Last official estimated population of Santa Cruz County was 263,213 (year 2014)[1]. This was 0.083% of total US population and 0.7% of total California state population. Area of Santa Cruz County is 607.2 mi² (=1572.5 km²), in this year population density was 433.52 p/mi². If population growth rate would be same as in period 2010-2014 (+0.08%/yr), Santa Cruz County population in 2026 would be 265,722 [0].
Historical population of Santa Cruz County for period 1850-2014 [1] , [2] , [3]:
Estimated population for 2014[1]. Population density is in p./sq.mi [4]. Changes are for period 2010-2015. Value is %/year. Boundary lines are approx. 2012 [5]. Click on flag to hide it.
Population • Density • Changes • Legends • Position

[1850-1860] +22.63 %/yr
[1860-1870] +5.87 %/yr
[1870-1880] +3.89 %/yr
[1880-1890] +4.17 %/yr
[1890-1900] +1.11 %/yr
[1900-1910] +1.97 %/yr
[1910-1920] +0.05 %/yr
[1920-1930] +3.61 %/yr
[1930-1940] +1.87 %/yr
[1940-1950] +3.97 %/yr
[1950-1960] +2.39 %/yr
[1960-1970] +3.93 %/yr
[1970-1980] +4.27 %/yr
[1980-1990] +2.02 %/yr
[1990-2000] +1.07 %/yr
[2000-2005] -0.33 %/yr
[2005-2010] +0.86 %/yr
[2010-2014] +0.08 %/yr
Looking for settlements in Santa Cruz County? Visit this page: Settlements in Santa Cruz County, CA
Population of Santa Cruz County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 7752 | 7413 | 15,165 |
| 5 to 9 | 7789 | 7441 | 15,230 |
| 10 to 14 | 7701 | 7278 | 14,979 |
| 15 to 19 | 10908 | 11362 | 22,270 |
| 20 to 24 | 14692 | 14150 | 28,842 |
| 25 to 29 | 8482 | 7640 | 16,122 |
| 30 to 34 | 8399 | 8171 | 16,570 |
| 35 to 39 | 8005 | 7941 | 15,946 |
| 40 to 44 | 8305 | 7987 | 16,292 |
| 45 to 49 | 8444 | 8588 | 17,032 |
| 50 to 54 | 9255 | 9435 | 18,690 |
| 55 to 59 | 9454 | 10039 | 19,493 |
| 60 to 64 | 9158 | 9391 | 18,549 |
| 65 to 69 | 6983 | 7114 | 14,097 |
| 70 to 74 | 3931 | 4430 | 8,361 |
| 75 to 79 | 2374 | 2786 | 5,160 |
| 80 to 84 | 1541 | 2314 | 3,855 |
| 85+ | 1693 | 3458 | 5,151 |
Santa Cruz County resident population estimates by Sex, Race, and Hispanic Origin[1b]. For full list of abbrevations see: population.us/about page.
| Race | Male | Female | Total |
| WAC | 123479 | 125143 | 248,622 |
| WA | 118488 | 119950 | 238,438 |
| NH | 89409 | 92082 | 181,491 |
| NHWAC | 81613 | 83670 | 165,283 |
| NHWA | 78199 | 79957 | 158,156 |
| H | 45457 | 44856 | 90,313 |
| HWAC | 41866 | 41473 | 83,339 |
| HWA | 40289 | 39993 | 80,282 |
| AAC | 8671 | 9885 | 18,556 |
| NHAAC | 7318 | 8579 | 15,897 |
| AA | 5997 | 7093 | 13,090 |
| NHAA | 5237 | 6338 | 11,575 |
| TOM | 5404 | 5617 | 11,021 |
| IAC | 4501 | 4365 | 8,866 |
| NHTOM | 3703 | 3997 | 7,700 |
| BAC | 3383 | 3009 | 6,392 |
| HIAC | 2943 | 2706 | 5,649 |
| IA | 2525 | 2314 | 4,839 |
| NHBAC | 2408 | 2037 | 4,445 |
| BA | 2196 | 1727 | 3,923 |
| HIA | 1980 | 1796 | 3,776 |
| HTOM | 1701 | 1620 | 3,321 |
| NHIAC | 1558 | 1659 | 3,217 |
| NHBA | 1557 | 1117 | 2,674 |
| HAAC | 1353 | 1306 | 2,659 |
| HBAC | 975 | 972 | 1,947 |
| NAC | 763 | 772 | 1,535 |
| HAA | 760 | 755 | 1,515 |
| HBA | 639 | 610 | 1,249 |
| NHNAC | 529 | 558 | 1,087 |
| NHIA | 545 | 518 | 1,063 |
| NA | 256 | 237 | 493 |
| HNAC | 234 | 214 | 448 |
| NHNA | 168 | 155 | 323 |
| HNA | 88 | 82 | 170 |
• Santa Clara County population
22.6 mi,
50°
• Alameda County
44.2 mi,
6°
• Contra Costa County
62.7 mi,
2°
• San Francisco County
74.9 mi,
311°
• San Mateo County
34.3 mi,
324°
• San Joaquin County
75.4 mi,
32°
• Stanislaus County
67 mi,
55°
• Monterey County
65.7 mi,
144°
• Merced County
71.9 mi,
79°
• San Benito County
58.1 mi,
118°
[0] Calculated by population.us from last known population growth rate, not official data.
[1] County population - 2014, archived from the original, retrieved 02/23/2016
[1b] Annual County Resident Population Estimates by Age, Sex, Race, and Hispanic Origin, (used only data for 2014) archived from the original, retrieved 02/23/2016
[2] County population - 2000-2010, archived from the original, retrieved 02/23/2016
[3] Population of States and Counties of the United States: 1790 to 1992, PDF, 15 Mb, census.gov, retrieved 02/23/2016
[4] County area, latitude longitude data, retrieved 02/23/2016
[5] County boundaries, CSV files on boundaries.us, retrived 03/18/2016
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