
1.0 / 5.0
368 violent crimes/100K
B+
Education
3.7 / 5.0
34.0% bachelor's degree or higher
Ridgemark enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 49°F in January while summers reach 67°F in July. The area gets 330 sunny days per year. Annual precipitation totals 13.7 inches. The area receives 0.1 inches of snow annually. Air quality is rated Good with a median AQI of 48.

Temperature

49°F Jan (10°C) 67°F Jul (19°C)
Annual Average58.6°F
9% above US avg
January Average49°F (10°C)
July Average67°F (19°C)
Sunny Days330 days/yr

Geography

Elevation518 ft (158 m)
Area2.6 sq mi (6.7 km²)
Population Density1,187/sq mi
Coordinates36.8082°N, 121.3623°W
TimezoneAmerica/Los_Angeles
CountySan Benito County County
Nearest AirportMonterey Regional (MRY)
31 miles away

Precipitation & Snow

Annual Rainfall 13.7"
64% below US avg
Snowfall 0.1"
Wettest Month (Jan) 3.98"
Driest Month (Jul) 0.08"

Air Quality

AQI Median48.0
RatingGood

Air Pollutants (EPA 2023)

Ozone (O₃)0.0408 ppm
PM2.5 (Fine Particles)4.1 μg/m³

Natural Hazard Risk

Overall RiskRelatively Moderate
Risk Score85.2 / 100
Social Vulnerability10.6 / 100
Community Resilience56.0 / 100

Hazard Breakdown

Tornado Very Low
Earthquake Relatively Moderate
Wildfire Relatively Moderate
Flood Relatively Low
Hail Very Low
Strong Wind Very Low
Heat Wave Relatively Low
Winter Weather Very Low
Lightning Very Low
Drought Relatively High
Cold Wave No Rating
Landslide Relatively Moderate
Avalanche Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

5,484 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.0. Most recent: M2.6 on Aug 24, 2025.

Sep 28, 2004 2004 Parkfield, California Earthquake M6.0 142 km
Apr 18, 1990 5 km NNW of Aromas, California M5.4 30 km
Oct 21, 2012 24 km NE of San Lucas, California M5.3 72 km
Sep 17, 1991 22 km NW of San Simeon, California M5.2 111 km
Aug 12, 1998 10 km SW of Ridgemark, California M5.1 11 km
Apr 18, 1990 4 km E of Interlaken, California M5.1 33 km
Sep 29, 2004 8 km NW of Parkfield, California M5.0 122 km
Jan 16, 1993 9 km E of Gilroy, California M4.9 25 km
Dec 20, 1994 3 km NW of Parkfield, California M4.9 128 km
Apr 23, 1995 22 km NNE of Soledad, California M4.9 27 km
May 14, 2002 5 km SSW of Gilroy, California M4.9 27 km
Apr 18, 1990 4 km NNW of Aromas, California M4.9 30 km
Apr 19, 1996 2 km E of Aromas, California M4.9 24 km
Sep 30, 2004 13 km NW of Parkfield, California M4.9 117 km
Nov 14, 1993 8 km NW of Parkfield, California M4.8 123 km
Sep 28, 2004 12 km SE of Parkfield, California M4.7 144 km
May 21, 1996 8 km ESE of East Foothills, California M4.7 69 km
Feb 4, 1991 33 km SE of Big Sur, California M4.7 88 km
Apr 18, 1990 4 km N of Aromas, California M4.7 28 km
Aug 11, 1993 14 km ESE of Alum Rock, California M4.7 63 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

50 tornadoes (EF0+) within 100 km since 1950. Strongest: EF2. Total: 11 injuries.

Date Rating Distance Fatalities
May 5, 1998 EF2 86 km 0
Mar 11, 1985 EF2 6 km 0
Apr 27, 1953 EF2 99 km 0
Jan 11, 1951 EF2 92 km 0
Dec 14, 2024 EF1 65 km 0
Nov 15, 2015 EF1 94 km 0
Apr 14, 2006 EF1 99 km 0
Dec 16, 2002 EF1 95 km 0
Dec 20, 2001 EF1 41 km 0
May 5, 1998 EF1 93 km 0
Feb 14, 1998 EF1 79 km 0
Nov 22, 1996 EF1 100 km 0
Dec 6, 1992 EF1 57 km 0
Dec 6, 1992 EF1 52 km 0
Jan 14, 1980 EF1 88 km 0
Mar 4, 1978 EF1 82 km 0
Apr 22, 1967 EF1 63 km 0
Apr 22, 1967 EF1 63 km 0
Apr 1, 1965 EF1 43 km 0
Apr 1, 1958 EF1 90 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Tsunami History

6 tsunamis recorded within 500 km. Highest wave on record: 4.5 m (15 ft).

Year Location Cause Max Wave Deaths Distance
1868 N. CALIFORNIA Eruption + Earthquake 4.5 m 30 119 km
1989 N. CALIFORNIA Earthquake 1.0 m 62 53 km
1856 N. CALIFORNIA Eruption + Earthquake 0.6 m 113 km
1906 N. CALIFORNIA Eruption + Earthquake 0.1 m 141 km
1901 MONTEREY BAY, N. CALIFORNIA Eruption + Earthquake 119 km
1865 N. CALIFORNIA Eruption + Earthquake 65 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Wildfire History

20 wildfires (100+ acres) within 100 km. Largest: SCU LIGHTNING COMPLEX (405,787 ac, 2020).

Year Name Acres Distance
2020 SCU LIGHTNING COMPLEX 405,787 77 km
2008 BASIN COMPLEX 164,537 69 km
2016 SOBERANES 131,921 62 km
2020 DOLAN 124,382 82 km
2020 CZU AUG LIGHTNING 85,894 85 km
2008 BASIN COMPLEX (INDIANS) 59,095 75 km
1985 GORDA-RAT 52,474 83 km
2020 RIVER 51,582 40 km
2007 LICK 47,424 47 km
1999 KIRK COMPLEX (HARE) 43,054 84 km
1985 CHERRY 41,654 85 km
2005 UNNAMED 39,070 98 km
2006 CANYON 36,851 61 km
1999 KIRK COMPLEX (FIVE) 36,162 63 km
1996 WILD 24,439 95 km
1984 UNNAMED 23,122 98 km
1985 LOSGATOSIV 20,357 84 km
1996 UNNAMED 19,243 97 km
2024 BOONE 17,701 99 km
2003 ANNIE 17,383 48 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 49°F (10°C) 4.0 in Wettest
February 49°F (9°C) 3.4 in
March 51°F (10°C) 3.2 in
April 54°F (12°C) 1.7 in
May 58°F (14°C) 0.3 in
June 63°F (17°C) 0.1 in
July 67°F (19°C) 0.1 in Driest
August 69°F (20°C) 0.1 in Warmest
September 67°F (19°C) 0.3 in
October 62°F (17°C) 0.9 in
November 53°F (12°C) 3.0 in
December 47°F (9°C) 3.3 in Coldest

Ridgemark has a seasonal temperature swing of 22°F / from 47°F in December to 69°F in August. Total annual precipitation is 20.4 inches, with January being the wettest month (4.0") and July the driest (0.1").

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