Solomons, MD · standard
ZIP Code 20688
Calvert County, Maryland - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 1,828
- 493/sq mi High-density area
- $102,950
- Median income Above-median income area
- $619,200
- Median home value Above-median home value
- 42.6%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Solomons pairs an upper-quartile household income with top-decile home values, in a low-density, mixed-tenure area.
- Top 17%
- household income, US ZIPs
- Top 8%
- home value, US ZIPs
- 493
- people per sq mi
- 49%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 20688 against every reporting US ZIP.
ZIP code 20688 covers 3.7 square miles in Solomons, Calvert County, Maryland (a standard USPS delivery area), with a modest 1,828 residents on file, a density of 493 people per square mile, in the New York time zone.
ZIP 20688 lands in the middle-income range, with a median household income of $102,950 (10% below the average Maryland ZIP), while per-capita income is $58,614. The poverty rate is 0.2%, with unemployment at 8.4%; those measures add context to the income figure. Housing costs run above the statewide ZIP benchmark while renting is common: median home value is $619,200 (38% above the average Maryland ZIP), with only 48.5% owner-occupied homes and median rent of $3,222.
A solid share of residents have a four-year degree: 42.6% of adults hold a bachelor's degree or higher, the median age is 63.8, and the average commute is -. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Calvert County, so 20688 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 20688
Top 5 sectors by establishment count in Solomons, MD
Which industries have the most business establishments in ZIP 20688.
- Accommodation and food services
Accommodation and food services
28 establishments
- Health care and social assistance
Health care and social assistance
16 establishments
- Other services (except public administration)
Other services (except public administration)
13 establishments
- Retail trade 11
Retail trade
11 establishments
- Real estate and rental and leasing 9
Real estate and rental and leasing
9 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 20688, Solomons, MD · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
1,828
Population
3.7
Area (sq mi)
493
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 20688?
63.8
Median Age
40.1%
Male
59.9%
Female
4.1%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$102,950
Median Household Income
-10% vs state ZIP avg
$58,614
Per Capita Income
0.2%
Poverty Rate
8.4%
Unemployment Rate
How ZIP 20688 ranks among Maryland ZIPs
Solomons, MD household income vs. every Maryland ZIP code
Median household income among 419 reporting Maryland ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$102,950 47th percentile higher than 47% of 419 Maryland ZIPs
Each bar is a $20K-wide band; taller bars hold more Maryland ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
717housing units
717
Total Housing Units
651
Occupied Units
66
Vacant Units
1.89
Avg Household Size
Occupancy Type
$619,200
Median Home Value
+38% vs state ZIP avg
$3,222
Median Rent
1997
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 108 business establishments in ZIP 20688, employing approximately 1,564 people with a combined annual payroll of $56,530,000.
108
Businesses
1,564
Employees
$56.5M
Annual Payroll
9
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Accommodation and food services | 28 | 25.9% |
| Health care and social assistance | 16 | 14.8% |
| Other services (except public administration) | 13 | 12.0% |
| Retail trade | 11 | 10.2% |
| Real estate and rental and leasing | 9 | 8.3% |
| Professional, scientific, and technical services | 9 | 8.3% |
| Arts, entertainment, and recreation | 7 | 6.5% |
| Construction | 5 | 4.6% |
| Finance and insurance | 3 | 2.8% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 20688 vs 20629 →
ZIP 20688 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 20653
Lexington Park (20653)
24,481 residents
- 20657
Lusby (20657)
20,483 residents
- 20619
California (20619)
10,503 residents
- 20636
Hollywood (20636)
9,937 residents
- 20685 6,471
Saint Leonard (20685)
6,471 residents
- 20634 5,927
Great Mills (20634)
5,927 residents
- 20688 1,828
Solomons (20688)
1,828 residents
- 20620 1,443
Callaway (20620)
1,443 residents
- 20670 1,014
Patuxent River (20670)
1,014 residents
What this shows Among its immediate neighbors, ZIP 20688 ranks #7 by population - useful context the national average alone can't give.
ZIP 20688 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 20620
Callaway (20620)
$165,972 median income
- 20636
Hollywood (20636)
$163,690 median income
- 20634
Great Mills (20634)
$139,375 median income
- 20619
California (20619)
$119,432 median income
- 20685
Saint Leonard (20685)
$119,135 median income
- 20657
Lusby (20657)
$115,748 median income
- 20653
Lexington Park (20653)
$103,048 median income
- 20688
Solomons (20688)
$102,950 median income
- 20629
Dowell (20629)
$87,389 median income
What this shows By household income, ZIP 20688 ranks #8 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 20629 | Dowell, MD | 535 | 0.9 mi |
| 20657 | Lusby, MD | 20,483 | 3.5 mi |
| 20670 | Patuxent River, MD | 1,014 | 4.5 mi |
| 20619 | California, MD | 10,503 | 4.4 mi |
| 20636 | Hollywood, MD | 9,937 | 5.6 mi |
| 20634 | Great Mills, MD | 5,927 | 6.5 mi |
| 20653 | Lexington Park, MD | 24,481 | 7.5 mi |
| 20667 | Park Hall, MD | 494 | 8.3 mi |
| 20620 | Callaway, MD | 1,443 | 7.8 mi |
| 20685 | Saint Leonard, MD | 6,471 | 7.6 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 20688, both outside MD so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (1,828 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Calvert County
Related Areas
Frequently Asked Questions
What county is ZIP code 20688 in?
ZIP code 20688 (Solomons) is located in Calvert County, Maryland. Calvert County contains multiple ZIP codes, see the full list at /counties/calvert-md.
What is the population of ZIP code 20688?
ZIP code 20688 in Solomons, MD has a population of 1,828 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 20688?
The median household income in ZIP 20688 is $102,950, which is 35% above the national average of $76,288.
What is the average home value in ZIP 20688?
The median home value in ZIP 20688 is $619,200, which is 123% above the national average of $278,155.
What is the demographic makeup of ZIP 20688?
The largest racial group in ZIP 20688 is White at 97.8%. Hispanic or Latino residents make up 1.9% of the population.
How many businesses are in ZIP code 20688?
ZIP code 20688 has 108 business establishments employing approximately 1,564 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 20688?
The top industries by establishment count in ZIP 20688 are: Accommodation and food services (28), Health care and social assistance (16), Other services (except public administration) (13). There are 9 industry sectors represented in total.
What is the education level in ZIP code 20688?
In ZIP code 20688, 60.0% of residents aged 25+ have a high school diploma or higher, and 42.6% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 20688?
In ZIP code 20688, approximately 48.5% of occupied housing units are owner-occupied and 51.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 20688?
The poverty rate in ZIP code 20688 is 0.2% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 20688's numbers, next.
- See how ZIP 20688 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Solomons, MD ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.