City in Humboldt County, California · 9.4 sq mi · 2,021 people per sq mi
About 19,000 people live in Arcata. The typical household earns $46,713, and the median resident is 28.1 years old.
2026 projection
From 18,838 in 2020
Poverty rate 27.2%
Men 28.9 · Women 27.4
1880–2026
19,029
2026 projection
1% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
1880–2026
19,029
2026 projection
1% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 19,029 | -18 | 0.09% |
|---|---|---|---|
| 2025 | 19,047 | +279 | 1.49% |
| 2024 | 18,768 | -258 | 1.36% |
| 2023 | 19,026 | +397 | 2.13% |
| 2022 | 18,629 | +860 | 4.84% |
| 2021 | 17,769 | -1,069 | 5.67% |
| 2020 | 18,838 | +492 | 2.68% |
| 2019 | 18,346 | -28 | 0.15% |
| 2018 | 18,374 | +77 | 0.42% |
| 2017 | 18,297 | +82 | 0.45% |
Showing 10 of 30 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 186 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
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 4 residents
23% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 23% | 24% | 22% |
| Never married | 64% | 68% | 61% |
| Divorced | 9% | 6% | 12% |
| Widowed | 3% | 1% | 5% |
| Separated | 1% | 1% | 1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau