Service Planning Areas (SPAs) are geographic regions defined by the Department of Public Health to develop and provide more relevant public health and clinical services targeted to the specific health needs of the residents in these different areas. There are 8 Service Planning Areas.

The Los Angeles City Council is a nonpartisan, lawmaking body for the city of Los Angeles. Council members are elected every four years and council boundaries are redistricted every ten years based on the decennial census. There are 15 Council Districts.

The California State Assembly is the lower chamber of the California State Legislature, working alongside the California State Senate and Governor to create laws and manage state budgets.

Assembly members are elected every two years and assembly district boundaries are redrawn every ten years based on the United States census. There are 80 Assembly Districts in California, with 24 districts located in Los Angeles County.

The United States Congress is the legislative branch of the federal government of the United States, including the U.S. House of Representatives and the U.S. Senate. 

Members of the House of Representatives are elected every two years, while members of the Senate are elected every six years. The number of representatives in each state varies based on population, however every state has two senators, regardless of population or size. There are 435 representatives and 100 senators nationwide, with California holding 52 representatives and two senators. Los Angeles County is represented by 18 congressional districts.

The Los Angeles County Affordable Housing Solutions Agency (LACAHSA) is an independent regional agency established to tackle the housing crisis. It brings together local leaders to accelerate affordable housing production, preserve existing housing, and prevent displacement across the region. Most of LACAHSA’s funding at this time comes from L.A. County Measure A, which allocates roughly $380 million annually to the agency and requires LACAHSA to spend 60% of its Measure A revenue on affordable housing creation, preservation, and ownership. 

Funding is both directly administered by the agency as well as directed to 13 ‘Eligible Jurisdictions’ to directly administer programs. The jurisdictions include the largest cities, unincorporated communities, and regional councils of government. LACAHSA’s budget allocates 60% of funding to Affordable housing creation, preservation, and ownership, 30% to renter protection and homeless prevention, 5% to technical assistance, and 5% to administration and operations.

Mapping L.A. is an ongoing resource developed by the Los Angeles Times. The project provides maps and information on 272 neighborhoods grouped into 16 distinct regions across Los Angeles County.

The Los Angeles County Board of Supervisors is the governing body of Los Angeles County, managing an annual budget of more than $50 billion and controlling most aspects of the county’s departments, including social services, public works, and the court system.

Supervisors are elected every four years and supervisorial boundaries are redistricted every ten years based on the decennial census. There are five supervisorial districts and five supervisors.

Councils of Government consist of a region’s local government representatives, and share the goal of addressing planning priorities and matters of mutual interest across city and district lines. Nine geographic subregions have been identified within Los Angeles County.

The ZIP Code system is the system of postal codes used by the United States Postal Service. While ZIP Codes are used to route deliveries, they also serve as an important geographic marker when analyzing demographic, employment, and housing data.

There are over 300 ZIP codes in Los Angeles County – too many to list here. Contact us if you need help creating your ZIP code on the NDSC map.

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