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

All IPODR measures include only 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 Orange County, 2008

Maternal Age	Orange County		California
Maternal Age	N	%	N	%
under 15	52	0.1	624	0.1
15 to 17	979	2.3	17,008	3.1
18 to 19	1,976	4.7	34,696	6.3
20 to 34	30,550	72.0	401,926	72.9
35 to 39	7,052	16.6	76,951	14.0
40 or older	1,840	4.3	20,301	3.7
Total	42,449	100.0	551,506	100.0

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

Number and Percent of Live Births by Race/Ethnicity, California and Orange County, 2008

Race/Ethnicity	Orange County		California
Race/Ethnicity	N	%	N	%
Hispanic	22,003	51.8	287,323	52.1
Non-Hispanic White	11,812	27.8	146,309	26.5
Non-Hispanic Black	459	1.1	29,428	5.3
Non-Hispanic Asian/Pacific Islander	7,155	16.9	67,306	12.2
Non-Hispanic Other Race	1,027	2.4	21,201	3.8
Total	42,456	100.0	551,567	100.0

Source: California Department of Public Health (CDPH)

Live Births in Orange County, 2006-2008

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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 Orange County, 2008

Race/Ethnicity	Orange County			California
Race/Ethnicity	N	All Births	%	N	All Births	%
Hispanic	13,403	22,002	60.9	139,789	287,257	48.7
Non-Hispanic White	10	11,810	0.1	257	146,232	0.2
Non-Hispanic Black	0	459	0.0	0	29,400	0.0
Non-Hispanic Asian/Pacific Islander	2	7,152	0.0	9	67,219	0.0
Non-Hispanic Other Race	60	1,014	5.9	1,009	21,076	4.8
Overall	13,475	42,437	31.8	141,064	551,184	25.6

Births with unknown place of birth 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, Orange County, 2006-2008

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Source: California Department of Public Health (CDPH)

Percent of Live Births to Mexico-Born Mothers, California and Orange County, 1991-2008

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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