Demographics of Grass Valley city, California

Grass Valley city, California had 14,035 people on July 1, 2025, by the Census Bureau’s estimate: −47 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Grass Valley city, in four figures

14,035
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 14,113 ±25.; −0.3%
Change since July 2020: −47 people.; 49.6 ±3.3
Median age: ACS 2020–⁠2024.; $51,764 ±$6,128
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. The Bureau publishes no births, deaths or migration for a place, so the change is the difference between one July estimate and the next.

Grass Valley city, California's population shrank 0.3% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Grass Valley city, California's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

Source: The Census Bureau

About this chart

The figures

Grass Valley city, California's population shrank 0.3% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Grass Valley city, California's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	14,082	100.0	100.0
2021	14,232	101.1	100.2
2022	14,102	100.1	100.7
2023	14,090	100.1	101.6
2024	14,093	100.1	102.5
2025	14,035	99.7	103.1

Population of Grass Valley city, California on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	14,082	—
2021	14,232	+150
2022	14,102	−130
2023	14,090	−12
2024	14,093	+3
2025	14,035	−58

Age, 2020–2024

The median age is 49.6 ±3.3: for men 38.2 ±5.3 and for women 56.4 ±5.9. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Grass Valley city by age, ACS 2020–2024
Age	People	Share	California	United States
Under 5	666 ±203	4.7% ±1.4	5.5% ±<0.1	5.6% ±<0.1
5 to 17	1,919 ±390	13.6% ±2.8	16.5% ±<0.1	16.3% ±<0.1
18 to 24	847 ±324	6.0% ±2.3	9.1% ±<0.1	9.1% ±<0.1
25 to 44	2,983 ±489	21.1% ±3.5	28.7% ±<0.1	26.9% ±<0.1
45 to 64	3,215 ±544	22.8% ±3.9	24.6% ±<0.1	24.8% ±<0.1
65 and over	4,483 ±623	31.8% ±4.4	15.7% ±<0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $51,764 ±$6,128, and income per person $34,640 ±$2,634, in 2024 dollars. The median is $99,122 ±$310 in California and $80,734 ±$166 in the United States.

Households by income

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Households in Grass Valley city by income, ACS 2020–2024
Household income	Households	Share	California	United States
Under $25,000	1,937 ±504	28.6% ±7.2	12.5% ±0.1	14.6% ±<0.1
$25,000 to $49,999	1,257 ±307	18.6% ±4.4	13.3% ±0.1	16.7% ±<0.1
$50,000 to $74,999	1,264 ±429	18.7% ±6.2	13.0% ±0.1	15.5% ±<0.1
$75,000 to $99,999	714 ±195	10.5% ±2.8	11.6% ±0.1	12.6% ±<0.1
$100,000 to $149,999	981 ±283	14.5% ±4.1	17.8% ±0.1	17.5% ±<0.1
$150,000 to $199,999	250 ±97	3.7% ±1.4	11.3% ±0.1	9.6% ±<0.1
$200,000 or more	366 ±158	5.4% ±2.3	20.5% ±0.1	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Grass Valley city by age, ACS 2020–2024
Age	Below poverty	Rate	California	United States
All ages	2,994 ±626	22.1% ±4.6	12.0% ±0.1	12.5% ±0.1
Under 18	865 ±287	34.2% ±9.4	15.0% ±0.1	16.1% ±0.1
18 to 59	1,250 ±364	20.6% ±5.6	11.0% ±0.1	11.6% ±0.1
60 and over	879 ±256	17.8% ±4.6	11.5% ±0.1	11.0% ±<0.1

Housing, 2020–2024

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Housing in Grass Valley city, ACS 2020–2024
Measure	Grass Valley city	California	United States
Housing units	7,281 ±446	14,644,735 ±1,665	143,775,355 ±10,234
Occupied	93.0% ±2.5	92.5% ±0.1	89.9% ±0.1
Vacant	7.0% ±3.2	7.5% ±0.1	10.1% ±0.1
Owner occupied	40.2% ±5.8	55.9% ±0.3	65.2% ±0.3
Renter occupied	59.8% ±4.9	44.1% ±0.2	34.8% ±0.1
Median home value	$482,200 ±$39,059	$734,700 ±$1,307	$332,700 ±$236
Median gross rent	$1,458 ±$160	$2,036 ±$5	$1,413 ±$2
Median year built	1978 ±3	1976 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Grass Valley city by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	California	United States
Hispanic or Latino	1,220 ±413	8.6% ±2.9	40.2% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	11,317 ±508	80.2% ±3.6	33.8% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	0 to 144	0% to 1.0%	5.2% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	61 to 241	0.4% to 1.7%	15.3% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 46	< 0.1% to 0.3%	0.3% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 21	0% to 0.1%	0.3% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 208	0% to 1.5%	0.6% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	1,252 ±406	8.9% ±2.9	4.4% ±<0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Grass Valley city by place of birth and citizenship, ACS 2020–2024
Born	People	Share	California	United States
Born in the state	9,283 ±728	65.8% ±5.2	56.5% ±0.1	57.3% ±<0.1
Born in another state	3,444 ±577	24.4% ±4.1	15.0% ±0.1	26.9% ±<0.1
Born a citizen outside the states	50 to 348	0.4% to 2.5%	1.5% ±<0.1	1.7% ±<0.1
Born abroad	1,187 ±473	8.4% ±3.4	27.0% ±0.1	14.1% ±<0.1
Naturalized citizens	248 to 1,010	1.8% to 7.2%	14.7% ±0.1	7.4% ±<0.1
Not citizens	558 ±256	4.0% ±1.8	12.3% ±0.1	6.8% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Grass Valley city among the places of California

415th of 661 places of 5,000 or more by the survey’s 2020–2024 count. Every one is listed on the California page.

Places of California near Grass Valley city in population, ACS 2020–2024
Place	ACS 2020–⁠2024
California City city	14,414 ±40
McFarland city	14,222 ±23
Susanville city	14,177 ±33
Los Osos CDP	14,166 ±1,061
Cherryland CDP	14,143 ±1,273
Grass Valley city	14,113 ±25
Mill Valley city	14,012 ±26
Isla Vista CDP	13,920 ±1,069
Salida CDP	13,900 ±1,379
Auburn city	13,768 ±35
Oak Park CDP	13,757 ±1,242

Rankings this appears in

No. 8 Places in California by poverty rate
No. 11 Places in California by median age
No. 167 Places by median age
No. 354 Places in California by per capita income
No. 372 Places in California by median rent
No. 388 Places in California by median home value

Sources

Census Bureau population estimates — incorporated places and New England towns — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Compiled automatically from Census Bureau population estimates — incorporated places and New England towns and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026