Columbia County GIS Maps
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Columbia County, Pennsylvania, has 64,727 residents and covers 483.1 square miles. The population declined 3.8% between the 2010 and 2020 census. More residents left than arrived over that decade. The FIPS code for Columbia County is 42037.
Bloomsburg is the county's largest population center. Columbia County also includes 13 zip codes, 8 public school districts and 57 municipalities. Those boundaries help explain why population, schools, and housing can look different from one part of the county to another. The map below shows how those county lines, zip codes, and school districts fit together, and the sections that follow use that same geography to show population, demographics, school enrollment and housing patterns in more detail.
Maps, GIS layers and sample data. Paid packages add full layers, analytics and database files.
Columbia County Trends
- Population
- 64,727▾
- Median Home Value
- $199,200▴
- K-12 Enrollment
- 11,887▾
County analytics dashboards with historical trends & projections included in package downloads.
Free starter access previews county maps, lightweight GIS, and sample data. Paid packages unlock full GIS layers, analytics, and database files.
Columbia 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.
Columbia County Population
Columbia County had 64,727 residents in 2020. That was 3.8% lower than in 2010. Columbia County added 579 people between 2000 and 2020, which points to steady long-term growth. Bloomsburg is the largest city in the county, but it accounts for only about 20% of the total population. The county is fairly spread out, with about 134 people per square mile. Some of the county's most populated postal areas include Bloomsburg, Berwick and Catawissa.
Population Trend in Columbia County PA
Columbia County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Columbia County Zip Codes
Columbia County has 13 zip codes. Some of the county's most populated zip codes include Bloomsburg (17815), Berwick (18603) and Catawissa (17820). Bloomsburg is the largest zip by population, with about 28,936 residents or 45% of the county total. Together, the three largest zips account for about 82% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Columbia County PA
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 17815 | Bloomsburg | 28,936 | ▾ -6.6% |
| 18603 | Berwick | 18,728 | ▾ -3.1% |
| 17820 | Catawissa | 5,459 | ▾ -1.7% |
| 17814 | Benton | 4,673 | ▾ -3.8% |
| 17824 | Elysburg | 3,997 | ▾ -2.9% |
| Download all zip code data | |||
Columbia County Zip Code populations and trends per most recent census data.
Columbia County Demographics
Columbia County has a median age of 41.4, which is close to the Pennsylvania average. About 17.7% of residents are under 18, while 20.2% are 65 or older. That gives the county a fairly even mix of younger families and older adults. The largest age group is 25 to 44 at about 27.4% of the population, which points to a solid working-age base. About 24.9% of adults have a bachelor's degree or higher, above the statewide figure of 34.5%. The county is mostly White by population, though Hispanic, Asian, Black and multiracial residents are also part of the local mix.
Key Demographics for Columbia County PA
Median Age
41.4
Under 18
17.7%
Age 65+
20.2%
Bachelor's+
24.9%
Columbia County School Districts
Columbia County is served by 8 public school districts with 11,887 students enrolled in 2024. The largest districts on the county map are Berwick Area, North Schuylkill and Central Columbia. Those three districts account for about 55% of public school enrollment in the map area. Total enrollment has stayed fairly steady in recent years, based on district totals from 2017 to 2024.
Largest School Districts by Enrollment in Columbia County PA
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Berwick Area School District | 2,555 | 21.5% | ▾ -2.6% |
| North Schuylkill School District | 2,067 | 17.4% | ▴ 0.4% |
| Central Columbia School District | 1,893 | 15.9% | ▾ -2.4% |
| Mount Carmel Area School District | 1,552 | 13.1% | ▾ -1.1% |
| Bloomsburg Area School District | 1,492 | 12.6% | ▾ -1.5% |
| Download all school district data | |||
Columbia County school district enrollment and trends per most recent NCES reporting data.
Columbia County Housing & Real Estate
Columbia County has a median home value of $199,200 and a median gross rent of $904. About 70% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the Pennsylvania median, while rents come in below the state average. In March 2026, the median listing price was $311,200 and homes spent about 58 days on the market.
Columbia County Housing Mix
Columbia County housing mix: owner, renter and vacant units.
Columbia County Housing Trends
Columbia County median home value and rent trend (last 5 years).
Businesses in Columbia County, PA
Columbia County has 2,873 business listings across 545 categories. The largest categories in Columbia County business listings are Churches & Religious Organizations (101, 3.5%), Landmark And Historical Building (44, 1.5%), and Gas Stations (42, 1.5%). The full Columbia County business listings dataset includes names, categories, addresses and contact details where available. Columbia County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Columbia County, PA
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 101 | 3.5% |
| Landmark And Historical Building | 44 | 1.5% |
| Gas Stations | 42 | 1.5% |
| Auto Repair | 42 | 1.5% |
| Farm | 39 | 1.4% |
| Pizza Restaurants | 39 | 1.4% |
| Contractors | 39 | 1.4% |
| Beauty Salons | 37 | 1.3% |
| Community & Nonprofits | 36 | 1.3% |
| Medical Offices | 34 | 1.2% |
Columbia County Business Listings
| Business | Category | City |
|---|---|---|
| Advanced Student Housing | Accommodation | Bloomsburg |
| Horizon Bookkeeping Services | Accountant | Berwick |
| Lake Jean, Ricketts Glenn | Active Life | Bloomsburg |
| Feel Good Acupuncture | Acupuncture | Bloomsburg |
| Mustang Sally's | Adult Entertainment | Bloomsburg |
| Workhouse | Advertising Agency | Bloomsburg |
| Soil Bound LLC | Agricultural Service | Catawissa |
| Harvest Works LLC | Agriculture | Bloomsburg |
| Numidia Airport | Airport | Catawissa |
| Bloomsburg Volunteer Ambulance Association | Ambulance And Ems Services | Bloomsburg |
| Download Columbia County business listings | ||
Columbia County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Columbia County Basemaps
Columbia 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.
Get the Full Columbia County Data Package
This page shows a preview of what's included in the Columbia County data package. The full package gives you a ready-to-use county data system with GIS layers, historical data, maps, database files and planning tools that save hours of manual data gathering, cleanup and joins. Everything is organized to help you skip data wrangling and start analysis faster.
- 20+ GIS layers for zip codes, school districts, roads, water, boundaries and more
- Historical county demographics, housing, income and trend data
- ZIP code population files and school district enrollment history
- Database files, markdowns, AI-ready prompts and documentation
- Map exports in PNG, JPEG, PDF, SVG and GeoTIFF formats
- Offline-ready data explorer, map and analytics tools
Paid packages support commercial use, client work, and derived outputs. Some package contents may include source-specific attribution or provider notices. See Licensing & Data Source Notices.
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Nearby Counties
Browse county data pages for the counties that border Columbia County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.