The CASTILLO surname in the USA

Frequency Comparisons
	Total	Rank	Frequency %	Per million people
United States
United States (Current snapshot)	165,473	135	0.061	613
United States (1880 census)	799	6545	0.002	16
Change since 1880	+164674	+6410	+0.059	+597
Other Countries
Australia	366	4336	0.002	22
United Kingdom	0			0

Top States for CASTILLO by Total
State	Total	Rank in State	Frequency %	Per million people
Texas	45,797	38	0.220	2,196
California	41,097	60	0.121	1,213
Florida	14,024	125	0.088	877
New York	9,048	178	0.048	477
Illinois	6,025	215	0.049	485
Top States for CASTILLO by Frequency
State	Total	Rank in State	Frequency %	Per million people
Texas	45,797	38	0.220	2,196
New Mexico	3,173	54	0.174	1,744
California	41,097	60	0.121	1,213
Arizona	5,474	83	0.107	1,067
Nevada	2,012	95	0.101	1,007

Notes

Total is the total number of people with that surname.
Rank is the position in the list of names ordered by total (eg, a rank of 1 means that it's the most common name, and a rank of 10 means it's the tenth most common, etc).
Frequency is the percentage of people with that surname.
Per million people is the number of people with that surname per million of the population.

'A figure of zero indicates that we don't have data for this name (usually because it's quite uncommon and our stats don't go down that far). It doesn't mean that there's no-one with that name at all!

For less common surnames, the figures get progressively less reliable the fewer holders of that name there are. This data is aggregated from several public lists, and some stats are interpolated from known values. The margin of error is well over 100% at the rarest end of the table!

For less common surnames, the frequency and "per million" values may be 0 even though there are people with that name. That's because they represent less than one in a million of the population, which ends up as 0 after rounding.

It's possible for a surname to gain in rank and/or total while being less common per million people (or vice versa) as there are now more surnames in the USA as a result of immigration. In mathematical terms, the tail has got longer, with a far larger number of less common surnames.

Figures for top states show firstly the states where most people called CASTILLO live. This obviously tends to be biased towards the most populous states. The second set of figures show where people called CASTILLO represent the biggest proportion of the population. So, in this case, there are more people called CASTILLO in Texas than any other state, but you are more likely to find a CASTILLO by picking someone at random in Texas than anywhere else.

Classification and Origin of CASTILLO

Region of origin: Europe

Country of origin: Spain

Language of origin: Spanish

Ethnic origin: Iberian

Religious origin: Christian

Data for religion and/or language relates to the culture in which the CASTILLO surname originated. It does not necessarily have any correlation with the language spoken, or religion practised, by the majority of current American citizens with that name.

Data for ethnic origin relates to the region and country in which the CASTILLO surname originated. It does not necessarily have any correlation with the ethnicity of the majority of current American citizens with that name.

Ethnic distribution of CASTILLO in the USA

Classification	Total	Percent
White (Hispanic)	147,023	88.85
White (Caucasian)	9,300	5.62
Asian/Pacific	5,394	3.26
Black/African American	1,274	0.77
Mixed Race	1,241	0.75
Native American/Alaskan	1,241	0.75

Ethnic distribution data shows the number and percentage of people with the CASTILLO surname who reported their ethnic background as being in these broad categories in the most recent national census.

Similar names to CASTILLO

The following names have similar spellings or pronunciations as CASTILLO.

This does not necessarily imply a direct relationship between the names, but may indicate names that could be mistaken for this one when written down or misheard.