Plumas County GIS Maps

Plumas County Maps

The maps below show a few of the county map styles included in our downloads. County packages include map exports in JPEG, PNG, SVG, PDF and GeoTIFF formats plus more than 20 GIS layers for mapping, research and analysis. Available layers include zip codes, area codes, subdivisions, school districts, political boundaries, roads, water features, points of interest and more.

County packages also include historical county demographics, business intelligence, analytical dashboards, AI-ready prompts, markdown files and related reference data. Everything is organized to save hours of manual work collecting current data, cleaning it and joining it together. That makes it easier to move faster on analytics, due diligence, business planning and location research. Paid packages are built for commercial use, but some package contents include source-specific attribution or notice guidance. Review Licensing & Data Source Notices.

Plumas County Population

Plumas County had 19,790 residents in 2020. That was 1.1% lower than in 2010. Plumas County had 1,034 fewer people in 2020 than it did in 2000, which points to a long-term population decline. The county is fairly spread out, with about 8 people per square mile. Some of the county's most populated postal areas include Quincy, Portola and Chester.

Population Trend in Plumas County CA

Plumas County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.

Plumas County Zip Codes

Plumas County has 16 zip codes. Some of the county's most populated zip codes include Quincy (95971), Portola (96122) and Chester (96020). Quincy is the largest zip by population, with about 5,672 residents or 29% of the county total. Together, the three largest zips account for about 61% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Plumas County CA

Plumas County Zip Code populations and trends per most recent census data.

Plumas County Demographics

Plumas County has a median age of 52.1, which makes the county a little older than California overall. About 17.5% of residents are under 18, while 29.8% are 65 or older. That gives the county a fairly even mix of younger families and older adults. The largest age group is 65 and over at about 29.8% of the population, which points to an older population profile. About 20.5% of adults have a bachelor's degree or higher, above the statewide figure of 36.5%. The county is mostly White by population, though Hispanic, Asian, Black and multiracial residents are also part of the local mix.

Key Demographics for Plumas County CA

Plumas County School Districts

Plumas County is served by 2 public school districts with 2,082 students enrolled in 2024. Several larger districts account for a substantial share of students across the county map area. Those three districts account for about 100% of public school enrollment in the map area. Total enrollment has stayed fairly steady in recent years, but it is slightly lower than it was in 2017.

Largest School Districts by Enrollment in Plumas County CA

Plumas County school district enrollment and trends per most recent NCES reporting data.

Plumas County Housing & Real Estate

Plumas County has a median home value of $327,400 and a median gross rent of $1,034. About 75% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the California median, while rents come in below the state average. In March 2026, the median listing price was $576,000 and homes spent about 65 days on the market.

Businesses in Plumas County, CA

Plumas County has 1,273 business listings across 331 categories. The largest categories in Plumas County business listings are Lake (56, 4.4%), Churches & Religious Organizations (32, 2.5%), and Structure And Geography (31, 2.4%). The full Plumas County business listings dataset includes names, categories, addresses and contact details where available. Plumas County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Plumas County, CA

Plumas County Business Listings

Plumas County business listings sourced from Overture Maps. Includes locations with a high level of confidence.

Plumas County Basemaps

Plumas County map and data packages include a set of useful basemaps to help you get started quickly. These include a custom light grey canvas, USGS topo, imagery and other reference layers that make it easier to build clear, meaningful county maps using the included GIS layers, your own data or both. Pre-rendered map tiles for the light grey basemap are included so you can use them offline or host them on your own CDN.

Preview a Live Package Demo

See exactly what is included in a county data package. Inspect how files are organized, the interactive data explorer and how maps and analytics are laid out. The demo loads a real sample package from California — explore the full structure before you buy.