Population, Race and Ethnicity
Census respondents are also asked to report ancestry. Some of the most commonly reported ancestries in San Ysidro include German, Irish, American, Norwegian, and English. Measured by location quotient — comparing the Census-designated place share to the national share — some of the most highly concentrated ancestries in Census-designated place are Russian, Norwegian, and French Canadian.
Native and foreign-born population
An estimated 84.30% of San Ysidro residents are native-born, meaning they were born in the United States, Puerto Rico, a U.S. Island Area, or abroad to a U.S. citizen. Of the 15.70% of the population that is foreign-born, 55.90% have become naturalized U.S. citizens. Nationwide, 86.5% of Americans are native-born. And of the 13.5% of Americans who are foreign-born, 48.5% have become naturalized U.S. citizens.
The population of San Ysidro is about as old as the United States as a whole. The median age is 37.8 years, 0.1 years less than the national median age of 37.9 years. An estimated 17.40% of the population is 65 years and over, compared to 15.2% of the U.S. population.
Family and household composition
Family and household composition also varies heavily across the United States. In San Ysidro, 75.30% of households are occupied by married-couple families, compared to the 48.3% national figure. Some 0.10% of households are occupied by single male householders, 2.90% by single female householders, and 21.60% by non-family occupants. Nationwide, 4.9% of households are occupied by single male householders, 12.6% by single female householders, and 34.3% by non-family occupants. An estimated 86.20% of heads of household own their homes, compared to the national homeownership rate of 63.8%.
English is by far the most commonly spoken language in New Mexico and across the U.S. as a whole. Similarly, in San Ysidro, 82.8% of local residents aged 5 and up speak English exclusively, or, if they are multilingual, speak English very well. For context, 91.1% of the 5 and older population across New Mexico only speaks English, or speak it very well, and 91.5% of the same age group nationwide do.
Residents of San Ysidro are more likely than the typical American to be married. Of all local residents aged 15 and older, 65.7% are currently married, compared to 48.1% of Americans nationwide in the same age group. Across New Mexico as a whole, 44.8% of residents 15 and older are married.
Divorce is far less common in San Ysidro than it is across the U.S. as a whole. According to Census estimates, 3.6% of residents 15 and older are divorced — compared to 10.8% of the U.S. population in the same age group. In New Mexico, 13% of the 15 and older population is divorced.
An estimated 26.6% of San Ysidro residents 15 and older have never married, compared to one-third of all Americans in the same age group.
In San Ysidro, 11.6% of the 18 and older civilian population are veterans — compared to 7.5% of adult civilians nationwide and 9.3% of the civilian population in all of New Mexico.
In San Ysidro, adults are less likely to have a high school education than the typical American adult, but are more likely to have a four-year college education. Among San Ysidro residents 25 and older, 80.50% have a high school diploma or equivalent, and 38.10% have a bachelor's degree or higher, compared to 87.7% and 31.5% of adults nationwide, respectively. Across New Mexico, 85.3% of adults have graduated high school, and 27.1 have a bachelor’s degree.
The typical household in San Ysidro earns $67,500 a year, about $7,200 more than the national median of $60,293 and $19,400 more than the median household income across the state of $48,059.
Serious financial hardship is more common in San Ysidro than it is nationwide. The local poverty rate stands at 23.50%, while the national poverty rate is 14.1%. Across the state as a whole, 20% of the population lives below the poverty line.
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