County hub suburban Connecticut

Western Connecticut County, CT

Aggregated demographic, housing, and geographic context for the 34 ZIP codes inside Western Connecticut County, drawn from public Census ACS and SimpleMaps data.

ZIP codes
34
in this county
Total population
619,472
across all listed ZIPs
Cities
23
distinct city/town names
Avg density
1,003
people / sq mi
Avg median income
—
household, ACS
Avg home value
—
owner-occupied

ZIP codes in Western Connecticut County

ZIPCityPopulationDensityMedian income
06902 Stamford 69,523 2,679 $92,527
06810 Danbury 53,931 996 $74,373
06811 Danbury 32,042 589 $107,519
06854 Norwalk 30,352 2,437 $86,399
06851 Norwalk 28,756 1,445 $106,978
06880 Westport 27,242 526 $250,001
06776 New Milford 27,043 186 $102,240
06877 Ridgefield 25,148 281 $168,991
06830 Greenwich 24,788 707 $146,841
06905 Stamford 21,604 1,645 $132,730
06820 Darien 21,485 656 $250,001
06840 New Canaan 20,672 360 $250,001
06801 Bethel 20,287 463 $115,135
06850 Norwalk 19,158 1,091 $121,910
06897 Wilton 18,486 266 $227,165
06804 Brookfield 17,652 341 $142,826
06470 Newtown 15,894 165 $149,933
06831 Greenwich 15,172 213 $218,785
06903 Stamford 14,816 329 $203,438
06812 New Fairfield 13,640 258 $143,864
06482 Sandy Hook 11,494 219 $144,387
06906 Stamford 10,847 3,104 $91,710
06883 Weston 10,339 202 $250,001
06901 Stamford 8,878 6,739 $87,524
06907 Stamford 8,849 1,746 $104,526
06896 Redding 8,736 108 $174,981
06855 Norwalk 8,449 1,321 $102,247
06878 Riverside 8,387 1,339 $250,001
06870 Old Greenwich 7,907 1,347 $227,727
06807 Cos Cob 7,504 885 $194,492
06853 Norwalk 4,004 1,282 $250,001
06784 Sherman 3,545 62 $106,313
06752 Bridgewater 1,833 42 $156,682
06755 Gaylordsville 1,009 78 $115,682

About Western Connecticut County

Counties are the workhorse unit of American local government — they administer property taxes, run the courts and sheriff’s office, manage many road and library systems, and in much of the country they collect public health and zoning data that ZIP codes don’t. Western Connecticut County in Connecticut contains roughly 34 ZIP codes spread across 23 distinct cities and unincorporated communities, with an aggregate population of about 619,472. Reading those ZIPs together at the county level smooths over neighborhood-by-neighborhood noise and surfaces the broader economic and demographic shape of the area. For block-level detail, drill into any individual ZIP profile or compare against the wider Connecticut index.

The average density across listed ZIPs sits at roughly 1,003, which classifies the county overall as a suburban environment. That label is a generalization — nearly every county contains both a relatively dense core and quieter outlying ZIPs, and the gap between them is often what determines where you actually want to live or open a business. Average median household income in our enriched ZIPs lands near —, with average owner-occupied home values around —; both numbers move dramatically as you cross from one ZIP to the next, so use the table above as a sorting tool, not a verdict.

If you’re moving into Western Connecticut County, the county itself is also where most of your real-life paperwork will land — vehicle registration, voter registration, property recording, and school district enrollment in many states. Knowing the county that contains your prospective ZIP makes it much easier to look up the right tax assessor, election office, or school district website. Our relocation guide walks through the order in which to tackle these handoffs after a move.

For service-area planning, the county is also where most US business licensing and many sales-tax rules are administered. Service businesses scoping Western Connecticut County should pair this aggregate view with the individual ZIP profiles to identify the densest, highest-income pockets first, then expand outward along whatever transportation corridor matches their delivery model.