Information about a county's population is crucial to understanding its health status, and a wide range of demographic data is available at the ZIP code level through IPODR. Utilizing ZIP code-level data, users can locate neighborhoods or communities in their county with high levels of poor outcomes or suboptimal service utilization, compare small geographic areas within the county, plan and evaluate services for neighborhoods, or compare the occurrence of health outcomes with neighboring counties or the state overall.

Definitions

Birth

For IPODR, a birth is included only if it is a live birth. Fetal deaths are not included in any IPODR tables or maps, except for those in the mortality section. Note that the IPODR definition of birth (and the treatment of fetal deaths) was changed starting in May 2009. See recent changes to IPODR for more information.

California Resident

IPODR only includes information on California resident births. These are births to a mother who lists California as their current home address on the birth certificate. Note that the birth itself may have occured outside of California. A father may have a home address outside California.

Race/ethnicity is defined as follows:

Hispanic
	All persons identifying themselves as of Hispanic ethnicity.
Non-Hispanic White
	All persons identifying themselves as White, but not as Hispanic.
Black
	All persons identifying themselves as Black, but not as Hispanic.
Asian/Pacific Islander
	All persons identifying themselves as Asian or Pacific Islander, but not as Hispanic.
Other
	All persons not identifying themselves as one of the categories above including Native American, Alaskan, Aleutian, 2 or more races, unknown and other race, but not as Hispanic.

Mexico-born mothers are determined from the "birthplace of mother." This refers to foreign born mothers, specifically from Mexico.

Tables and Figures

Number and Percent of Live Births by Maternal Age, California and San Mateo County, 2007

Maternal Age	San Mateo County		California
Maternal Age	N	%	N	%
under 15	5	0.05	663	0.12
15 to 17	138	1.39	17,583	3.11
18 to 19	332	3.35	35,812	6.32
20 to 34	6,556	66.16	413,954	73.11
35 to 39	2,282	23.03	78,473	13.86
40 or older	596	6.01	19,740	3.49
Total	9,909	100.0	566,225	100.0

Note: Births with unknown values are not included
Source: California Department of Public Health (CDPH)

Number and Percent of Live Births by Race/Ethnicity, California and San Mateo County, 2007

Race/Ethnicity	San Mateo County		California
Race/Ethnicity	N	%	N	%
Hispanic	3,407	34.37	297,031	52.45
Non-Hispanic White	3,043	30.70	151,015	26.67
Non-Hispanic Black	185	1.87	29,513	5.21
Non-Hispanic Asian/Pacific Islander	2,627	26.50	68,875	12.16
Non-Hispanic Other Race	650	6.56	19,884	3.51
Total	9,912	100.0	566,318	100.0

Note: Births with unknown values are not included
Source: California Department of Public Health (CDPH)

Live Births in San Mateo County, 2005-2007

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Source: California Department of Public Health (CDPH)

Number and Percent of Live Births to Mexico-Born Mothers by Race/Ethnicity, California and San Mateo County, 2007

Race/Ethnicity	San Mateo County			California
Race/Ethnicity	N	All Births	%	N	All Births	%
Hispanic	1,820	3,406	53.4	151,037	296,963	50.9
Non-Hispanic White	14	3,034	0.5	242	150,893	0.2
Non-Hispanic Black	0	185	0.0	1	29,466	0.0
Non-Hispanic Asian/Pacific Islander	0	2,623	0.0	6	68,797	0.0
Non-Hispanic Other Race	58	645	9.0	933	19,748	4.7
Overall	1,892	9,893	19.1	152,219	565,867	26.9

Births with unknown values are not included
Categories with less than 10 live births are grayed
Source: California Department of Public Health (CDPH)

Percent of Live Births to Mexico-Born Mothers, San Mateo County, 2005-2007

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Source: California Department of Public Health (CDPH)

Percent of Live Births to Mexico-Born Mothers, California and San Mateo County, 2005-2007

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Source: California Department of Public Health (CDPH)

Sponsored by the CDPH Maternal, Child, and Adolescent Health Program

IPODR - California County Profile Report