Lompoc Population

1880–2026

43,098

2026 projection

3% since 2020 (decrease)

010K20K30K40K50K18801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Lompoc. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202643,098-2170.50%
202543,315-2070.48%
202443,522+2980.69%
202343,224-1,1582.61%
202244,382+1,0302.38%
202143,352-1,0922.46%
202044,444+150.03%
201944,429+2190.50%
201844,210-3830.86%
201744,593-1430.32%

Showing 10 of 30 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Lompoc has a population change lower than Santa Barbara County, California, and the U.S.

  • United States+3.1%
  • California−0.4%
  • Santa Barbara County−1.4%
  • Lompoc−2.4%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Lompoc Demographics

35.1median age

Median age

Female34 yrs
Male35.9 yrs

Adults

32,251
5,672 seniors (65+) · 18% of adults26,579 other adults

Sex

Female 47.6% · 20,767Male 52.4% · 22,879

Population by age

MaleFemale85+ years, male: 24485+ years, female: 40080–84 years, male: 26080–84 years, female: 38775–79 years, male: 47375–79 years, female: 46870–74 years, male: 59570–74 years, female: 67665–69 years, male: 1,04065–69 years, female: 1,12960–64 years, male: 1,17260–64 years, female: 85255–59 years, male: 1,23055–59 years, female: 1,40250–54 years, male: 1,33550–54 years, female: 1,03045–49 years, male: 1,58745–49 years, female: 1,15240–44 years, male: 2,02540–44 years, female: 1,62235–39 years, male: 1,90035–39 years, female: 93330–34 years, male: 1,92930–34 years, female: 1,44425–29 years, male: 1,46125–29 years, female: 1,15320–24 years, male: 1,62520–24 years, female: 1,55915–19 years, male: 1,19215–19 years, female: 1,54910–14 years, male: 1,59410–14 years, female: 1,9695–9 years, male: 1,9935–9 years, female: 1,2770–4 years, male: 1,2240–4 years, female: 1,76585+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K1.5K1.5K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 436 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Lompoc Income

$72,004median household income

Median household income

$72,004

Half of households earn more, half earn less

Median earnings

$42,584

Typical yearly pay for a worker 25 or older.

Poverty rate

17.3%

About 1 in 6 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Lompoc Marital Status

42% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married42%41%43%
Never married40%46%34%
Divorced11%8%14%
Widowed5%3%7%
Separated2%3%2%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201

Sources

14 sources

Population

American Community Survey, 2024 5-year

Additional sources