| Statistic | Reportedincidents | /100k people | San Marcos/100k people | California/100k people | National/100k people |
| Total crime | 829 | n/a (estimate) | 882 | 2,564 | 2,119 |
| Murder | 1 | n/a | 1.1 | 4.5 | 5.0 |
| Rape | 6 | n/a | 6.4 | 36.6 | 37.5 |
| Robbery | 30 | n/a | 31.9 | 119.1 | 60.6 |
| Assault | 172 | n/a | 183.0 | 325.8 | 256.1 |
| Violent crime | 209 | n/a (estimate) | 222 | 486 | 359 |
| Burglary | 142 | n/a | 151.1 | 305.8 | 229.2 |
| Theft | 376 | n/a | 400.1 | 1,345.2 | 1,272.1 |
| Vehicle theft | 102 | n/a | 108.5 | 427.5 | 258.8 |
| Property crime | 620 | n/a (estimate) | 660 | 2,078 | 1,760 |

The San Marcos crime rates are 58.4% lower than the national average. There are two main categories of crime - violent crime and property crime. Violent crime consists of murder, rape, robbery and assault, while property crimes include burglary, theft and vehicle theft. There were a total of 209 violent crimes in San Marcos (222 per 100,000 people), which is 38.1% lower than the national average and there were a total of 620 property crimes (660 per 100,000 residents) which is 62.5% lower than average.
In 1991, property crime rates in the United States soared to over 5,140 crimes per 100,000 people. In the years since, the U.S. property crime rate has continued to decline with the most recent year reporting only 1760 property crimes. In San Marcos, the property crime rate was even less than the national average with a rate of 660, cementing it as one of the safest places to live with regards to property crime.
AreaVibes surveyed 23 local residents in San Marcos to gauge the safety of the area. Based on the results, 83% of people answered that there was very little crime in San Marcos and that they felt very comfortable walking alone at night. Another 17% of people responded that there was far too much crime and they would be hesitant to walk the streets alone at night. Keep in mind that the opinions of residents may vary depending on which area they live in.
Determining whether San Marcos is a place to live may not always yield a simple answer, given the city's varying safety levels across different areas. Nonetheless, comprehending the city's overall crime rate can be a valuable asset. In broad terms, San Marcos has an overall crime rate that is 58% lower than the national average. When we take a look at crime on a daily basis, this translates into 2.27 daily occurrences, comprising 0.57 violent crimes and 1.7 property crimes. Scrutinizing these statistics provides a foundation for a more informed assessment of the suitability of San Marcos as a potential place to establish residency.
Examining year-over-year crime data provides insights into short-term trends with regards to the crime activity in San Marcos. This analysis involves comparing crime rates from one year to the next, enabling the identification of patterns and fluctuations in crime. Such information proves invaluable to residents seeking to make well-informed decisions about their choice of residence. In the most recent year, compared to the previous one, total crime in San Marcos has decreased by 28.8%. Specifically, violent crime has increased by 7.7%, while property crime has decreased by 36.2%. This data empowers individuals with a clearer understanding of the evolving safety landscape in San Marcos.
Limited employment opportunities or a prevalence of low-wage jobs can result in higher rates of unemployment and underemployment. Regions where individuals grapple with joblessness or meager wages may exhibit greater vulnerability to an uptick in crime due to financial instability. While areas that have strong employment rates, often will see a reduction in overall crime. San Marcos, for instance, reports an unemployment rate of 2.8%, which differs from the national average of 4.9%.
High cost of living can lead to economic stress for individuals and families, particularly those with limited financial resources. When people struggle to make ends meet due to high housing costs, healthcare expenses, or other basic necessities, they may be more inclined to engage in criminal activities, such as theft or fraud, as a means of financial survival. On the flipside, cities that have a lower cost of living, could see a reduced crime rate. In San Marcos, the cost of living is 69.45% higher than the national average.
The quality of housing and neighborhood conditions can influence crime rates. Neglected or run-down neighborhoods with poorly maintained properties may be more susceptible to criminal activities. In areas with housing affordability challenges, crime can emerge as a prominent issue. Certain individuals and families may find themselves residing in cramped or inadequate housing settings, amplifying stress levels and potentially fostering domestic conflicts and associated criminal incidents. It's worth noting that the median home price in San Marcos stands at $1,029,899, a contrast to the national average of $326,622.
| Item | San Marcos | California | National |
| Law enforcement employees (officers & civilians) | n/a | 51,506 | 558,732 |
| Police officers & civilians /1000 residents | n/a | 3.6 | 3.3 |
| State | Total offenders | California /100K | National /100K |
| California | 79,891 | 232 | 266 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Fairbanks Ranch, CA | 3,019 | 76 | 326 | 402 |
| Rancho Santa Fe, CA | 2,734 | 76 | 326 | 402 |
| Lake San Marcos, CA | 4,102 | 93 | 397 | 490 |
| Hidden Meadows, CA | 3,812 | 104 | 444 | 548 |
| Bonsall, CA | 4,280 | 126 | 540 | 666 |
| Poway, CA | 51,311 | 134 | 584 | 717 |
| Encinitas, CA | 64,861 | 215 | 941 | 1,156 |
| San Marcos, CA | 99,851 | 222 | 660 | 882 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Yuma, AZ | 99,763 | 424 | 1,247 | 1,671 |
| Lawrence, KS | 99,660 | 462 | 2,157 | 2,618 |
| Flint, MI | 99,436 | 1,258 | 1,312 | 2,570 |
| Erie, PA | 100,285 | 376 | 1,929 | 2,305 |
| Longmont, CO | 99,360 | 469 | 2,619 | 3,088 |
| San Marcos, CA | 99,851 | 222 | 660 | 882 |