PlainZIP

Black Diamond, WA

Single-footprint Census roll-up for Black Diamond, WA: 1 USPS ZIP, population 5,025. Open the primary ZIP for household income, housing tenure, and commute from ACS 2023 5-Year Estimates.

U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage

ACS city ledger plate

Sheet BLACK-DIAMOND-WA · Black Diamond, WA 1 ZIPs · 5,025 pop · #1094/25278 · King County

INC-TOP · RANK-TOP · ABOVE-PEER · BOOK-ONE · OWN-HIGH · POP-TOWN · SPREAD-UNK · HOME-TOP

  • INC-TOP $142,048
  • RANK-TOP #1094/25278
  • ABOVE-PEER over Bothell
  • BOOK-ONE 1 ZIP
  • OWN-HIGH 86% owners
  • POP-TOWN 5,025
  • SPREAD-UNK Single-ZIP book
  • HOME-TOP $775,400

Nearest income peer: Bothell, WA ( $10,381 income $)

Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.

Income neighbourhood around Black Diamond

Lowest/highest poles plus county-sharing cities nearest Black Diamond on average ZIP median household income. Full ladder: /cities.

median HH income

What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2026-08-25

National city placement

According to ACS 5-Year Estimates, Black Diamond, WA sits among US cities with a top-decile household income, on a town-scale population base, across a single-ZIP footprint.

Top 4%
household income vs 25,278 US cities
5,025
city population (Census)
1
USPS ZIP codes covered
$142,048
avg ZIP median income

Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.

High-income footprint on only 1 ZIP: the city page and the ZIP page nearly coincide. Headline income $142,048 and home value $775,400 should be read as near-neighborhood numbers ; bachelor's attainment averages 52.7%.

Owner-occupancy here runs high (85.7%) - tenure is stable enough that the ZIP detail's owner share is the right next click, not a renter-heavy compare.

Within Washington, Eltopia is the closest lower-income city and Longbranch the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Black Diamond.

Population concentration

Black Diamond's single ZIP 98010 carries the town

Black Diamond is published as a single USPS ZIP. Code 98010 is the entire residential footprint (5,025 ACS residents), so the city page and the ZIP page tell the same household story, open that ZIP for income, tenure, and commute detail.

Census ZBP business roll-up

Dense ZBP book packed into Black Diamond's one ZIP

Citywide ZBP: 152 establishments, 1,045 employees , annual payroll $69,602k (~30 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 98010 (152 units) ; leading NAICS Construction (42) · also Professional, scientific, and technical services · Accommodation and food services .

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ZIP Codes in Black Diamond, WA

These ZIP codes sit in King County, which covers 85 ZIP codes in all; 1 of them fall in Black Diamond. See the King County roll-up →

Black Diamond lands mid-pack among the 12 cities sharing King County: Bellevue, Redmond and Kirkland earn more and Seattle, Kent and Renton earn less. Sammamish marks the far end of that range at $247,182, 74% above Black Diamond.

ZIP Code Population Median income Establishments Density
98010 5,025 $142,048 152 129
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Black Diamond roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving Black Diamond, .