Demographics

Overview

This page is a summary of the general demographic characteristics for the City of Piqua. The primary demographic characteristics examined in this chapter are population and housing. These two indicators provide a snapshot of the city’s population composition, and provide insight into housing trends that may affect the town in the future.

The primary sources of information used to prepare this analysis include the 2000 US Census and data gathered from the Piqua Planning and Zoning Department.

Key Findings

The population of the City of Piqua has remained constant from 1970-2000.
Miami County has seen a 17 percent increase in population from 1970-2000, while the Miami Valley region has remained constant.
As of the 2000 US Census, there were 20,738 people, 7,903 households, and 5,227 families residing in the City.
In 2000 the population density was 1,939.2 per square mile. There were 8,886 housing units at an average density of 830.9 per square mile.
In terms of age, Piqua’s population is spread out with 26.5 percent under the age of 18, nine percent from 18 to 24, 28.9 percent from 25 to 44, 21.3 percent from 45 to 64, and 14.3 percent age 65 and up..

Detailed Information

Population

Historic Population Growth
Area	1970	1980	1990	2000	2005
City of Piqua	20,741	20,480	20,612	20,738	20,883
Miami County	84,342	90,381	93,182	98,868	101,619
Miami Valley Region	899,407	885,166	867, 454	901,456	897,008
Source: 2000 U.S. Census

The population of Piqua has not grown over the last thirty years. The population of the Miami Valley Region has remained constant as well. However, Miami County has experienced a 20 percent increase in population since 1970. Tables 2.1 and 2.2 show the population growth figures and percentage growth of Piqua compared to the region.

Percent Population Change
Area	1970-1980	1980-1990	1990-2000	2000-2005
City of Piqua	-1.30%	0.64%	0.61%	0.70%
Miami County	7.16%	3.10%	6.10%	2.80%
Miami Valley Region	-1.60%	-2.10%	3.90%	-0.50%
Source: 2000 U.S. Census

In 2000, the population density was 1,939.2 persons per square mile. There were 8,886 housing units at an average density of 830.9 units per square mile. This density is illustrated by Map 2.1, which was produced by the US Census based on the year 2000 population data. The City is predominately built out. Densities may increase if infill growth is encouraged by the City. However, if growth trends remain consistent with the density of new areas growing on the fringe of the City, Piqua is likely to become larger and less dense.

2000 Census Pop Density
Source: 2000 U.S. Census

Education

Piqua has a significant number of residents, 25 years and older, with a high school degree or higher. However, when compared to the region the City has a considerably lower number of residents with a bachelor’s degree or higher. Approximately 10 percent of Piqua residents, 25 years and older, hold a bachelor’s degree or higher, while approximately 16 percent of residents in Miami County and 21 percent of residents in the State of Ohio have a higher education degree. (See table below) The national average for residents with a bachelor’s degree or higher was 26 percent of the 25 and older population in 2000.

Educational Attainment
	City of Piqua		Miami County		State of Ohio
	2000 Pop.	% of Total	2000 Pop.	% of Total	2000 Pop.	% of Total
Total Population Over 25 Years of Age	13,499	100.0%	65,765	100.0%	7,411,740	100%
Less than 9th Grade	854	6.0%	2,748	4.2%	331,801	4.5%
9th to 12th Grade, no diploma	2,750	19.0%	8,649	13.2%	930,284	12.6%
High School Graduate	5,593	41.4%	26,183	39.8%	2,674,551	36.1%
Some College, no degree	2,451	18.2%	13,032	19.8%	1,471,964	19.9%
Associate Degree	699	5.2%	4,438	6.7%	439,608	5.9%
Bachelor's Degree	887	6.6%	7,174	10.9%	1,016,256	13.7%
Graduate or Professional Degree	445	3.3%	3,541	5.4%	547,276	7.4%
Source: 2000 U.S. Census

Household Makeup

According to the 2000 US Census there are 8,263 households in Piqua, out of which 32.7 percent have children under the age of 18, 50.4 percent are married couples living together, 12.9 percent have a female householder with no husband present, and 32.4 percent are non-families. Approximately 27.3 percent of all households are made up of individuals and 11.4 percent have someone living alone who is 65 years of age or older. The average household size is 2.47 and the average family size is 2.99.

As indicated, Piqua’s households are comprised of a significant proportion of married couple families (50.4%). This number is lower than the proportion of married couple families in the region (62%), but higher than the state (48%). According to the 2000 Census approximately 12.9 percent of households in Piqua are single parent households. This figure is higher than the county average (10.0%), but lower than the state (21.0%). Table 2.4 shows the household makeup for Piqua, the county, and the State.

Household Makeup Comparison
Household Type	City of Piqua		Miami County		State of Ohio
Household Type	2000 Pop.	% of Total	2000 Pop.	% of Total	2000 Pop.	% of Total
Total Households	8,263	100.0%	37,064	100.0%	4,734,590	100.0%
Married-Couple Families	4,161	50.4%	22,852	61.7%	2,285,798	48.3%
Other Family, Single Parent	1,066	12.9%	3,718	10.0%	996,042	21.0%
Householder Living Alone	2,676	32.4%	10,494	28.3%	1,452,750	30.7%
Source: 2000 U.S. Census

Age

The two largest age cohorts in Piqua are the 5-14 age group (15% of the total population) and the 25-44 age group (approximately 30% of the total population.) The City has a relatively small number of residents ages 60 and over, however this cohort will increase as the baby boomers continue to age. Table 2.5 shows the age cohort makeup of the City of Piqua. The chart below shows the age cohort makeup of Piqua compared the to region.

Between 1990 and 2000 there were some significant changes in the age cohorts in the City of Piqua. The age cohorts for years 44 and under showed a decrease in total population, while the age cohorts 45 to 59 showed a considerable jump in the total share of the population. Piqua’s aging population will have an impact on public service demands in the coming years.

Age Bracket	City of Piqua
Age Bracket	Percent Change 1990-2000
Under 5 Years	-9.40%
5 to 24	-6.45%
25-44	-2.60%
45-54	28.40%
55-59	14.80%
60-64	3.10%
65-74	-9.00%
75 years and over	21.60%
Source: 2000 U.S. Census