Demographics of Lompoc city, California

Lompoc city, California had 43,315 people on July 1, 2025, by the Census Bureau’s estimate: −1,073 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Lompoc city, in four figures

43,315
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 43,646 ±45.; −2.4%
Change since July 2020: −1,073 people.; 35.1 ±1.4
Median age: ACS 2020–⁠2024.; $72,004 ±$6,755
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.

Lompoc city, California's population shrank 2.4% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Lompoc 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).

U.S. Census Bureau — Census Bureau population estimates — incorporated places and New England towns

About this chart

The figures

Lompoc city, California's population shrank 2.4% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Lompoc 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	44,388	100.0	100.0
2021	43,352	97.7	100.2
2022	44,382	100.0	100.7
2023	43,224	97.4	101.6
2024	43,522	98.0	102.5
2025	43,315	97.6	103.1

Population of Lompoc city, California on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	44,388	—
2021	43,352	−1,036
2022	44,382	+1,030
2023	43,224	−1,158
2024	43,522	+298
2025	43,315	−207

Age, 2020–2024

The median age is 35.1 ±1.4: for men 35.9 ±1.6 and for women 34.0 ±1.9. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Lompoc city by age, ACS 2020–2024
Age	People	Share	California	United States
Under 5	2,989 ±475	6.8% ±1.1	5.5% ±<0.1	5.6% ±<0.1
5 to 17	8,406 ±798	19.3% ±1.8	16.5% ±<0.1	16.3% ±<0.1
18 to 24	4,352 ±592	10.0% ±1.4	9.1% ±<0.1	9.1% ±<0.1
25 to 44	12,467 ±821	28.6% ±1.9	28.7% ±<0.1	26.9% ±<0.1
45 to 64	9,760 ±700	22.4% ±1.6	24.6% ±<0.1	24.8% ±<0.1
65 and over	5,672 ±505	13.0% ±1.2	15.7% ±<0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $72,004 ±$6,755, and income per person $29,775 ±$2,099, 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 Lompoc city by income, ACS 2020–2024
Household income	Households	Share	California	United States
Under $25,000	2,331 ±459	16.4% ±3.2	12.5% ±0.1	14.6% ±<0.1
$25,000 to $49,999	3,024 ±474	21.3% ±3.3	13.3% ±0.1	16.7% ±<0.1
$50,000 to $74,999	2,039 ±296	14.4% ±2.0	13.0% ±0.1	15.5% ±<0.1
$75,000 to $99,999	1,968 ±303	13.9% ±2.1	11.6% ±0.1	12.6% ±<0.1
$100,000 to $149,999	2,668 ±380	18.8% ±2.6	17.8% ±0.1	17.5% ±<0.1
$150,000 to $199,999	1,205 ±253	8.5% ±1.8	11.3% ±0.1	9.6% ±<0.1
$200,000 or more	964 ±204	6.8% ±1.4	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 Lompoc city by age, ACS 2020–2024
Age	Below poverty	Rate	California	United States
All ages	7,017 ±1,334	17.3% ±3.3	12.0% ±0.1	12.5% ±0.1
Under 18	2,977 ±636	26.5% ±5.0	15.0% ±0.1	16.1% ±0.1
18 to 59	3,053 ±603	13.8% ±2.6	11.0% ±0.1	11.6% ±0.1
60 and over	987 ±210	13.6% ±2.6	11.5% ±0.1	11.0% ±<0.1

Housing, 2020–2024

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Housing in Lompoc city, ACS 2020–2024
Measure	Lompoc city	California	United States
Housing units	14,850 ±427	14,644,735 ±1,665	143,775,355 ±10,234
Occupied	95.6% ±0.4	92.5% ±0.1	89.9% ±0.1
Vacant	4.4% ±1.1	7.5% ±0.1	10.1% ±0.1
Owner occupied	49.0% ±3.2	55.9% ±0.3	65.2% ±0.3
Renter occupied	51.0% ±2.6	44.1% ±0.2	34.8% ±0.1
Median home value	$472,900 ±$13,184	$734,700 ±$1,307	$332,700 ±$236
Median gross rent	$1,589 ±$63	$2,036 ±$5	$1,413 ±$2
Median year built	1976 ±2	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 Lompoc city by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	California	United States
Hispanic or Latino	27,650 ±893	63.4% ±2.0	40.2% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	11,500 ±899	26.3% ±2.1	33.8% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	1,271 ±293	2.9% ±0.7	5.2% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	1,588 ±478	3.6% ±1.1	15.3% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	105 to 311	0.2% to 0.7%	0.3% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 29	0% to 0.1%	0.3% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	29 to 165	0.1% to 0.4%	0.6% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	1,332 ±341	3.1% ±0.8	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 Lompoc city by place of birth and citizenship, ACS 2020–2024
Born	People	Share	California	United States
Born in the state	25,986 ±918	59.5% ±2.1	56.5% ±0.1	57.3% ±<0.1
Born in another state	6,448 ±691	14.8% ±1.6	15.0% ±0.1	26.9% ±<0.1
Born a citizen outside the states	636 ±226	1.5% ±0.5	1.5% ±<0.1	1.7% ±<0.1
Born abroad	10,576 ±1,003	24.2% ±2.3	27.0% ±0.1	14.1% ±<0.1
Naturalized citizens	3,801 ±484	8.7% ±1.1	14.7% ±0.1	7.4% ±<0.1
Not citizens	6,775 ±914	15.5% ±2.1	12.3% ±0.1	6.8% ±<0.1

Lompoc city among the places of California

211th 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 Lompoc city in population, ACS 2020–2024
Place	ACS 2020–⁠2024
Palm Springs city	45,070 ±122
Rohnert Park city	44,575 ±57
El Centro city	44,240 ±41
Hollister city	43,811 ±28
Vineyard CDP	43,751 ±2,506
Lompoc city	43,646 ±45
Danville town	43,401 ±79
Coachella city	43,307 ±44
Campbell city	42,781 ±42
San Bruno city	42,307 ±47
Altadena CDP	41,705 ±2,203

Elsewhere on the site

Reported crime in Lompoc city, California

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

Data retrieved September 25, 2026