San Francisco County, CA Demographics
San Francisco County, CA is the 12th most populous of 58 counties in California, with 873,965 residents across 47 square miles. That is about 18,700 people per square mile.
At the 2020 census
| Population | 873,965 |
|---|---|
| Land area | 47 sq mi |
| Density | 18,700 / sq mi |
Data: 2020 Census · American Community Survey 2024
How San Francisco County compares to the US
We're computing this county's comparison table — check back shortly. Population, land area, and density above are already exact.
Central Location: San Francisco County, CA
Measured from the county's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around San Francisco County, CA — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Census tracts in San Francisco County, CA
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Census Tract 607.01 | 8,610 | 0.5 | 18,303 |
| Census Tract 353 | 7,360 | 0.4 | 16,985 |
| Census Tract 261 | 6,890 | 0.3 | 23,755 |
| Census Tract 307 | 6,859 | 0.6 | 12,449 |
| Census Tract 309 | 6,707 | 0.7 | 9,233 |
| Census Tract 354 | 6,696 | 0.4 | 16,824 |
| Census Tract 327 | 6,472 | 0.3 | 19,844 |
| Census Tract 311 | 6,305 | 0.4 | 15,234 |
| Census Tract 303.01 | 6,076 | 0.3 | 20,877 |
| Census Tract 312.01 | 6,064 | 0.2 | 30,624 |
| Census Tract 308 | 5,898 | 0.5 | 12,290 |
| Census Tract 607.03 | 5,680 | 0.1 | 42,433 |
| Census Tract 313.02 | 5,673 | 0.3 | 21,424 |
| Census Tract 260.01 | 5,553 | 0.2 | 35,312 |
| Census Tract 402 | 5,539 | 0.2 | 26,993 |
| Census Tract 176.03 | 5,518 | 0.1 | 57,476 |
| Census Tract 301.02 | 5,500 | 0.5 | 11,304 |
| Census Tract 427 | 5,496 | 0.2 | 34,770 |
| Census Tract 256 | 5,482 | 0.2 | 24,595 |
| Census Tract 230.01 | 5,412 | 0.3 | 21,039 |
| Census Tract 476 | 5,302 | 0.2 | 25,852 |
| Census Tract 352.01 | 5,288 | 0.4 | 14,574 |
| Census Tract 304 | 5,269 | 0.4 | 14,034 |
| Census Tract 215 | 5,237 | 0.2 | 28,594 |
| Census Tract 165 | 5,171 | 0.1 | 36,153 |
| Census Tract 252 | 5,164 | 0.3 | 20,356 |
| Census Tract 451 | 5,048 | 0.1 | 34,007 |
| Census Tract 610 | 5,044 | 0.8 | 6,003 |
| Census Tract 329.01 | 5,015 | 0.3 | 19,331 |
| Census Tract 226 | 5,001 | 0.5 | 10,119 |
| Census Tract 232 | 4,987 | 0.3 | 15,079 |
| Census Tract 228.01 | 4,956 | 0.2 | 22,205 |
| Census Tract 231.03 | 4,901 | 0.5 | 10,186 |
| Census Tract 260.03 | 4,890 | 0.2 | 31,085 |
| Census Tract 157.01 | 4,882 | 0.2 | 26,386 |
| Census Tract 167 | 4,835 | 0.2 | 25,520 |
| Census Tract 263.01 | 4,761 | 0.1 | 33,531 |
| Census Tract 263.02 | 4,760 | 0.3 | 16,420 |
| Census Tract 180 | 4,758 | 0.4 | 13,201 |
| Census Tract 178.04 | 4,752 | 0.1 | 38,427 |
| Census Tract 257.01 | 4,716 | 0.2 | 19,942 |
| Census Tract 263.03 | 4,632 | 0.2 | 28,072 |
| Census Tract 159 | 4,630 | 0.1 | 40,570 |
| Census Tract 301.01 | 4,592 | 0.1 | 33,988 |
| Census Tract 108 | 4,573 | 0.1 | 52,390 |
| Census Tract 257.02 | 4,551 | 0.2 | 22,096 |
| Census Tract 204.02 | 4,547 | 0.2 | 19,943 |
| Census Tract 259 | 4,537 | 0.3 | 16,971 |
| Census Tract 302.02 | 4,507 | 0.1 | 32,733 |
| Census Tract 125.02 | 4,482 | 0.0 | 189,446 |
| Census Tract 132 | 4,464 | 0.2 | 21,149 |
| Census Tract 615.06 | 4,452 | 0.0 | 102,136 |
| Census Tract 477.01 | 4,435 | 0.1 | 31,494 |
| Census Tract 254.03 | 4,430 | 0.2 | 22,247 |
| Census Tract 401 | 4,417 | 0.2 | 27,295 |
| Census Tract 326.01 | 4,412 | 0.2 | 27,358 |
| Census Tract 253 | 4,412 | 0.2 | 28,290 |
| Census Tract 216 | 4,403 | 0.2 | 19,072 |
| Census Tract 228.03 | 4,380 | 0.1 | 40,216 |
| Census Tract 233 | 4,369 | 0.2 | 17,869 |
| Census Tract 255.02 | 4,354 | 0.2 | 20,872 |
| Census Tract 352.02 | 4,353 | 0.1 | 30,245 |
| Census Tract 133 | 4,344 | 0.2 | 19,355 |
| Census Tract 209 | 4,296 | 0.1 | 35,585 |
| Census Tract 163 | 4,296 | 0.1 | 45,255 |
| Census Tract 326.02 | 4,289 | 0.2 | 23,529 |
| Census Tract 314.02 | 4,287 | 0.2 | 25,156 |
| Census Tract 168.01 | 4,282 | 0.1 | 48,957 |
| Census Tract 229.01 | 4,275 | 0.1 | 44,484 |
| Census Tract 125.03 | 4,260 | 0.0 | 101,292 |
| Census Tract 351.02 | 4,252 | 0.2 | 20,270 |
| Census Tract 328.01 | 4,234 | 0.2 | 18,734 |
| Census Tract 217 | 4,222 | 0.5 | 8,843 |
| Census Tract 210 | 4,213 | 0.1 | 34,995 |
| Census Tract 131.01 | 4,197 | 0.1 | 62,822 |
| Census Tract 310 | 4,192 | 0.3 | 13,259 |
| Census Tract 264.02 | 4,174 | 0.2 | 27,143 |
| Census Tract 262.01 | 4,174 | 0.2 | 24,728 |
| Census Tract 612 | 4,166 | 0.2 | 24,807 |
| Census Tract 260.04 | 4,162 | 0.1 | 32,060 |
| Census Tract 124.05 | 4,152 | 0.1 | 36,429 |
| Census Tract 230.03 | 4,143 | 0.2 | 26,226 |
| Census Tract 478.01 | 4,140 | 0.2 | 22,498 |
| Census Tract 211 | 4,111 | 0.2 | 25,098 |
| Census Tract 234 | 4,110 | 0.3 | 12,405 |
| Census Tract 328.02 | 4,097 | 0.2 | 19,332 |
| Census Tract 218 | 4,091 | 0.2 | 20,990 |
| Census Tract 170 | 4,088 | 0.2 | 22,548 |
| Census Tract 103 | 4,062 | 0.1 | 39,218 |
| Census Tract 264.03 | 4,050 | 0.1 | 27,640 |
| Census Tract 615.03 | 4,039 | 0.1 | 44,541 |
| Census Tract 331 | 4,025 | 0.3 | 11,686 |
| Census Tract 330.02 | 4,021 | 0.4 | 11,180 |
| Census Tract 176.04 | 4,008 | 0.0 | 92,918 |
| Census Tract 332.03 | 4,003 | 0.2 | 23,757 |
| Census Tract 302.01 | 3,988 | 0.1 | 28,615 |
| Census Tract 264.01 | 3,954 | 0.1 | 30,028 |
| Census Tract 168.02 | 3,928 | 0.1 | 47,260 |
| Census Tract 164 | 3,920 | 0.1 | 32,846 |
| Census Tract 426.01 | 3,917 | 0.1 | 34,609 |
Showing the 100 most populous of 242 — the rest are shown on the map.
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About this page
This page shows demographics for a US county from the 2020 census and the American Community Survey: population, land area, density, urban share, and how the county compares to national averages for income, housing, age, and more.
Counties subdivide into census tracts, listed below with their populations. The drive-time and radius tables measure the population around the county's main population center.