The Town Files

Alta Sierra, California

Community in Nevada County · population 7,204 (2020 Census)

Map: where Alta Sierra is in CaliforniaAlta Sierra
Median home
$563,700
Household income
$105,603
Jan low / Jul high
33° / 88°
Snow a year
9 in
Tornadoes ≤10 mi since 1950
1
Median age
55.0

Alta Sierra is a community of 7,204 people in Nevada County, California. The median home is worth $563,700, below the typical California town ($596,900). It ranks better for families than 92% of California towns, better for retirees than 85% of California towns, quieter than 77% of California towns.

Alta Sierra in our rankings:

How Alta Sierra ranks

Percentile among California towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of California towns.

Alta Sierra lifestyle rankings vs other California townsRetirement85th pctFamilies92nd pctQuiet77th pctWalkability33rd pctFirst-time buyersbottomYoung professionals10th pctVibrancy34th pctHip & trendy69th pctCollege town77th pctUpscale63rd pctVacation homesbottomSeaside characterbottomCyclingbottomTransitbottomDriving21st pcttypical
The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025).

Homes and cost of living

The median home in Alta Sierra is worth $563,700, below the typical California town ($596,900). Homes cost about 5.3 times the median household income of $105,603, which is more affordable than 71% of California towns. Median rent is $2,254 a month. 87.0% of households own their home.

Alta Sierra vs Nevada County vs typical California townAlta SierraNevada CountyTypical California townHome value$563,700$621,800$596,900Household income$105,603$89,882$91,557Monthly rent$2,254$1,677$1,827
Census ACS 5-year estimates, 2020–2024. "Typical town" = median of California towns with 500+ people.
HousingAlta SierraTypical California town
Median home value$563,700$596,900
Median rent$2,254$1,827
Median household income$105,603$91,557
Home value ÷ income5.3×6.4×
Homeownership87.0%67.4%
Median year built19831977
Seasonal / vacation homes2.3%—

Who lives in Alta Sierra

PeopleAlta SierraTypical California town
Median age55.040.2
Age 65 and over29.3%17.7%
Under 1816.5%—
Bachelor's degree or higher39.0%27.7%
Below the poverty line6.3%10.3%
Veterans10.8%—
Born outside the U.S.4.6%—
Work from home27.8%13.4%
Average commute27.9 min27.5 min
Homes with broadband96.2%93.3%

Weather in Alta Sierra

July highs average 88.0°F and January lows 33.1°F. About 53.2 inches of rain and melted snow fall a year, with 8.6 inches of snow (typical California town: 0.0 in). Expect about 36 days a year at 90°F or hotter and 61 nights at or below freezing.

Alta Sierra monthly temperatures and precipitation30°40°50°60°70°80°90°32° freezing54°33°Jan55°34°Feb58°37°Mar63°40°Apr71°47°May80°53°Jun88°58°Jul87°57°Aug82°52°Sep72°44°Oct60°37°Nov53°33°DecPrecipitation (in) · snow (in) in blue9.30.79.03.08.23.04.40.52.50.70.00.10.42.65.50.210.51.2
NOAA 1991–2020 climate normals: average daily high and low by month; precipitation and snowfall in inches. Temperatures from the Grass Valley #2 station (5.5 mi away).

Tornadoes, storms and disasters

1 tornado has passed within 10 miles of Alta Sierra since 1950, compared with 2 for the typical California town. The strongest, an EF1, struck on October 22, 2012 about 2.4 miles from the town center. The most recent was on October 22, 2012.

Tornadoes within 10 miles of Alta Sierra by decade01950s01960s01970s01980s01990s02000s12010s02020s
NOAA Storm Events Database, tornado tracks (start to end point) passing within 10 miles of the town center, 1950–2026.

Hail of 1 inch or larger has been reported within 10 miles 1 times; the largest was 1.00 inches on October 1, 1972.

Severe weather in Nevada County since 1996

Storm events in Nevada County since 1996 by typeHail15Flood26Blizzard4Avalanche17Dense Fog5High Wind214Heavy Rain63Heavy Snow668
NOAA Storm Events Database, Nevada County, 1996–2026 (all event types recorded since 1996). 27 deaths recorded.

Nevada County has been included in 23 federal disaster or emergency declarations since 1953, most often for fire, flood, drought.

DeclaredIncidentDeclaration
April 3, 2023Severe StormDR-4699: Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, And Mudslides
March 10, 2023FloodEM-3592: Severe Winter Storms, Flooding, Landslides, And Mudslides
January 14, 2023FloodDR-4683: Severe Winter Storms, Flooding, Landslides, And Mudslides
August 24, 2021FireDR-4610: Wildfires
August 22, 2020FireDR-4558: Wildfires

Jobs and pay in Nevada County

Nevada County had 35,000 jobs in 2024, paying an average of $62,734 a year. Unemployment was 3.9% in 2023; in Alta Sierra itself the ACS puts it at 3.1%.

Largest industries in Nevada CountyHealth care & social assistan…5,176 jobs · $58,976Hotels & restaurants4,144 jobs · $32,463Retail4,123 jobs · $42,945Construction3,608 jobs · $76,968Other services2,169 jobs · $49,737Professional & technical serv…1,871 jobs · $93,437
BLS Quarterly Census of Employment and Wages, 2024, private-sector jobs and average annual pay.
Unemployment rate in Nevada County, 2000–20230%2%4%6%8%10%12%2000200420082012201620202023Nevada 3.9%
Annual average unemployment rate (BLS Local Area Unemployment Statistics via USDA ERS).

Towns near Alta Sierra

Alta Sierra questions

Is Alta Sierra, California a good place to retire?

On The Town Files lifestyle rankings, Alta Sierra scores better for retirees than 85% of California towns and quieter than 77%. 29.3% of residents are 65 or older (median age 55.0).

How much does a house cost in Alta Sierra?

The median owner-occupied home in Alta Sierra is valued at $563,700 (Census ACS 2020–2024), against a median household income of $105,603, so homes cost about 5.3 times income. Median rent is $2,254 a month.

What is the weather like in Alta Sierra?

July highs average 88.0°F and January lows 33.1°F (NOAA 1991–2020 normals). It gets about 53.2 inches of precipitation a year and 8.6 inches of snow.

Does Alta Sierra get tornadoes?

1 tornado has passed within 10 miles of Alta Sierra since 1950 (NOAA Storm Events); the strongest was an EF1 on October 22, 2012. The typical California town has had 2.

How this page is made. Every number comes from public data, matched to Alta Sierra's Census boundary (GEOID 0601360). Comparisons use the median of California towns with at least 500 people. Weather comes from the nearest NOAA normals station; storm counts use NOAA tornado tracks within 10 miles of the town center. Data snapshot 2026-11-12.